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BIOTECHNOLOGY (227 journals)                  1 2 | Last

Showing 1 - 200 of 227 Journals sorted alphabetically
3 Biotech     Open Access   (Followers: 7)
Advances in Bioscience and Biotechnology     Open Access   (Followers: 14)
Advances in Genetic Engineering & Biotechnology     Hybrid Journal   (Followers: 7)
African Journal of Biotechnology     Open Access   (Followers: 6)
Algal Research     Partially Free   (Followers: 9)
American Journal of Biochemistry and Biotechnology     Open Access   (Followers: 69)
American Journal of Bioinformatics Research     Open Access   (Followers: 8)
American Journal of Polymer Science     Open Access   (Followers: 30)
Animal Biotechnology     Hybrid Journal   (Followers: 9)
Annales des Sciences Agronomiques     Full-text available via subscription  
Applied Biochemistry and Biotechnology     Hybrid Journal   (Followers: 42)
Applied Bioenergy     Open Access  
Applied Biosafety     Hybrid Journal  
Applied Microbiology and Biotechnology     Hybrid Journal   (Followers: 62)
Applied Mycology and Biotechnology     Full-text available via subscription   (Followers: 5)
Arthroplasty Today     Open Access   (Followers: 1)
Artificial Cells, Nanomedicine and Biotechnology     Hybrid Journal   (Followers: 2)
Asia Pacific Biotech News     Hybrid Journal   (Followers: 2)
Asian Journal of Biotechnology     Open Access   (Followers: 8)
Asian Pacific Journal of Tropical Biomedicine     Open Access   (Followers: 2)
Australasian Biotechnology     Full-text available via subscription   (Followers: 1)
Banat's Journal of Biotechnology     Open Access  
BBR : Biochemistry and Biotechnology Reports     Open Access   (Followers: 4)
Bio-Algorithms and Med-Systems     Hybrid Journal   (Followers: 1)
Bio-Research     Full-text available via subscription   (Followers: 2)
Bioactive Materials     Open Access   (Followers: 1)
Biocatalysis and Agricultural Biotechnology     Hybrid Journal   (Followers: 4)
Biocybernetics and Biological Engineering     Full-text available via subscription   (Followers: 5)
Bioethics UPdate     Hybrid Journal  
Biofuels     Hybrid Journal   (Followers: 11)
Biofuels Engineering     Open Access   (Followers: 1)
Biological & Pharmaceutical Bulletin     Full-text available via subscription   (Followers: 5)
Biological Cybernetics     Hybrid Journal   (Followers: 10)
Biomarkers and Genomic Medicine     Open Access   (Followers: 5)
Biomarkers in Drug Development     Partially Free   (Followers: 1)
Biomaterials Research     Open Access   (Followers: 4)
BioMed Research International     Open Access   (Followers: 6)
Biomédica     Open Access  
Biomedical Engineering Research     Open Access   (Followers: 7)
Biomedical glasses     Open Access  
Biomedical Reports     Full-text available via subscription  
BioMedicine     Open Access  
Bioprinting     Hybrid Journal  
Bioresource Technology Reports     Hybrid Journal  
Bioscience, Biotechnology, and Biochemistry     Hybrid Journal   (Followers: 22)
Biosimilars     Open Access   (Followers: 1)
Biosurface and Biotribology     Open Access  
Biotechnic and Histochemistry     Hybrid Journal   (Followers: 2)
BioTechniques : The International Journal of Life Science Methods     Full-text available via subscription   (Followers: 28)
Biotechnologia Acta     Open Access   (Followers: 1)
Biotechnologie, Agronomie, Société et Environnement     Open Access   (Followers: 2)
Biotechnology     Open Access   (Followers: 6)
Biotechnology & Biotechnological Equipment     Open Access   (Followers: 5)
Biotechnology Advances     Hybrid Journal   (Followers: 33)
Biotechnology and Applied Biochemistry     Hybrid Journal   (Followers: 44)
Biotechnology and Bioengineering     Hybrid Journal   (Followers: 160)
Biotechnology and Bioprocess Engineering     Hybrid Journal   (Followers: 6)
