scopa
scopa Specialized tract of hairs between which female bees compact pollen for transport back to the nest. In solitary mining bees the principal scopa comprises plumose hairs on the hind legs and can be massively developed. Some mining bees have additional scopae on the underside of the first abdominal (metasomal) sternite. The families Fideliidae and Megachilidae have well-developed scopae on the ventral surface of the abdomen and these comprise dense fringes of stiff, straight or microscopically coiled hairs. Pollen scopae are absent in cuckoo bees, which do not forage for themselves.
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