Results 41 to 50 of about 4,938 (231)

Bees of the Azores: an annotated checklist (Apidae, Hymenoptera)

open access: yesZooKeys, 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
doaj   +3 more sources

Colletes kinabalu n. sp., first record of the genus for the Malay Archipelago and southeast Asia (Hymenoptera: Anthophila: Colletidae) [PDF]

open access: yes, 2014
A new species from Mt. Kinabalu, Borneo (Malaysia), Colletes kinabalu Kuhlmann, new species, is described and illustrated.  This is the first record of a species of Colletes from Southeast Asia and its biogeographical implications are ...
Kuhlmann, Michael
core   +2 more sources

Discovering new floral visitors of four Chilean endemic orchids

open access: yesGayana, 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
doaj   +1 more source

Elaborated pollen packaging and dispensing mechanism induced by petal architecture from a Papaveraceae species [PDF]

open access: yesPeerJ, 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
doaj   +2 more sources

Patterns of size variation in bees at a continental scale: does Bergmann’s rule apply [PDF]

open access: yes, 2018
Body size latitudinal clines have been widley explained by the Bergmann’s rule in homeothermic vertebrates. However, there is no general consensus in poikilotherms organisms in particular in insects that represent the large majority of wildlife.
Adolf   +52 more
core   +2 more sources

NEW DATA ON BEES OF THE GENUS COLLETES LATREILLE (HYMENOPTERA: COLLETIDAE) FROM RUSSIA

open access: yes, 2020
The genus Colletes currently includes more than 500 described species with an estimated total of about 700 species (Kuhlmann & Proshchalykin, 2011) from most continents except Antarctica, Australia, and parts of Southeast Asia and Madagascar (Michener ...
M. Proshchalykin, M. Kuhlmann
semanticscholar   +1 more source

Preliminary investigations of the species composition of the aculeate hymenopteran community in Chornobyl Radiation and Ecological Biosphere Reserve (Hymenoptera, Aculeata) [PDF]

open access: yesTravaux 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
doaj   +3 more sources

Neighbourhood society: nesting dynamics, usurpations and social behaviour in solitary bees. [PDF]

open access: yesPLoS ONE, 2013
Intraspecific cleptoparasitism represents a facultative strategy advantageous for reducing time and energy costs. However, only a few studies about nesting dynamics have described intraspecific cleptoparasitic behaviour in obligate solitary bees.
Kateřina Černá   +4 more
doaj   +1 more source

The diversity and floral hosts of bees at the Archbold Biological Station, Florida (Hymenoptera: Apoidea) [PDF]

open access: yes, 2002
A list is provided of 113 species of bees and their 157 known floral hosts at the Archbold Biological Station(ABS), a 2105 ha site on the Lake Wales Ridge in Highlands County in south-central Florida.
Deyrup, Mark   +2 more
core   +1 more source

The bee fauna of an Atlantic coastal plain tidal marsh community in Southern New England, USA [PDF]

open access: yes, 2019
 With growing evidence of changes in local abundance, geographical range, and species diversity of wild bees, it is imperative to document wild bee communities in representative habitats throughout North America.
Stoner, Kimberly A., Zarrillo, Tracy A.
core   +2 more sources

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