Biotechnology and Genetic Engineering Reviews     Hybrid Journal   (Followers: 14)
Biotechnology and Health Sciences     Open Access   (Followers: 1)
Biotechnology and Molecular Biology Reviews     Open Access   (Followers: 1)
Biotechnology Annual Review     Full-text available via subscription   (Followers: 7)
Biotechnology for Biofuels     Open Access   (Followers: 10)
Biotechnology Frontier     Open Access   (Followers: 2)
Biotechnology Journal     Hybrid Journal   (Followers: 15)
Biotechnology Law Report     Hybrid Journal   (Followers: 4)
Biotechnology Letters     Hybrid Journal   (Followers: 33)
Biotechnology Progress     Hybrid Journal   (Followers: 39)
Biotechnology Reports     Open Access  
Biotechnology Research International     Open Access   (Followers: 2)
Biotechnology Techniques     Hybrid Journal   (Followers: 10)
Biotecnología Aplicada     Open Access  
Biotribology     Hybrid Journal  
BMC Biotechnology     Open Access   (Followers: 15)
Chinese Journal of Agricultural Biotechnology     Full-text available via subscription   (Followers: 3)
Communications in Mathematical Biology and Neuroscience     Open Access  
Computational and Structural Biotechnology Journal     Open Access   (Followers: 2)
Computer Methods and Programs in Biomedicine     Hybrid Journal   (Followers: 8)
Contributions to Tobacco Research     Open Access   (Followers: 3)
Copernican Letters     Open Access   (Followers: 1)
Critical Reviews in Biotechnology     Hybrid Journal   (Followers: 20)
Crop Breeding and Applied Biotechnology     Open Access   (Followers: 4)
Current Bionanotechnology     Hybrid Journal  
Current Biotechnology     Hybrid Journal   (Followers: 3)
Current Opinion in Biomedical Engineering     Hybrid Journal   (Followers: 1)
Current Opinion in Biotechnology     Hybrid Journal   (Followers: 55)
Current Pharmaceutical Biotechnology     Hybrid Journal   (Followers: 9)
Current Research in Bioinformatics     Open Access   (Followers: 14)
Current trends in Biotechnology and Pharmacy     Open Access   (Followers: 9)
EBioMedicine     Open Access  
Electronic Journal of Biotechnology     Open Access   (Followers: 1)
Entomologia Generalis     Full-text available via subscription  
Environmental Science : Processes & Impacts     Full-text available via subscription   (Followers: 4)
Experimental Biology and Medicine     Hybrid Journal   (Followers: 3)
Folia Medica Indonesiana     Open Access  
Food Bioscience     Hybrid Journal  
Food Biotechnology     Hybrid Journal   (Followers: 12)
Food Science and Biotechnology     Hybrid Journal   (Followers: 9)
Frontiers in Bioengineering and Biotechnology     Open Access   (Followers: 6)
Frontiers in Systems Biology     Open Access   (Followers: 2)
Fungal Biology and Biotechnology     Open Access   (Followers: 1)
GM Crops and Food: Biotechnology in Agriculture and the Food Chain     Full-text available via subscription   (Followers: 1)
GSTF Journal of BioSciences     Open Access  
HAYATI Journal of Biosciences     Open Access  
Horticulture, Environment, and Biotechnology     Hybrid Journal   (Followers: 11)
IEEE Transactions on Molecular, Biological and Multi-Scale Communications     Hybrid Journal   (Followers: 1)
IET Nanobiotechnology     Hybrid Journal   (Followers: 2)
IIOAB Letters     Open Access  
IN VIVO     Full-text available via subscription   (Followers: 4)
Indian Journal of Biotechnology (IJBT)     Open Access   (Followers: 2)
Indonesia Journal of Biomedical Science     Open Access   (Followers: 1)
Indonesian Journal of Biotechnology     Open Access   (Followers: 1)
Industrial Biotechnology     Hybrid Journal   (Followers: 18)
International Biomechanics     Open Access  
International Journal of Bioinformatics Research and Applications     Hybrid Journal   (Followers: 15)
International Journal of Biomechatronics and Biomedical Robotics     Hybrid Journal   (Followers: 4)
