The aim of this article is to review relevant information on pathogens presumably originating fromA. melliferathat may be affecting wild bees in North America. This review covers the commercial movement of managed honey bees and how it has likely caused pathogen spillover, as well as the various...
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Using whole-genome sequencing of museum and modern specimens, we describe the genomic changes in a wild population of honey bees in North America following the introduction of the ectoparasitic mite, Varroa destructor. Even though colony density in the study population is the same today as in ...
In contrast, fruit set increased significantly with flower visitation by honey bees in only 14% of the systems surveyed. Overall, wild insects pollinated crops more effectively; an increase in wild insect visitation enhanced fruit set by twice as much as an equivalent increase in honey bee ...
Bees play an important part in the growth of crops. About 4,000 wild bee species are native to North America. Other bee species on the continent were imported from Europe to produce honey. Bees also serve as crop pollinators-carry material from one plant to another. This helps the plants...
The issue of honeybees and wild bees vying for food and habitat stems from the landscapes in which they are interacting. In North America, those landscapes should be limited, however, because honeybees are an introduced agricultural species from Europe, she explained...
阅读理解Bees play an important part in the growth of crops.About 4, 000 wild bee species are native to NorthAmerica. Other bee species on the continent wereimported from Europe toproduce honey. Bees alsoserve as crop polinators(授粉者).These pollinatorscarry material from oneplant to another...
that are in trouble. many wild pollinators—thousands of species of bees and butterflies and moths—are also threatened. their decline could affect not only our food supply, but the very essence of our landscapes. save save by now you probably know about the plight of america's honeybees: ...
(LD50) as measured on honey bees (from the US Environmental Protection Agency (EPA) ECOTOX Database32). In doing this, we are implicitly assuming that the relative LD50of different pesticides for honey bees is representative of the relative LD50of those same pesticides for native bees, but we...
H2Viral prevalence in wild bees is related to both biotic factors, namely viral prevalence in sympatric managed honey bees, as well as abiotic climatic conditions. Results In total, we screened 1227 bee specimens (495 honey bees, 476 bumble bees, 256 solitary bees) for the following three viru...