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Species Costaconvexa centrostrigaria - Bent-line Carpet - Hodges#7416

Bent-line Carpet - Costaconvexa centrostrigaria Moth ID - Costaconvexa centrostrigaria Moth ZH3Z3823 - Costaconvexa centrostrigaria Costaconvexa centrostrigaria Unknown geometrid moth? - Costaconvexa centrostrigaria - male Costaconvexa centrostrigaria Costaconvexa centrostrigaria Costaconvexa centrostrigaria
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 Larentiinae
Tribe Xanthorhoini
Genus Costaconvexa
Species centrostrigaria (Bent-line Carpet - Hodges#7416)
Hodges Number
Synonyms and other taxonomic changes
formerly Orthonama centrostrigaria.
Placed in genus Costaconvexa by Malcolm Scoble et al in the 1999 catalog, Geometrid Moths of the World.
the only species in this genus in North America
wingspan 17-23 mm
Adult: wings pale gray to reddish-brown; AM and PM lines form dark brown bands; PM line ends abruptly midway across wing (i.e. lower half absent); small black discal spot on all wings. Sexually dimorphic: male wings mostly gray; female has dark median area.
most of North America except Alberta and the arctic
wet open areas and waste places were foodplants grow; adults are nocturnal and come to light
Adults are on wing most of the year, on Block Island, RI, where they have been recorded mid-April to mid-November.(1)
Larvae feed on Polygonum species (knotweed, smartweed) and Galium.
Life Cycle
two or more generations per year
Eggs; larva; larva; pupa; adult
See Also
The Gem (Orthonama obstipata) has an oblique blackish dash at apex of forewing - lacking in Bent-line Carpet
Print References
Covell, p. 386, plate 50 #1, 4 (2)
Miller, #98, p. 62 (3)
Wagner, p. 214--photo of larva (4)
Internet References
Moth Photographers Group - species page with photographs of living and pinned adults.
live adult images (Claire Curry, Texas)
adult images (Larry Line, Maryland)
Works Cited
1.Block Island Moths
2.Field Guide to Moths of Eastern North America
Charles V. Covell, Jr. 2005.
3.Macromoths of Northwest Forests and Woodlands
Jeffrey Miller, Paul Hammond. 2000. USDA Forest Service, FHTET-98-18.
4.Caterpillars of Eastern North America
David L. Wagner. 2005. Princeton University Press.