International Journal of Biomedical Research     Open Access   (Followers: 2)
International Journal of Biotechnology     Hybrid Journal   (Followers: 5)
International Journal of Biotechnology and Molecular Biology Research     Open Access   (Followers: 2)
International Journal of Biotechnology for Wellness Industries     Partially Free   (Followers: 1)
International Journal of Environment, Agriculture and Biotechnology     Open Access   (Followers: 5)
International Journal of Functional Informatics and Personalised Medicine     Hybrid Journal   (Followers: 4)
International Journal of Medicine and Biomedical Research     Open Access   (Followers: 1)
International Journal of Nanotechnology and Molecular Computation     Full-text available via subscription   (Followers: 3)
International Journal of Radiation Biology     Hybrid Journal   (Followers: 4)
Iranian Journal of Biotechnology     Open Access  
ISABB Journal of Biotechnology and Bioinformatics     Open Access  
Italian Journal of Food Science     Open Access   (Followers: 1)
Journal of Biometrics & Biostatistics     Open Access   (Followers: 3)
Journal of Bioterrorism & Biodefense     Open Access   (Followers: 6)
Journal of Petroleum & Environmental Biotechnology     Open Access   (Followers: 2)
Journal of Advanced Therapies and Medical Innovation Sciences     Open Access  
Journal of Advances in Biotechnology     Open Access   (Followers: 5)
Journal Of Agrobiotechnology     Open Access  
Journal of Analytical & Bioanalytical Techniques     Open Access   (Followers: 7)
Journal of Animal Science and Biotechnology     Open Access   (Followers: 6)
Journal of Applied Biomedicine     Open Access   (Followers: 3)
Journal of Applied Biotechnology     Open Access   (Followers: 2)
Journal of Applied Biotechnology Reports     Open Access   (Followers: 2)
Journal of Applied Mathematics & Bioinformatics     Open Access   (Followers: 5)
Journal of Biologically Active Products from Nature     Hybrid Journal   (Followers: 1)
Journal of Biomaterials and Nanobiotechnology     Open Access   (Followers: 6)
Journal of Biomedical Photonics & Engineering     Open Access  
Journal of Biomedical Practitioners     Open Access  
Journal of Bioprocess Engineering and Biorefinery     Full-text available via subscription  
Journal of Bioprocessing & Biotechniques     Open Access  
Journal of Biosecurity, Biosafety and Biodefense Law     Hybrid Journal   (Followers: 3)
Journal of Biotechnology     Hybrid Journal   (Followers: 68)
Journal of Chemical and Biological Interfaces     Full-text available via subscription   (Followers: 1)
Journal of Chemical Technology & Biotechnology     Hybrid Journal   (Followers: 10)
Journal of Chitin and Chitosan Science     Full-text available via subscription  
Journal of Colloid Science and Biotechnology     Full-text available via subscription  
Journal of Commercial Biotechnology     Full-text available via subscription   (Followers: 6)
Journal of Crop Science and Biotechnology     Hybrid Journal   (Followers: 7)
Journal of Essential Oil Research     Hybrid Journal   (Followers: 3)
Journal of Experimental Biology     Full-text available via subscription   (Followers: 25)
Journal of Genetic Engineering and Biotechnology     Open Access   (Followers: 5)
Journal of Ginseng Research     Open Access  
Journal of Industrial Microbiology and Biotechnology     Hybrid Journal   (Followers: 16)
Journal of Integrative Bioinformatics     Open Access  
Journal of International Biotechnology Law     Hybrid Journal   (Followers: 3)
Journal of Medical Imaging and Health Informatics     Full-text available via subscription  
Journal of Molecular Microbiology and Biotechnology     Full-text available via subscription   (Followers: 14)
Journal of Nano Education     Full-text available via subscription  
Journal of Nanobiotechnology     Open Access   (Followers: 4)
