Results 21 to 30 of about 6,054 (217)

Extinctions of aculeate pollinators in Britain and the role of large-scale agricultural changes [PDF]

open access: yes, 2014
Pollinators are fundamental to maintaining both biodiversity and agricultural productivity, but habitat destruction, loss of flower resources, and increased use of pesticides are causing declines in their abundance and diversity. Using historical records
Biesmeijer   +8 more
core   +1 more source

A Record of \u3ci\u3eNomada (Nomada) Colorata\u3c/i\u3e From Illinois With a Suggested Host Species (Hymenoptera: Apoidea) [PDF]

open access: yes, 2017
(excerpt) Nomada colorata (Anthophoridae)was described by Mitchell (1962) on the basis of the holotype female from Michigan and two female paratypes from Michigan and New ...
Bouseman, John K
core   +2 more sources

The bees of the genus Andrena Fabricius, 1775 (Hymenoptera, Andrenidae) described by Ferdinand Morawitz from the collection of Aleksey Fedtschenko [PDF]

open access: yesZooKeys, 2022
The type specimens of the genus Andrena Fabricius, 1775, described by Ferdinand Morawitz from the collection of Aleksey Fedtschenko deposited in the Zoological Museum of the Moscow State University and in the Zoological Institute, Russian Academy of ...
Yulia V. Astafurova   +2 more
doaj   +3 more sources

The native bee fauna of the Palouse Prairie (Hymenoptera: Apoidea) [PDF]

open access: yes, 2017
While synoptic collections provide data on the range and general composition of the North American bee fauna, bee communities associated with specific habitats are largely uncharacterized.
Bosque-Pérez, Nilsa   +5 more
core   +2 more sources

The genus Andrena Fabricius, 1775 (Hymenoptera, Andrenidae) in a Mediterranean biodiversity hotspot: community-wide relationships with plants and description of three new species [PDF]

open access: yesJournal of Hymenoptera Research
Evolutionary and ecological factors underlying the extensive, fast diversification of the species-rich bee genus Andrena (Andrenidae Latreille, 1802) are of general interest and require elucidation.
Carlos M. Herrera   +4 more
doaj   +3 more sources

Pollination Ecology of Rocket (Eruca vesicaria (L.) Cav. ssp. sativa (Mill.) Thell) in the Semi-Arid Environments of Northwest India: Native Bees Are the Major Pollinators

open access: yesEcologies, 2023
Several insect species visit the flowers of a plant to obtain floral rewards in the form of pollen and/or nectar. In return, we would anticipate that those visitors would contribute to the reproductive success of the plant.
Ram Chander Sihag
doaj   +1 more source

Bees (Hymenoptera: Apoidea) of the Kitty Todd Preserve, Lucas County, Ohio [PDF]

open access: yes, 2018
A survey of the bees occurring on the The Nature Conservancy’s Kitty Todd Preserve in the Oak Openings region of Lucas County Ohio was conducted in 2002-2004, using hand-netting techniques.
Arduser, Mike
core   +3 more sources

Bee fauna potential visitors of coriander flowers Coriandrum sativum L. (Apiaceae) in the Mitidja area (Algeria)

open access: yesJournal of Apicultural Science, 2013
Coriander Coriandrum sativum L. (Apiaceae) is a year-round condiment and aromatic Mediterranean plant. It is cultivated in several countries in North Africa, in Europe, and Western Asia.
Bendifallah Leila   +2 more
doaj   +1 more source

Unbiased RNA shotgun metagenomics in social and solitary wild bees detects associations with eukaryote parasites and new viruses [PDF]

open access: yes, 2016
The diversity of eukaryote organisms and viruses associated with wild bees remains poorly characterized in contrast to the well-documented pathosphere of the western honey bee, Apis mellifera.
Braeckman, Bart   +5 more
core   +3 more sources

Evaluasi Pemberian Bahan Allograft dan Alloplast pada Penderita Periodontitis Agresif Menyeluruh dengan Genotipe Positif Alel 2 (+3954) Interleukin-1 Beta

open access: yesJournal of Dentistry Indonesia, 2013
Generalized aggressive periodontitis is a disease or a disorder of periodontium that occurs in people below 30 years old. These patients usually have several immune response disorders, such as defects in chemotaxis, phagocytic of neturophils and ...
Andrena Andrena   +2 more
doaj   +1 more source

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