Results 31 to 40 of about 510 (152)
This document is EENY-268, one of a series of Featured Creatures from the Entomology and Nematology Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Published: March 2002. EENY-268/
John Howard Frank, Andrei Sourakov
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Digger wasps of the genus Hoplisoides Gribodo (Hymenoptera, Crabronidae, Bembicinae) from the Palaearctic region, with description of two new species [PDF]
The Palaearctic species of the digger wasps genus Hoplisoides Gribodo, 1884 (Hymenoptera: Crabronidae: Bembicinae) are reviewed, and a key to both sexes is given. Two new species are described and illustrated: Hoplisoides flavescens Mokrousov, sp.
Mikhail V. Mokrousov +2 more
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Addendum and corrections to a synonymic catalog of Neotropical Crabronidae and Sphecidae
Errors and omissions found in "A synonymic catalog of the Neotropical Crabronidae and Sphecidae" (Amarante, 2002) are corrected. Substitute names for junior homonyms are proposed, Cerceris cisplatina new name for Cerceris dichroa Brethes, 1909 non Dalla ...
Sérvio Túlio Pires Amarante
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This study demonstrates the ecological value of natural regeneration in the Brazilian Cerrado by analysing the biomass, richness and trophic structure of leaf litter insects across pasture (P), regenerating (R) and native (N) areas. We found that R areas supported insect communities more similar to N habitats than to Ps, with higher richness, greater ...
Thalita Moraes Miranda Ribeiro de Souza +1 more
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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
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This article presents the results of scientific research conducted in 2021–2023 on the study of digger wasps belonging to the Sphecidae, Crabronidae family in different regions of Uzbekistan, as well as the results of the study of literature sources ...
Makhsetbay Zh. Medetov +5 more
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Forest cover significantly influences the wing shape of female Trypoxylon lactitarse. Females exhibit longer and narrower wings, linked to greater flight efficiency and dispersal. Sexual dimorphism indicates that females respond differently to ecological pressures, underscoring the role of forest cover in species persistence.
Alexsandra de Lima Klates +3 more
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Effects of flower patch additions and urbanisation on cavity‐nesting bees and wasps
Urbanisation can negatively affect cavity‐nesting bees and wasps, yet common conservation interventions such as flower patches and artificial nests lack strong empirical support. In a 2‐year experiment across urban allotments spanning an urbanisation gradient, we found no effect of added floral resources on nest uptake, while hymenopteran abundance ...
Emilie E. Ellis +2 more
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Abstract Premise Polyploidy is key to plant evolution by contributing to speciation, diversification, and adaptability. However, the minority cytotype exclusion effect can limit the persistence of polyploids, which can be mitigated by reproductive barriers such as distinct insect visitation between cytotypes. In eastern Spain, the diploid C.
Alfonso Garmendia +3 more
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Se registran por primera vez para Panamá los siguientes géneros y especies de avispas: Bohartella scapheutoides Menke, 1968 (Crabronidae), un espécimen colectado en Veraguas, Cañazas; Mellinus alpestris Cameron, 1890 (Crabronidae), dos especímenes ...
Roberto A. Cambra T, Alonso Santos M.
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