Results 121 to 130 of about 17,857 (273)
Sex-biased parental care and sexual size dimorphism in a provisioning arthropod [PDF]
The diverse selection pressures driving the evolution of sexual size dimorphism (SSD) have long been debated. While the balance between fecundity selection and sexual selection has received much attention, explanations based on sex-specific ecology have ...
A Herrel+87 more
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Ecological impact and population status of non-native bees in a Brazilian urban environment
The introduction of species is an important global threat to native ecosystems and yet little is known about invasion risks of non-native bees. Moreover, urbanization is increasing rapidly around the world with impact on the bee fauna.
Letícia Vanessa Graf+2 more
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Revisión del género de abejas Ceratina, subgénero Rhysoceratina (Hymenoptera, Apidae, Xylocopinae) [PDF]
El subgénero Rhysoceratina de Ceratina está restringido a América del Sur, con especies conocidas de Argentina, Brasil, Colombia, Paraguay y Uruguay. Se reconocen nueve especies, de la cuales cuatro se describen como nuevas: C. canaliculata, C.
Roig Alsina, Arturo Hernan
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RESUMEN Presentamos información sobre los hábitos de nidificación de la abeja carpintera Xylocopa (Neoxylocopa) lachnea en la cordillera Oriental de Colombia.
MARGARITA GONZALES, YURANNY CUELLAR
doaj
Contribution to bee fauna (Hymenoptera, Apoidea) of Poland. IV [PDF]
Hyleus lepidulus Cockerell and Eucera pollinosa Smith (= E. polonica Ruszkowski, syn. nov.) are recorded for the first time from Poland. New records of further 5 rare species are given.Zadanie pt.
Banaszak, Józef
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Notes on Cocoons and Parasites of Melissodes Obliqua and Nests of Perdita Opuntiae (Hymenoptera-Apoidea) [PDF]
Clarence P. Custer
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Revision of the genus Eutyglossina Cockerell (Apoidea : Colletidae)
The genus Euryglossina Cockerell, 1910, is revised. Fifty species are recognized including the following 27 species described as new : E. kellyi, E. stygica, E. healesvillensis, E. douglasi, E. lobiocula, E. gigantocephala, E. nigra, E. atra, E. glenmorganensis, E. bowenensis, E. townsvillensis, E. pulchra, E. polita, E. grandigena, E. angulifacies,
openaire +3 more sources
Gaining a genomic perspective on phylogeny requires the collection of data from many putatively independent loci collected across the genome. Among insects, an increasingly common approach to collecting this class of data involves transcriptome ...
Brady, Seán G.+3 more
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ÉVOLUTION DE LA CONSOMMATION D'OXYGÈNE AU COURS DU DÉVELOPPEMENT LARVAIRE DES OUVRIÈRES DE BOMBUS TERRESTRIS L. (HYMENOPTERA, APOIDEA, BOMBINÆ) [PDF]
A. Pouvreau
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TGLE Vol. 52 Nos. 1 & 2 Full Issue [PDF]
Full issue for TGLE Vol. 52 Nos. 1 &
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