Acentria ephemerella
800720.00 —
5299 —
Acentria ephemerella
♂
Images copyright: Ilona Loser (WI)
Larval Host(s)
Presumed main host
on Block Island:
on Block Island:
Known hosts:
unclear/unknown
Myriophyllum spicatum, Elodea
Sex Differences
Female wingless.
Life History
Males of this interesting introduced species, which has been used as a biological control of the invasive watermilfoil (Myriophyllum spicatum), may be found flying on the surface of Sachem Pond at least from late June to early July and occur in at least one other pond locally. The females are wingless, and mating occurs on the water surface. Larvae are aquatic.