Journal of Nanofluids     Full-text available via subscription   (Followers: 2)
Journal of Organic and Biomolecular Simulations     Open Access  
Journal of Plant Biochemistry and Biotechnology     Hybrid Journal   (Followers: 6)
Journal of Science and Applications : Biomedicine     Open Access  
Journal of the Mechanical Behavior of Biomedical Materials     Hybrid Journal   (Followers: 11)
Journal of Trace Elements in Medicine and Biology     Hybrid Journal   (Followers: 1)
Journal of Tropical Microbiology and Biotechnology     Full-text available via subscription  
Journal of Yeast and Fungal Research     Open Access   (Followers: 1)
Marine Biotechnology     Hybrid Journal   (Followers: 5)
Messenger     Full-text available via subscription  
Metabolic Engineering Communications     Open Access   (Followers: 4)
Metalloproteinases In Medicine     Open Access  
Microalgae Biotechnology     Open Access   (Followers: 2)
Microbial Biotechnology     Open Access   (Followers: 9)
MicroMedicine     Open Access   (Followers: 3)
Molecular and Cellular Biomedical Sciences     Open Access  
Molecular Biotechnology     Hybrid Journal   (Followers: 16)
Molecular Genetics and Metabolism Reports     Open Access   (Followers: 3)
Nanobiomedicine     Open Access  
Nanobiotechnology     Hybrid Journal   (Followers: 3)
Nanomaterials and Nanotechnology     Open Access  
Nanomaterials and Tissue Regeneration     Open Access  
Nanomedicine and Nanobiology     Full-text available via subscription  
Nanomedicine Research Journal     Open Access  
Nanotechnology Reviews     Hybrid Journal   (Followers: 5)
Nature Biotechnology     Full-text available via subscription   (Followers: 521)
Network Modeling and Analysis in Health Informatics and Bioinformatics     Hybrid Journal   (Followers: 3)
New Biotechnology     Hybrid Journal   (Followers: 4)
Nigerian Journal of Biotechnology     Open Access  
Nova Biotechnologica et Chimica     Open Access  
NPG Asia Materials     Open Access  
npj Biofilms and Microbiomes     Open Access  
OA Biotechnology     Open Access  
Plant Biotechnology Journal     Open Access   (Followers: 10)
Plant Biotechnology Reports     Hybrid Journal   (Followers: 4)
Preparative Biochemistry and Biotechnology     Hybrid Journal   (Followers: 4)

        1 2 | Last

Journal Cover Entomologia Generalis
  [SJR: 0.133]   [H-I: 17]   [0 followers]  Follow
   Full-text available via subscription Subscription journal
   ISSN (Print) 0171-8177
   Published by Schweizerbart Science Publishers Homepage  [20 journals]
  • Resource partitioning between closely related carrion beetles:
           Thanatophilus sinuatus (F.) and Thanatophilus rugosus (L.) (Coleoptera:
    • Abstract: Resource partitioning between closely related carrion beetles: Thanatophilus sinuatus (F.) and Thanatophilus rugosus (L.) (Coleoptera: Silphidae)Frątczak-Łagiewska, Katarzyna; Matuszewskia, Szymon
      Entomologia Generalis, (2018), p. - Two closely related beetle species Thanatophilus sinuatus and Thanatophilus rugosus (Silphidae: Silphinae) were studied with regard to seasonality, carcass colonization time, habitat and carcass size preferences based on the analyses of presence and abundance of third instar larvae on exposed pig carcasses. Presence of T. rugosus larvae was recorded only to mid-June whereas larvae of T. sinuatus were collected up to August. The species revealed no differences in pattern of carcass colonization. T. sinuatus was found to breed mostly in open and sunlit areas contrary to T. rugosus which was collected mainly in alder forest. A significant linear increase in larval abundance with an increase in carcass mass was found in the case of T. sinuatus. No such relationship was found in the case of T. rugosus. Current results demonstrate that habitat type and seasonality are factors which separate T. sinuatus and T. rugosus.
