Results 161 to 170 of about 93,193 (345)
Agricultural cover was positively associated with fluctuating asymmetry in Trypoxylon opacum, suggesting a possible increase in developmental instability in intensively managed landscapes. Wing size was positively related to forest cover and negatively related to agricultural cover, indicating that forested landscapes may promote larger body size ...
Luana Vieira Carlin dos Santos +3 more
wiley +1 more source
Climate Change Can Generate Enemy-Free Space for Crop-Feeding Herbivores. [PDF]
Magnitude and direction of change in parasitoid pressure for 14 agricultural pests subject to climate‐driven distributional shifts. Pests are organized per increasing parasitoid pressure under current climatic conditions (X axis). Bubble size is reflective of the (absolute) area affected by a given pest under a given scenario.
Wyckhuys KAG +5 more
europepmc +2 more sources
Cost of parasite exposure depends on host ontogeny 寄生接觸的代價依賴於宿主發育階段
The cost of parasite exposure varies across host developmental stages, demonstrating that ontogeny influences the expression of non‐consumptive effects (NCEs). Mite exposure resulted in consumptive effects in fly eggs and NCEs in early‐stage pupae; mite longevity was comparable when provisioned with pupae or water but increased when provisioned with ...
Lisa R. MacLeod +2 more
wiley +1 more source
Host plant richness and abundance drive populations of a super‐generalist xylem‐feeding insect
Philaenus spumarius abundance was assessed across 93 sites and four habitat types (olive groves, vineyards, meadows, and field margins) within eight heterogeneous agricultural landscapes over the year. In spring, nymph abundance was positively associated with herbaceous plant species richness and vegetation cover, highlighting that even super ...
Francesco Sanna +3 more
wiley +1 more source
Hamiltonella defensa infection increases honeydew production in certain aphid genotypes, potentially modifying aphid feeding behaviour. Parasitoid wasps, Aphidius ervi, are more attracted to honeydew from H. defensa‐infected aphids; though larger honeydew amounts may slightly deter searching.
Desiré Macheda +5 more
wiley +1 more source
Floral resource strips within apple orchards increased parasitoid abundance and influenced community composition, enhancing local biodiversity in the Kogelberg Biosphere Reserve's transition zone. Ruderal and natural fynbos habitats supported higher parasitoid richness and abundance, emphasising the importance of conserving semi‐natural habitats ...
Fabrizia Ratto +7 more
wiley +1 more source
In a given number of samples, grassland sward islets contain more species of arthropods than the surrounding sward. When corrected for abundance, there is no difference in species richness, suggesting that the effect of islets might purely be to concentrate arthropods. The community structure differences indicated by non‐metric multidimensional scaling
Alvin J. Helden +2 more
wiley +1 more source
A protracted phenology: Post‐diapause larval development of a threatened butterfly
Larval survival during diapause was high; hibernaculum webs were mostly located near Succisa pratensis plants, which often retained vital leaves through winter. Post‐diapause developmental time varied strongly depending on exposure to different microclimates, being reduced by litter cover, solar radiation and a higher heat load index.
Gwydion Scherer, Thomas Fartmann
wiley +1 more source
Duplication of vas genes is universally observed in aphids, and phylogenetic analysis indicates that this event predates the divergence of Aphididae and Phylloxeridae. Ap‐vas1 is germline‐specific, whereas Ap‐vas2–4 exhibit somatic expression, indicating functional divergence during aphid embryogenesis.
Gee‐Way Lin +4 more
wiley +1 more source

