Results 41 to 50 of about 5,084 (150)

Health status of honey bee colonies (Apis mellifera) and disease-related risk factors for colony losses in Austria.

open access: yesPLoS ONE, 2019
Austrian beekeepers frequently suffered severe colony losses during the last decade similar to trends all over Europe. This first surveillance study aimed to describe the health status of Austrian bee colonies and to analyze the reasons for losses for ...
Linde Morawetz   +6 more
doaj   +1 more source

Demography and predatory potential of Orius strigicollis on eggs of Plutella xylostella at two temperatures [PDF]

open access: yesPeerJ
Background The polyphagous predatory bug Orius strigicollis Poppius (Heteroptera: Anthocoridae) is an active predator used to control many insect pests of agricultural crops.
Shakeel Ur Rehman   +7 more
doaj   +2 more sources

Mist-Netting of Migrating Bee-Eaters Positively Influences Honey Bee Colony Performance

open access: yesJournal of Apicultural Science, 2018
Bee-eaters (Meropidae) are considered agricultural pests and their presence provokes conflicts with beekeepers and farmers who rely on the pollination services of honey bees.
Łangowska Aleksandra   +3 more
doaj   +1 more source

A meta-analysis of effects of Bt crops on honey bees (Hymenoptera: Apidae). [PDF]

open access: yesPLoS ONE, 2008
BackgroundHoney bees (Apis mellifera L.) are the most important pollinators of many agricultural crops worldwide and are a key test species used in the tiered safety assessment of genetically engineered insect-resistant crops.
Jian J Duan   +4 more
doaj   +1 more source

Insects pests of bees and bee products [PDF]

open access: yes
Numerous insects species are parasitic and cause significant health problems by their action or as vector of diseases. Insects from the Diptera family are the most important parsites among honey bees. The most common and well-known insects are members of the genera Senotainia and Braula, family Vespidae (genera Vespula and Vespa) and family Pyralidae ...
Pavlović, Ivan   +4 more
openaire  

Factors Associated with Honey Bee Colony Losses: A Mini-Review

open access: yesVeterinary Sciences, 2020
The Western honey bee (Apis mellifera L., Hymenoptera: Apidae) is a species of crucial economic, agricultural and environmental importance. In the last ten years, some regions of the world have suffered from a significant reduction of honey bee colonies.
Peter Hristov   +3 more
doaj   +1 more source

The Use of Medicinal Aromatic Plants Against Bee Diseases and Pests

open access: yesBee Studies- Apiculture Research Institute, 2020
Nowadays,aromatic plants and oils have significant contributions in growth performance,regulation of the digestive system and struggle with disease factors in farmanimals. In beekeeping, many synthetic drugs are used against bee diseases andpests. Medicinal aromatic plants and oils, whose beneficial effects are known,are used in beekeeping in order to ...
TOPAL, Erkan   +4 more
openaire   +2 more sources

Impact of Biotic and Abiotic Stressors on Managed and Feral Bees

open access: yesInsects, 2019
Large-scale declines in bee abundance and species richness over the last decade have sounded an alarm, given the crucial pollination services that bees provide. Population dips have specifically been noted for both managed and feral bee species.
Joseph Belsky, Neelendra K. Joshi
doaj   +1 more source

Honey Bees and Wasps As Pests of Grape

open access: yes, 1970
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

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