      PubDate: Thu, 01 Feb 2018 00:00:00 +000
  • First records of the fall armyworm, Spodoptera frugiperda (Lepidoptera:
           Noctuidae), in Senegal
    • Abstract: First records of the fall armyworm, Spodoptera frugiperda (Lepidoptera: Noctuidae), in SenegalBrévault, Thierry; Ndiaye, Awa; Badiane, Djibril; Bal, Amadou Bocar; Sembène, Mbacké; Silvie, Pierre; Haran, Julien
      Entomologia Generalis, (2018), p. - The fall armyworm, Spodoptera frugiperda, is a serious invasive pest of the family Noctuidae (Lepidoptera) and given its broad host range, has the potential to cause severe yield losses in many economically important crops, especially maize. Native to tropical and subtropical regions of the Americas, the pest was first detected in Africa (Nigeria) in January 2016. Here, we report the first records of this invasive pest in the westernmost part of West Africa (Senegal) where both ‘rice’ and ‘maize’ moth strains were identified. The species was unambiguously identified based on morphological traits and molecular analyses. Implications of this new threat to crop production and solutions for sustainable management are discussed.
      PubDate: Thu, 01 Feb 2018 00:00:00 +000
  • Impact of nitrogen and potassium fertilization regimes on the biology of
           the tomato leaf miner Tuta absoluta
    • Abstract: Impact of nitrogen and potassium fertilization regimes on the biology of the tomato leaf miner Tuta absolutaBlazhevski, Simon; Kalaitzaki, Argyro P.; Tsagkarakis, Antonios E.
      Entomologia Generalis, (2018), p. - The tomato leaf miner, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae), one one of the most important lepidopteran pests of tomato (Solanum lycopersicum L.), was first introduced from South America into Spain in 2006. It has spread rapidly throughout the Mediterranean Basin, now threatens glasshouse production in Northern Europe. It is known that plant nutrient inputs may trigger bottom-up effects the performance of insect herbivores that feed on the plants. In this study, tomato plants fertilized with varying levels of nitrogen (N) and potassium (K) were used to study the effects of fertilization on the developmental rate, survival, reproduction and intrinsic rate of increase of T. absoluta. We found that T. absoluta that developed on tomato leaves from the plants treated with “high N – high K” as well as “high N – low K” had a significantly shorter development time and laid more eggs. Similarly, T. absoluta that fed on the leaves with high N – high K fertilization had a higher intrinsic rate of increase and net reproductive rate, and lower mean generation time and population doubling time. Varying K input did not affect all the biological traits of T. absoluta. Moreover, varying N-K treatments did not affect the adult longevity, preoviposition period and oviposition period. This information may be helpful to predict the population dynamics of T. absoluta and to slow its development by fertilization manipulation. Our current findings, combined with biological control, host plant resistance and other cultural practices, may be useful for Integrated Pest Management (IPM) programs against this pest.
      PubDate: Thu, 01 Feb 2018 00:00:00 +000
  • Editorial – A new era for Entomologia Generalis
    • Abstract: Editorial – A new era for Entomologia GeneralisDesneux, Nicolas; Biondi, Antonio
      Entomologia Generalis, (2017), p. 1 - 5 Entomologia Generalis is an international journal publishing high quality research articles for almost four decades on advances in basic and applied entomology. The journal, initially named Entomologia Germanica (Gustav Fischer Verlag), was founded in 1978 by Prof. Wilhelm Steffan. With volume five the former name was changed to Entomologia Generalis. From 1983 to 2013 the journal was published by E. Schweizerbart’sche Verlagsbuchhandlung, under the ownership and editorship of Prof. W. Steffan. In 2013, at the age of 80, Prof. W. Steffan decided to hand over the journal to Schweizerbart and Prof. Hannes Paulus took over as interim Editor-in-Chief. The importance of the journal has been growing throughout its history, and is currently indexed in main key international scientific databases.
      Since 1997 it is indexed in the Web of Science database under the subject category of Entomology. This was achieved by the journal’s editors, who served with crucial commitment and passion for entomological science. In 2016, the journal started writing a new page to the story, with Prof. H. Paulus and associate editors stepping down from their editor positions and the editorial board being entirely renewed on the impulse of Dr. Nicolas Desneux, the newly appointed Editor-in-Chief. The new editorial team deeply acknowledges the accomplishments of the previous boards over the past decades, which undoubtedly contributed to establishing the journal’s worldwide reputation in general and applied entomology. All new editors sincerely thank the previous editorial teams for the work carried out and the achievements reached so far.
