Peer-reviewed Articles - Biology

384 downloads
187 views

Hydrocarbons are the principal component of insect cuticle and play an important role in maintaining water balance. Cuticular impermeability could be an adaptative response to salinity and desiccation in aquatic insects; however, cuticular hydrocarbons have been...

["Ecology","Entomology"]
doi:10.7717/peerj.3562
49 downloads
286 views

Background Parasitoids are frequently used in biological control due to the fact that they are considered host specific and highly efficient at attacking their hosts. As they spend a significant part of their life cycle within their hosts, feeding habits and life...

["Agricultural Science","Ecology","Entomology"]
doi:10.7717/peerj.3559
30 downloads
363 views

Trichocorixa verticalis (T. verticalis), native to North America and the Caribbean islands, is an invasive waterboatman species (Corixidae) in the southwest of the Iberian Peninsula. Previous studies in the native range have suggested that predation by T. verticalis...

["Animal Behavior","Aquaculture, Fisheries and Fish Science","Conservation Biology","Entomology","Marine Biology"]
doi:10.7717/peerj.3554
38 downloads
311 views

Trichogramma wasps are tiny parasitoids of lepidopteran eggs, used extensively for biological control. They are often infected with the bacterial symbiont Wolbachia, which converts Trichogramma to an asexual mode of reproduction, whereby females develop from unfertilized...

["Ecology","Entomology","Evolutionary Studies","Microbiology"]
doi:10.7717/peerj.3505
71 downloads
416 views

The colour patterns and morphological peculiarities of the hindwings of several butterfly species result in the appearance of a head at the rear end of the insect’s body. Although some experimental evidence supports the hypothesis that the “false head” deflects...

["Animal Behavior","Ecology","Entomology","Evolutionary Studies","Zoology"]
doi:10.7717/peerj.3493
133 downloads
855 views

There is widespread concern regarding the effects of agro-chemical exposure on bee health, of which neonicotinoids, systemic insecticides detected in the pollen and nectar of both crops and wildflowers, have been the most strongly debated. The majority of studies...

["Ecology","Entomology","Environmental Sciences","Toxicology","Zoology"]
doi:10.7717/peerj.3417
42 downloads
249 views

Winter mortality is a major factor regulating population size of the mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Curculionidae). Glycerol is the major cryoprotectant in this freeze intolerant insect. We report findings from a gene expression...

["Ecology","Entomology","Molecular Biology","Zoology"]
doi:10.7717/peerj.3284
95 downloads
407 views

The instructive component of waggle dance communication has been shown to increase resource uptake of Apis mellifera colonies in highly heterogeneous resource environments, but an assessment of its relevance in temperate landscapes with different levels of resource...

["Animal Behavior","Ecology","Entomology","Natural Resource Management","Zoology"]
doi:10.7717/peerj.3441
79 downloads
670 views

Background British mosquito population distribution, abundance, species composition and potential for mosquito disease transmission are intimately linked to the physical environment. The presence of ponds and water storage can significantly increase the density...

["Ecology","Entomology"]
doi:10.7717/peerj.3361
240 downloads
1,310 views

The early fossil record of insects is scarce, with only few finds in the Devonian. All these finds appear problematic and controversial, partly due to incomplete preservation and challenging interpretation of many structures. We provide details of one of these...

["Entomology","Paleontology","Zoology"]
doi:10.7717/peerj.3402
103 downloads
666 views

Background Bumblebees (Hymenoptera: Apidae: Bombus) are well known for their important inter- and intra-specific variation in hair (or pubescence) color patterns, but the chemical nature of the pigments associated with these patterns is not fully understood. For...

["Biochemistry","Entomology","Evolutionary Studies","Zoology"]
doi:10.7717/peerj.3300
123 downloads
511 views

The insect exoskeleton is a multifunctional coat with a continuum of mechanical and structural properties constituting the barrier between electromagnetic waves and the internal body parts. This paper examines the ability of beetle exoskeleton to regulate internal...

["Entomology","Zoology"]
doi:10.7717/peerj.3349
49 downloads
249 views

DEET and IR3535 are insect repellents present worldwide in commercial products; their efficacy has been mainly evaluated in mosquitoes. This study compares the toxicological effects and the behavioral responses induced by both repellents on the blood-sucking bug...

["Biosphere Interactions","Ecotoxicology","Entomology","Toxicology"]
doi:10.7717/peerj.3292
162 downloads
956 views

One new genus and three new species of Lygistorrhinidae in early Eocene Cambay amber from India are described, which significantly increases our knowledge about this group in the Eocene. Lygistorrhina indica n. sp. is the oldest fossil known from this extant genus....

["Entomology","Paleontology"]
doi:10.7717/peerj.3313
82 downloads
326 views

Several phases of herbivorous insect attack including feeding and oviposition are known to induce plant defenses. Plants emit volatiles induced by herbivores to recruit insect parasitoids as an indirect defense strategy. So far, volatiles induced by herbivore walking...

["Entomology","Plant Science"]
doi:10.7717/peerj.3326

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