Results 61 to 70 of about 7,637 (280)

The bees of Greater Puerto Rico (Hymenoptera: Apoidea: Anthophila) [PDF]

open access: yes, 2008
The bee fauna of the Greater Puerto Rico area was studied. A review of the previous relevant studies is presented. An annotated catalog and information about the origin and distributional patterns are also provided.
Franz, Nico M., Genaro, Julio A.
core   +1 more source

Pollination and plant reproduction in the Cerrado, the world's most biodiverse savanna

open access: yesBiological Reviews, Volume 101, Issue 1, Page 74-105, February 2026.
ABSTRACT The Brazilian Cerrado is a continental‐wide biodiversity hotspot and the most species‐rich savanna ecosystem in the world. The main aspect characterising this biodiversity is that the landscape is arranged as an intricate mosaic of different plant formations, including grasslands, savannas, and forests, each harbouring distinct but ...
João C. F. Cardoso   +6 more
wiley   +1 more source

Large Carpenter Bees, Xylocopa spp. (Insecta: Hymenoptera: Apidae: Xylocopinae)

open access: yesEDIS, 2002
This document is EENY-100, one of a series of the Entomology and Nematology Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Original publication date July 1999. Reviewed May 2003.
E. E. Grissell   +2 more
doaj   +5 more sources

The large carpenter bees of central Saudi Arabia, with notes on the biology of Xylocopa sulcatipes Maa (Hymenoptera, Apidae, Xylocopinae)

open access: yesZooKeys, 2012
The large carpenter bees (Xylocopinae, Xylocopa Latreille) occurring in central Saudi Arabia are reviewed. Two species are recognized in the fauna, Xylocopa (Koptortosoma) aestuans (Linnaeus) and X. (Ctenoxylocopa) sulcatipes Maa.
Mohammed Hannan   +3 more
doaj   +1 more source

Aspects determining the risk of pesticides to wild bees: risk profiles for focal crops on three continents. [PDF]

open access: yes, 2012
In order to conduct a proper risk assessment of pesticides to bees, information is needed in three areas: (i) the toxicity of the pesticide; (ii) the probability of bee exposure to that pesticide; and (iii) the population dynamics of the bee species in ...
Blacquiere, Tjeerd   +21 more
core   +3 more sources

Pollination by Xylocopa olivacea Fabricius 1871 (Hymenoptera: Apidae) and potential benefits on Vigna unguiculata (L.) Walp. 1843 (Fabaceae) production in Djoumassi (North Region, Cameroon)

open access: yesAfrican Journal of Agricultural Research
The investigation aimed to assess the impact of Xylocopa olivacea on Vigna unguiculata yields, and its foraging and pollinating activities were studied at Djoumassi from October 30th to November 04th in 2018 and from 04 to 10th October in 2019.
Clément Minéo Yatahai   +5 more
semanticscholar   +1 more source

Three new species of Eupetersia Blüthgen, 1928 (Hymenoptera, Halictidae) from the Oriental Region [PDF]

open access: yes, 2012
Three new species, Eupetersia (Nesoeupetersia) singaporensis sp. nov., collected in a mangrove swamp in Singapore, and Eupetersia (Nesoeupetersia) sabahensis sp.
Pauly, Alain
core   +3 more sources

Atividades relacionadas à construção e aprovisionamento de ninhos de Xylocopa subcyanea (Hymenoptera, Apidae) em uma área de restinga na Bahia, Brasil Activities related to construction and provioning of nests of Xylocopa subcyanea (Hymenoptera, Apidae) in an area of sandbank in Bahia, Brazil

open access: yesIheringia: Série Zoologia, 2006
As abelhas do gênero Xylocopa Latreille, 1802 são comuns em ecossistemas de restingas em acelerada fase de degradação e são importantes polinizadores deste ecossistema. Elas nidificam especialmente em madeira morta ou apodrecida.
Miriam Gimenes   +2 more
doaj   +1 more source

First record of the invasive bee Anthidium manicatum (Hymenoptera: Megachilidae) in Chile [PDF]

open access: yes, 2015
The Palearctic wool carder bee Anthidium manicatum (Linnaeus) is recorded for the first time in Chile based on eight specimens collected on Lavandula sp. (Lamiaceae) in San Bernardo, Metropolitan Region.
Montalva, Jose Miguel   +2 more
core   +3 more sources

Genetic structure across urban and agricultural landscapes reveals evidence of resource specialization and philopatry in the Eastern carpenter bee, Xylocopa virginica L.

open access: yesEvolutionary Applications, 2020
Human activity continues to impact global ecosystems, often by altering the habitat suitability, persistence, and movement of native species. It is thus critical to examine the population genetic structure of key ecosystemservice providers across human ...
Kimberly M. Ballare, Shalene Jha
semanticscholar   +1 more source

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