Oocytes, Eggs, and Ovarioles of Some Long-Tongued Bees (Hymenoptera: Apoidea)
نویسندگان
چکیده
منابع مشابه
A Monograph of the Baltic Amber Bees and Evolution of the Apoidea (hymenoptera)
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Urbanization requires the conversion of natural land cover to cover with human-constructed elements and is considered a major threat to biodiversity. Bee populations, globally, are under threat; however, the effect of rapid urban expansion in Southeast Asia on bee diversity has not been investigated. Given the pressing issues of bee conservation and urbanization in Southeast Asia, coupled with ...
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Spermathecae of solitary and primitively eusocial bees from five major families were compared according to their chamber size, epithelial cell height (wall thickness), number and shape of glands, number of sperm pumps, and diameter of the duct, using whole mounts and serial sections. A thick spermathecal wall with a small chamber in our exemplar colletid, megachilid, and andrenid bees, a large ...
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The state of Michigan occupies an area between the Great Plains and the northeastern United States, bordering four Great Lakes, with diverse biogeographical regions. Michigan also has the second most diverse agriculture in the country, with many crops that depend on bees for pollination. This unique combination provides a wide range of opportunities for bees to persist, yet there is no current ...
متن کاملTrap-nesting bees (Hymenoptera: Apoidea) in forest fragments of the State of São Paulo, Brazil.
We studied the community ecology of trap-nesting bees in two forest fragments of the state of São Paulo, Brazil, during two years, utilizing bamboo canes and tubes made of black cardboard as trap nests. The traps were inspected once a month with an otoscope. One hundred and fifteen nests were obtained at Estação Ecológica de Paulo de Faria, Paulo de Faria (EEPF). These included nine species bel...
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ژورنال
عنوان ژورنال: American Museum Novitates
سال: 2003
ISSN: 0003-0082
DOI: 10.1206/0003-0082(2003)393<0001:oeaoos>2.0.co;2