''Herpystis esson'' is a species of

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 ...

of the family

Tortricidae The Tortricidae are a family of moths, commonly known as tortrix moths or leafroller moths, in the order Lepidoptera. This large family has over 11,000 species described, and is the sole member of the superfamily Tortricoidea, although the genu ...

. It is found in

New Caledonia ) , anthem = "" , image_map = New Caledonia on the globe (small islands magnified) (Polynesia centered).svg , map_alt = Location of New Caledonia , map_caption = Location of New Caledonia , mapsize = 290px , subdivision_type = Sovereign st ...

, a special collectivity of France located in the southwest Pacific Ocean. 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 13 mm. The ground colour of the forewings is white, preserved from the dorsal third of the wing to before the tornus. The forewings are marked with brownish strigulae (fine streaks). The remaining area is grey and brownish, but the terminal area is brown. The hindwings are pale brownish, but paler and more cream towards the base.

Etymology

The species name refers to the size of the species and is derived from Greek ''esson'' (meaning weaker, smaller)., 2013: Leaf-rollers from New Caledonia (Lepidoptera: Tortricidae). ''Shilap Revista de Lepidopterologia'' 41 (161): 69-93. Full article

References

Moths described in 2013 Eucosmini {{Eucosmini-stub