''Hydrelia' flavidula'' is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

in the family

Geometridae The geometer moths are moths belonging to the family Geometridae of the insect order Lepidoptera, the moths and butterflies. Their scientific name derives from the Ancient Greek ''geo'' γεω (derivative form of or "the earth"), and ''met ...

first described by William Warren in 1907. It is found in

Papua New Guinea Papua New Guinea (abbreviated PNG; , ; tpi, Papua Niugini; ho, Papua Niu Gini), officially the Independent State of Papua New Guinea ( tpi, Independen Stet bilong Papua Niugini; ho, Independen Stet bilong Papua Niu Gini), is a country i ...

. Adults are

sexually dimorphic Sexual dimorphism is the condition where the sexes of the same animal and/or plant species exhibit different morphological characteristics, particularly characteristics not directly involved in reproduction. The condition occurs in most ani ...

Taxonomy

The species does not actually belong in the genus ''

Hydrelia ''Hydrelia'' is a genus of moths in the family Geometridae erected by Jacob Hübner in 1825. Species *'' Hydrelia aggerata'' Prout, 1938 *'' Hydrelia albifera'' (Walker, 1866) - fragile white carpet moth *'' Hydrelia arizana'' (Wileman, 1911) *' ...

'', or even the tribe

Asthenini Asthenini is a tribe of geometer moths under subfamily Larentiinae first described by Warren in 1893. The tribe has been combined with Eupitheciini in the past, most notably by Jeremy Daniel Holloway in his work The Moths of Borneo. Distribution ...

, but has not been reassigned to another genus yet.

References

Moths described in 1907 Asthenini Moths of New Guinea {{Asthenini-stub