      As of 2018, the new Entomologia Generalis editorial team is composed of the Editor-in-Chief and a board of more than twenty Associate Editors (http://www. ) who are world top experts in key research fields of importance in entomological science and arthropod ecology, such as parasitoid and predator ecology, classical, inundative, and conservation biological control, ecotoxicology and notably side effects of toxicants on arthropods, bee ecology, transgenic crops, invasive species, multi-trophic interactions, chemicalecology and integrated pest management. The new editorial team has a renewed interested to publish novel, original research articles as well as key review articles that meet the main challenge of being of broad interest to the Entomologia Generalis readership rather than being too specific on narrow topics. New articles should provide relevant insights that go beyond the study system considered. Therefore, studies should be hypothesis-driven and they should aim at including new concepts rather than testing simple factors.
      Entomologia Generalis invites the submission of high quality papers that advance the knowledge of the ecology and biology of arthropods (e.g. Desneux et al. 2012, Wiman et al. 2015, Hamby et al. 2016), and on their importance for key ecosystems services, e.g. biological control and pollination (Wratten et al. 2012, Garibaldi et al. 2013, Perovic et al. 2018). Studies providing key insights into multi-trophic interactions, and more broadly food webs, are also highly welcome (Ings et al. 2009, Haddad et al. 2011, Jaworski et al. 2015, Sobhy et al. 2015). Moreover, the journal will devote special attention to contributions providing significant advances (i) of the fundamental knowledge and in sustainable control strategies of arthropod pests, including those affecting stored products (Phillips & Throne 2010), urban pests (Rust & Su 2012) and vectors of diseases (Grafton-Carwell et al. 2013, Benelli 2015, Benelli & Romano 2017), (ii) on the biology and ecology of beneficial arthropods (Pekas et al. 2016, Benelli et al. 2017), (iii) on the spread, impact and management of invasive pests (Asplen et al. 2015, Sylla et al. 2017, Biondi et al. 2018), and (iv) on potential side effects of pest management methods (Desneux et al. 2007, Biondi et al. 2012, Di Prisco et al. 2013, Sanchez-Bayo 2014). Pest sustainable management strategies that include the use of non-chemical control tools, such as pheromones, agronomic practices, bioinsecticides, etc. (Witzgall et al. 2010, Pavela & Benelli 2016, Fekri et al. 2016, Haye et al. 2016, Isman 2017), as well as the characterization of pesticide resistances in pests (Silva et al. 2011, Tabashinik et al. 2013) are welcome, where they provide major advance in the field. Finally, wide scale field studies (both in space and time) on pest management practices, and their agronomic and environmental outcomes (Lu et al. 2012, Sjöberg et al. 2015) will be also considered a priority for publication in Entomologia Generalis.

      Authors should prepare their manuscripts carefully following the new guidelines for authors ( Submissions not prepared according to these instructions will be returned to authors without review. Another major reason for early manuscript rejection will be poor writing style and/or English language. In many cases, manuscripts submitted to scientific journals present grammatical...
      PubDate: Fri, 01 Dec 2017 00:00:00 +000
  • Hail nets enhance disruption of sexual communication by synthetic
           pheromone in codling moth
    • Abstract: Hail nets enhance disruption of sexual communication by synthetic pheromone in codling mothIoriatti, Claudio; Tasin, Marco
      Entomologia Generalis, (2017), p. 7 - 18 We hypothesized that polyethylene anti-hail nets interact with synthetic pheromone in disrupting the sexual communication of codling moth Cydia pomonella L. We tested this hypothesis through the release and recapture of m ales in field cages. This set-up allowed normalisation of the male population during the treatments. The effect of the net was also estimated through recording additional parameters such as wind speed, temperature within the canopy, and pheromone emissions from mating disruption dispensers. The experiments were carried out in orchards with or without hail nets, and with or without pheromone disruption treatment.In the release and recapture assay the hail net significantly decreased the success of sexual communication in association with the mating disruption treatment. In plots without synthetic pheromone, the net did not affect communication between the sexes. Both wind speed and canopy temperatures were mitigated by the presence of the net. Pheromone emissions from disruption dispensers did not differ for covered and uncovered plots. The increase in communication disruption with the hail net is of practical interest and opens up possibilities for extending the use of mating disruption to orchards where climatic or topographic features currently limit the efficacy of this sustainable method.
