Hormones play an important role in the regulation of physiological, developmental and behavioural processes. Many of these mechanisms in insects, however, are still not well understood. One way to investigate hormonal regulation is to analyse gene expression patterns...

["Entomology","Genetics","Molecular Biology"]
doi:10.7287/peerj.preprints.3104v1
4 downloads
49 views

Recently, a novel phenomenon of horizontal gene transfer of helicase-encoding sequence from positive-stranded RNA viruses to LINE transposons in insect genomes was described. TRAS family transposons encoding an ORF2 protein, which comprised all typical functional...

["Entomology","Genomics","Molecular Biology","Virology"]
doi:10.7287/peerj.preprints.3101v1
12 downloads
93 views

Plant resistance against insect herbivory has greatly focused on antibiosis, whereby the plant has a deleterious effect on the herbivore, and antixenosis, whereby the plant is able to direct the herbivore away from it. Although these two types of resistance may...

["Agricultural Science","Entomology","Plant Science"]
doi:10.7287/peerj.preprints.3099v1
497 downloads
199 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
20 downloads
83 views

Leishmaniasis represents an important public health problem in Brazil. The continuous process of urbanization and expansion of human activities in forest areas impacts natural habitats, modifying the ecology of some species of Leishmania, as well as its vectors...

["Biodiversity","Ecology","Entomology","Epidemiology"]
doi:10.7287/peerj.preprints.3083v1
72 downloads
287 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
365 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
13 downloads
110 views

Discarded vehicle tire casings are an important artificial habitat for the developmental stages of numerous vector mosquitoes. Discarded vehicle tires degrade under ultraviolet light and leach numerous soluble metals (e.g., barium, cadmium, zinc) and organic substances...

["Ecology","Entomology","Toxicology"]
doi:10.7287/peerj.preprints.3065v1
9 downloads
124 views

Background. Cryptotympana atrata and Hyalessa fuscata are the most abundant cicada species in the Korean Peninsula, where their population densities are higher in urban areas than in rural ones. The urban heat island (UHI) effect, wherein human activities cause...

["Ecology","Entomology"]
doi:10.7287/peerj.preprints.3064v1
46 downloads
237 views

Texas is the second largest state in the United States of America, and the largest state in the contiguous USA at nearly 700,000 sq. km. Several Texas bumble bee species have shown evidence of declines in portions of their continental ranges, and conservation initiatives...

["Ecology","Ecosystem Science","Entomology","Environmental Sciences"]
doi:10.7287/peerj.preprints.2932v2
39 downloads
312 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
72 downloads
421 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
40 downloads
68 views

Anthropogenic pressures on aquatic systems have placed a renewed focus on biodiversity of aquatic macroinvertebrates. By combining classical taxonomy and DNA barcoding we identified 39 species of caddisflies from the Crooked River, a unique and sensitive system...

["Biogeography","Ecosystem Science","Entomology","Taxonomy","Zoology"]
doi:10.7287/peerj.preprints.3034v1
33 downloads
95 views

The polyphagous shot hole borer and Kuroshio shot hole borer, two members of the Euwallacea fornicatus species complex (Coleoptera: Curculionidae: Scolytinae), are invasive ambrosia beetles that harbor distinct species of Fusarium fungal symbionts. Together with...

["Agricultural Science","Animal Behavior","Entomology"]
doi:10.7287/peerj.preprints.3032v1
136 downloads
862 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

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