Species of wasp
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Dielis trifasciata, also known as the three-banded scoliid wasp, is a species in the family Scoliidae.
Description and identification.
"Dielis trifasciata" typically have a body length of , though males of the subspecies "D. t. nassauensis" can reach up to . The females have yellow bands on the three anterior abdominal segments. These bands are broad in the nominate subspecies, "D. t. trifasciata" but very narrow in the subspecies "D. t. nassauensis". In males, the last three abdominal segments are black, and the scutellum has a single yellow band. The males of "D. t. trifasciata" are distinguished from allied species in part by the extensively yellow clypeus.
Biology.
These parasitic wasps lay eggs on larvae of the scarab "Phyllophaga portoricensis". Adult scoliids feed on nectar and possibly pollen.
Distribution.
"Dielis trifasciata" is present in southern Florida, the Bahamas, and in most of the Greater Antilles.
Subspecies.
There are two subspecies of "D. trifasciata":
References.
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