      PubDate: Fri, 01 Dec 2017 00:00:00 +000
  • Impact of imidacloprid and natural enemies on cereal aphids: Integration
           or ecosystem service disruption'
    • Abstract: Impact of imidacloprid and natural enemies on cereal aphids: Integration or ecosystem service disruption?Mohammed, Abd Allah A. H.; Desneux, Nicolas; Fan, Yinjun; Han, Peng; Ali, Abid; Song, Dunlun; Gao, Xi-Wu
      Entomologia Generalis, (2017), p. 47 - 61 Wheat is a major crop and plays a significant role in food security in China. Cereal aphids Rhopalosiphum padi L. and Sitobion avenae Fab. are widespread worldwide and considered as serious pests in the winter wheat belt of North China. Natural enemies are well known for their ability to control aphid species in a wide range of cropping systems. Imidacloprid is one of the most widely used insecticides for the management of cereal aphids. Nevertheless, insecticides are harmful to the environment and disrupt the biological services. A full understanding on the effects of insecticides, natural enemies and their interactions on the cereal aphids in the complex agroecosystem is quite crucial. Field studies were conducted in the two consecutive seasons 2014/2015 and 2015/2016 to address this question using exclusion cage techniques. Our data demonstrated strong effects of natural enemies, application of pesticide as well as their interactions on the population densities and growth rates of cereal aphids (R. padi and S. avenae) in the wheat field. The instantaneous rate of population growth of R. padi and S. avenae strongly declined by the application of imidacloprid, nevertheless, the parasitism rate was also significantly affected. We conclude that imidacloprid insecticide is still effective in suppressing cereal aphid populations in winter wheat fields of North China throughout the growing season, however, the negative impact on the biological control services needs to be considered with caution.
      PubDate: Fri, 01 Dec 2017 00:00:00 +000
  • The potential invasion risk and preventive measures against the tomato
           leafminer Tuta absoluta in China
    • Abstract: The potential invasion risk and preventive measures against the tomato leafminer Tuta absoluta in ChinaXian, Xiaoqing; Han, Peng; Wang, Su; Zhang, Guifen; Liu, Wanxue; Desneux, Nicolas; Wan, Fanghao
      Entomologia Generalis, (2017), p. 319 - 333 The tomato leafminer, Tuta absoluta, a serious pest threatening the tomato industry in South America, Africa, Europe and Central-West Asia, now has recently invaded the neighboring countries of Northwest and Southwest China. With the increasing international trade in agriculture products, T. absoluta presents a potential threat to Chinese tomato and potato industry. In order to effectively prevent the introduction of T. absoluta and strengthen the alertness of plant quarantine staff and agricultural researchers against this pest in China, we evaluated its potential introduction pathway, host plant species and climate suitability, and also reviewed the monitoring measures being carried out in China. Finally, potential integrated pest management strategy for T. absoluta in China was proposed based on the management experience of T. absoluta in the origin and invaded countries. This will assist Chinese policy-makers to improve current surveillance, phytosanitary measures as well as future management strategies for T. absoluta.
