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Species Macaria ribearia - Currant Spanworm - Hodges#6274

Speranza ribearia Current Spanworm Moth  - Macaria ribearia - female Currant Spanworm Moth (Speranza ribearia ) 6274 - Macaria ribearia Currant Spanworm Moth (Speranza ribearia )  - Macaria ribearia Currant Spanworm (6274)? - Macaria ribearia - female Destructive Inchworm Caterpillars - Macaria ribearia the beggar (Euphabe mendica) but is it? - Macaria ribearia - male Macaria ribearia Geometridae - Macaria ribearia - female
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 Ennominae
Tribe Macariini
Genus Macaria
Species ribearia (Currant Spanworm - Hodges#6274)
Hodges Number
Synonyms and other taxonomic changes
Itame ribearia
Macaria ribearia
described in 1848 by Fitch, who originally placed it in genus Abraxas
wingspan about 29 mm
Adult: forewing pale yellow with variable brownish-gray markings; dark patch near middle of subterminal area sometimes forms larger broad subterminal band; three or four evenly-spaced dark dashes usually present along costa; fringe pale yellow; hindwing slightly paler with fainter and reduced markings; fringe pale yellow
southern Quebec to Maryland, west to Oklahoma, Colorado, and southern Alberta
open woodlands and shrubby areas containing hostplants (currant and gooseberry); adults may be active during the day, and are also nocturnal and come to light
adults fly from late June to early September
larvae feed on leaves of currant and gooseberry (Ribes spp.)
Life Cycle
one generation per year; overwinters as an egg
eggs; last instar larva; larva & pupae; adult
Print References
Handfield (1); text account on page 189; pinned adult images of male and female on plate 25.
Ferguson, D. C., 2008. Moths of America North of Mexico, Fascicle 17.2: p. 127; pl. 3.6-9.(2)
Internet References
Moth Photographers Group - range map, photos of living and pinned adults.
species account including pinned adult images by G.G. Anweiler, common name reference, habitat, flight season, description, similar species, larval foodplants, distribution (Strickland Entomological Museum, U. of Alberta)
live adult images and dates (Lynn Scott, Ontario)
larval foodplants; PDF doc plus flight season and life cycle (Macrolepidoptera of Mont Saint-Hilaire Region, McGill U., Quebec)
pinned adult image and distribution in Canada listing provinces of occurrence (CBIF)
presence in Oklahoma and Colorado; list with dates and locations [search on species "ribearia"] (Lepidopterists Society Season Summary, U. of Florida)
Works Cited
1.Les Guides des Papillons du Quebec
Louis Handfield. 1999. Broquet.
2.The Moths of America North of Mexico, Fascicle 17.2, Geometroidea, Geometridae, Ennominae.
Douglas C. Ferguson . 2008. The Wedge Entomological Research Foundation.