Synonyms and other taxonomic changes
Neoterpes graefiaria (Hulst, 1887)
Merochlora graefiaria (Hulst, 1886)
Chlorosea graefiaria Hulst, 1887
has 4 described species in America north of Mexico. (1)
Wingspan is 29-34 mm. (Hulst), (2)
The original description as Chlorosea graefiaria Hulst, and the Ferguson (1969) revised description as
Merochlora graefiaria, are both available online in the print references below.
California and Nevada to Colorado and New Mexico. Possible Oregon record? (3)
Occurs in Baja California.
Syntype collected in Nevada.
Moth Photographers Group
- large map with some distribution data.
Adults are usually reported from May through September. (2)
Larval host is Penstemon barbatus (Cav.) Roth. (beardlip penstemon). (Seigler)
Compare to related species on the pinned plates of Moth Photographers Group
Ferguson, D.C. 1969. A revision of the moths of the subfamily Ennominae of America north of Mexico (Insecta, Lepidoptera) Peabody Museum of Natural History Bulletin 29: 179
Hulst, G.D. 1886. Entomologica America. 2: 123
Seigler, D.S. 1998. Plant secondary metabolism. Springer. 364.
Stermitz, F.R., Gardner, D.R., & McFarland, N. 1988. Iridoid glycoside sequestration by two aposematic Penstemon-feeding Geometrid larvae. Journal of Chemical Ecology 14(2): 435-441.