      PubDate: Wed, 01 Nov 2017 00:00:00 +000
  • Widespread resistance of the aphid Myzus persicae to pirimicarb across
           China, and insights on ace2 mutation frequency in this species
    • Abstract: Widespread resistance of the aphid Myzus persicae to pirimicarb across China, and insights on ace2 mutation frequency in this speciesXiaolan, Liu; Qiuling, Tang; Yongdan, Li; Mateus R, Campos; Pei, Liang; Xiwu, Gao
      Entomologia Generalis, (2017), p. 285 - 299 Modified acetylcholinesterase (AChE) phenotype (MACE) caused by a mutation in the ACHE gene (ace2) leading to pirimicarb resistance in Myzus persicae (Sulzer) has been reported worldwide. Pirimicarb resistance levels and AChE susceptibility to this insecticide were investigated in 19 field populations collected in six provinces of China, in compared to a susceptible laboratory population, five of the 19 field populations were susceptible to pirimicarb with resistance factors (RF) < 5, whereas the other 14 populations were found to be resistant to pirimicarb (RF ranging from 16.3 to 101.9). The residual activity of AChE after exposure to pirimicarb varied significantly from 10.7% to 91.4% among these populations, three of them exhibited extremely low AChE sensitivity to the pirimicarb. In addition, residual AChE activity was positively correlated with increased resisitance to pirimicarb. Nine populations showing a wide range of RF values were selected to investigate S431F mutation frequency in ace2. The mutation frequencies in these populations were all > 85%. The RF values of the populations were positively correlated with the recorded frequencies of S431F mutation. These results demonstrate that MACE is strongly involved in the resistance to pirimicarb observed in populations of M. persicae in China.
      PubDate: Wed, 01 Nov 2017 00:00:00 +000
  • Effect of the endosymbiont Regiella insecticola on an aphid parasitoid
    • Abstract: Effect of the endosymbiont Regiella insecticola on an aphid parasitoidLuo, Chen; Monticelli, Lucie; Meng, Linqin; Li, Dandan; Fan, Jinyang; Zhao, Huiyan; Hu, Zuqing
      Entomologia Generalis, (2017), p. 300 - 307 The importance of secondary endosymbionts on the resistance to parasitoids is increasingly recognized. Compared with Hamiltonella defensa, our understanding of the role of Regiella insecticola in protecting hosts against parasitic wasps is not well documented. In this study, we conducted experiments to determine whether R. insecticola in Sitobion avenae (the English grain aphid) could confer resistance to a parasitoid, Aphelinus asychis Walker, a major natural enemy in aphid field populations. With the genetic background controlled using clones, our results showed that infected aphids were more likely to be parasitized by A. asychis. However, compared with the uninfected controls, the weight of emerged wasps within 24 hours was significantly lower from infected aphids, suggesting that R. insecticola negatively affected the growth of the developing parasitoid larvae, although no difference in emergence rate between the treatments and the control was detected. These results will help to increase understanding of the dynamics of host-parasite-symbiont interactions.
      PubDate: Wed, 01 Nov 2017 00:00:00 +000
  • Mosquito vectors of Zika virus
    • Abstract: Mosquito vectors of Zika virusBenelli, Giovanni; Romano, Donato
      Entomologia Generalis, (2017), p. 309 - 318 The recent Zika virus outbreaks have been recognized as “Public Health Emergency of International Concern” by WHO. In this review, we summarized current knowledge about Zika virus vector competence in mosquitoes. Aedes africanus was the first species where Zika virus was isolated. Currently, Aedes aegypti and Aedes albopictus are reported as the main species with Zika virus vector competence by many researches. Recently, laboratory experiments showed the vector competence for Zika virus of two new mosquitoes species: Aedes hensilli (23% of infected mosquitoes transmitted Zika virus), and Aedes vexans (5% of infected mosquitoes transmitted Zika virus). Furthermore, Zika virus has been isolated in several species of the genus Aedes, as well as in Mansonia uniformis, Culex perfuscus and Anopheles coustani, but the vector competence of these species was not evaluated in laboratory experiments. Culex quinquefasciatus was found both competent and non-competent vector in studies from different research groups. Overall, the findings summarized in this review showed that Zika virus can be transmitted mainly by Aedes mosquito species, highlighting the pivotal role of effective and eco-friendly control strategies against mosquito vectors, which should always rely to the criteria of Integrated Vector Management, avoiding conventional single-intervention approaches.
      PubDate: Wed, 01 Nov 2017 00:00:00 +000
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