Synonyms and other taxonomic changes
Microsetia sexguttella
Explanation of Names
Author: Thunberg, 1794
sexguttella means "six drops"; refers to the six drop-like spots on the forewings (three on each wing)
Numbers
one of 4 species in this genus in North America listed at
All-LepsSize
wingspan 8-10 mm, based on three Internet photos
Identification
Adult: forewing slender, almost parallel-sided, with wide fringe on outer margin, especially at anal angle, where the fringe forms a tuft that projects upward when the moth is at rest with its wings held together over the abdomen; forewing dark gray or blackish with three large orangish-yellow spots (sometimes reduced): one crossing the wing near the base, a second spot halfway along the inner margin, and another spot about two-thirds distance along costa; hindwing thin, gray, with wide fringe of hair-like scales
Range
northeastern North America, introduced from Europe or north Africa, where it is widespread
see genus page for distribution of other Chrysoesthia species.
Its host plant, goosefoot or lambs-quarters (Chenopodium spp. is also non-native.
Habitat
fields, roadsides, waste places where foodplants grow
Season
in Europe, adults fly in May and June, and again in August and September
Food
larvae feed on members of the goosefoot family (Chenopodiaceae) such as orache or
saltbush (
Atriplex spp.) and goosefoot or lambs-quarters (
Chenopodium spp.)
Life Cycle
larvae are leaf-miners, forming a contorted gallery on the surface of leaves; two generations per year
Leaf mine, larva, pupae, adult
See Also
C. drurella has extensive orange on much of the forewing, interspersed with metallic silvery markings
Internet References
live adult image by Ian Smith, plus life cycle, flight season, foodplants, habitat (Ian Kimber, UK Moths)
pinned adult image by SangMi Lee (Moth Photographers Group)
pinned adult image plus other info (Bert Gustafsson, Swedish Museum of Natural History)
pinned adult image (Kimmo and Seppo Silvonen, Finland)
presence in Ontario; list - search on "Chrysoesthia" (NHIC; Ontario Ministry of Natural Resources)