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Species Dichorda illustraria - Hodges#7055

Dichorda illustraria  Dichorda illustraria ? - Dichorda illustraria - male 7055  - Dichorda illustraria 7055 - Dichorda illustraria - male Dichorda illustraria  - Dichorda illustraria - female Unknown Moth - Dichorda illustraria - female Dichorda illustraria - male Dichorda illustraria
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Geometroidea (Geometrid and Swallowtail Moths)
Family Geometridae (Geometrid Moths)
Subfamily Geometrinae (Emeralds)
Tribe Nemoriini
Genus Dichorda
Species illustraria (Dichorda illustraria - Hodges#7055)
Hodges Number
Synonyms and other taxonomic changes
Dichorda illustraria (Hulst, 1886) (1), (2)
Geometra illustraria Hulst, 1886
Phylogenetic sequence # 207325
There are four named species of Dichorda in America north of Mexico. (3), (2)
Forewing length. (2)
♂ 14-18 mm.
♀ 18-22 mm.
The original description as Geometra illustraria Hulst, is available online at the link in the print references below.
Specimens identified by DNA analysis:
Coastal Oregon south to Baja California with the Sierra Nevada and Transverse Ranges the eastern limit. (4)
Adults fly June to September in northern California and Oregon
Two broods in southern California and Baja with adults seen March to November. (4)
Larval hosts include. (2)
Rhus laurina
Rhus trilobata
Ribes sp.
See Also
Some examples may be difficult to distinguish from Dichorda rectaria, which might range as far west as California.

In southern Arizona, check out Dichorda consequaria.

Compare to related species on the pinned plates of Moth Photographers Group.
Print References
Ferguson, D.C. 1985. The Moths of North America. Fascicle 18.1, Geometroidea, Geometridae (Part), Geometrinae. p. 75, pl. 3.45-47. (2)
Hulst, G.D. 1886. New species of Geometridae, No. 2. Entomologica Americana. 2: 121 .
Powell, J.A., & P.A. Opler 2009. Moths of Western North America, pl. 31.19; p. 221.(4)
Internet References
Works Cited
1. A revision of the moths of the subfamily Geometrinae of America north of Mexico (Insecta, Lepidoptera)
Douglas C. Ferguson. 1969. Peabody Museum of Natural History Yale University Bulletin 29.
2.The Moths of America North of Mexico Fascicle 18.1. Geometroidea, Geometridae (Part), Geometrinae
Douglas C. Ferguson . 1985. The Wedge Entomological Research Foundation.
3.North American Moth Photographers Group
4.Moths of Western North America
Powell and Opler. 2009. UC Press.