Results 31 to 40 of about 512 (165)
Revista Chilena de Entomología, 2019 The male of the rare bee species Colletes vicugnensis Rojas and Toro is herein described and illustrated for the first time. Also, an identification key to the known males of the species of the genus with a metallic-blue metasoma found in Chile is ...
Rafael R. Ferrari
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Revista Chilena de Entomología, 2020 En el presente estudio se describe el comportamiento de cópula de los machos de Colletes musculus (Friese). Se analizan los sonidos producidos por ellos mediante vibración de las alas durante el apareamiento.
Elizabeth Chiappa +2 more
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Leveraging local species data, a global database, and an occupancy model to explore bee-plant interactions. [PDF]
Ecol ApplAbstract Global declines in bee populations are threatening the ecosystem services they provide, including pollination. Many bee–plant interactions are understudied, producing an incomplete understanding of resulting ecosystem‐level vulnerabilities. The last decade has generated a wealth of opportunistic data originating from natural history collection
Lee MJ, DiRenzo GV, Diao C, Seltmann KC.
europepmc +2 more sources
Bees of the Azores: an annotated checklist (Apidae, Hymenoptera)
ZooKeys, 2017 We report 18 species of wild bees plus the domesticated honeybee from the Azores, which adds nine species to earlier lists. One species, Hylaeus azorae, seems to be a single island endemic, and three species are possibly native (Colletes eous, Halictus ...
Julie A. Weissmann +3 more
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Diversity of insect pollinators with reference to their impact on yield production of canola (Brassica napus L.) in Ismailia, Egypt [PDF]
Pesticidi i Fitomedicina, 2015 A study of insect pollinators and their impact on canola yield was conducted during the 2013/2014 and 2014/2015 growing seasons. The study was carried out at an experimental farm, Faculty of Agriculture, Suez Canal University, Ismailia.
Soliman M. Kamel +4 more
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Journal of Pollination Ecology, 2022 Most bee species are ground-nesters, yet knowledge on the nesting behaviour of this diverse group remains sparse. Evidence on the effectiveness of ground-nesting bee species as crop pollinators is growing, but there is limited information on their ...
Konstantinos Tsiolis +6 more
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Discovering new floral visitors of four Chilean endemic orchids
Gayana, 2019 Orchidaceae is a diverse group with conservation issues all over the World. Due to its endangered situation, knowledge about its reproductive biology is needed to plan conservation strategies. We conducted a study during October 2016 and October 2017 in
Víctor H. Monzón +4 more
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Preliminary investigations of the species composition of the aculeate hymenopteran community in Chornobyl Radiation and Ecological Biosphere Reserve (Hymenoptera, Aculeata) [PDF]
Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa”The Chornobyl Radiation and Ecological Biosphere Reserve is a unique location, which is an area of posttechnogenic habitat restoration, including the Chornobyl Exclusion Zone, where comprehensive surveys of insect diversity have not yet been conducted ...
Hanna Yu. Honchar +3 more
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Elaborated pollen packaging and dispensing mechanism induced by petal architecture from a Papaveraceae species [PDF]
PeerJ, 2019 Secondary pollen presentation (SPP) is a reproductive strategy that enhances the efficiency of pollen transfer, which has been explored for more than 200 years, resulting in 10 identified types of SPP.
Shanlin Yang +3 more
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The Canadian Entomologist, 1905 Colletes Vierecki, n. sp.—♀. Length, 11–12 mm. Shining black, form stout, body almost bare. Clypeus slightly convex, not sulcate, closely striato-punctate, sparsely clothed with short, pale pubescence. Supraclypeal area convex, shining and impuncatate medially, and with crowded punctures on the margins.
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