46 downloads
473 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
67 downloads
336 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
29 downloads
169 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...

["Entomology","Toxicology"]
doi:10.7717/peerj.3292
112 downloads
698 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
51 downloads
235 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
69 downloads
432 views

The use of biological control agents to control pests is an alternative to pesticides and a tool to manage invasive alien species. However, biocontrol agents can themselves become invasive species under certain conditions. The harlequin ladybird (Harmonia axyridis)...

["Biodiversity","Conservation Biology","Ecology","Entomology","Environmental Sciences"]
doi:10.7717/peerj.3296
21 downloads
170 views

Background: Managed, feral and wild populations of European honey bee subspecies, Apis mellifera, are currently facing severe colony losses globally. There is consensus that the ectoparasite mite Varroa destructor, that switched hosts from the Eastern honey bee...

["Ecology","Entomology","Evolutionary Studies","Parasitology","Zoology"]
doi:10.7287/peerj.preprints.2976v1
41 downloads
283 views

Seasonality impacts species distributions through changes of the environmental conditions that affect the presence of individuals at a given place. Although the dynamics of cave microclimates are well known, only a few studies have evaluated the effects of such...

["Biodiversity","Ecology","Entomology","Zoology"]
doi:10.7717/peerj.3169
69 downloads
389 views

Phytochemicals produced by plants, including at flowers, function in protection against plant diseases, and have a long history of use against trypanosomatid infection. Floral nectar and pollen, the sole food sources for many species of insect pollinators, contain...

["Ecology","Entomology","Parasitology","Plant Science","Infectious Diseases"]
doi:10.7717/peerj.3297
64 downloads
306 views

Symbiotic bacteria are common in insects and can affect various aspects of their hosts’ biology. Although the effects of insect symbionts have been clarified for various insect symbiosis models, due to the difficulty of cultivating them in vitro, there is still...

["Cell Biology","Entomology","Microbiology","Molecular Biology"]
doi:10.7717/peerj.3291
21 downloads
147 views

Hydrocarbons are the principal component of insects 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:10.7287/peerj.preprints.2967v1
32 downloads
133 views

The use of multiple sampling areas in landscape genetic analysis has been recognized as a useful way to generalize the patterns of environmental effects on gene flow. It allows reducing the variability of inference, accounting for multiple scales and locations...

["Entomology","Environmental Sciences","Molecular Biology"]
doi:10.7287/peerj.preprints.2968v1
31 downloads
240 views

Background Melolonthinae beetles, comprising different white grub species, are a globally-distributed pest group. Their larvae feed on roots of several crop and forestry species, and adults can cause severe defoliation. In New Zealand, the endemic scarab pest Costelytra...

["Animal Behavior","Ecology","Entomology","Zoology"]
doi:10.7717/peerj.3213
126 downloads
627 views

Grape sour (bunch) rot is a polymicrobial disease of vineyards that causes millions of dollars in lost revenue per year due to decreased quality of grapes and resultant wine. The disease is associated with damaged berries infected with a community of acetic acid...

["Agricultural Science","Ecology","Entomology","Microbiology","Mycology"]
doi:10.7717/peerj.3223
127 downloads
944 views

Given the rapid population decline and recent petition for listing of the monarch butterfly (Danaus plexippus L.) under the Endangered Species Act, an accurate estimate of the Eastern, migratory population size is needed. Because of difficulty in counting individual...

["Conservation Biology","Ecology","Entomology","Mathematical Biology"]
doi:10.7717/peerj.3221

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