''Agonopterix ventrangulata'' 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 Depressariidae. It was described by Alexandr L. Lvovsky and Shu-Xia Wang in 2011. It is found in

Fujian Fujian (; alternately romanized as Fukien or Hokkien) is a province on the southeastern coast of China. Fujian is bordered by Zhejiang to the north, Jiangxi to the west, Guangdong to the south, and the Taiwan Strait to the east. Its capi ...

, China. The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan of ...

is about 20 mm. The forewings are greyish white, tinged with yellowish brown. There is a large triangular black patch at the base and the costal margin is scattered with greyish black dots and short streaks. A large patch is situated beyond the costal three-fifths, consisting of three inconspicuous longitudinal short black stripes. The discal spot is black with a white dot at the inside and there is a black spot in the middle of the cell. The termen has five short greyish-black strips. The hindwings are greyish brown.

Etymology

The species name refers to the angle at the basal two-thirds on the ventral margin of the valve and is derived from Latin ''ventr''- (meaning ventral) and ''angulatus'' (meaning angulate).Lvovsky, Alexandr L. & Wang, Shuxia (2011)
"Five species of the genus ''Agonopterix'' Hübner (Lepidoptera: Depressariidae) from China"
''

Zootaxa ''Zootaxa'' is a peer-reviewed scientific mega journal for animal taxonomists. It is published by Magnolia Press (Auckland, New Zealand). The journal was established by Zhi-Qiang Zhang in 2001 and new issues are published multiple times a week. ...

''. 3053: 63–68.

References

Moths described in 2011 Oecophoridae Moths of Asia {{Gelechioidea-stub