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

Moth - Costaconvexa centrostrigaria Flat banded moth, Sunnyvale, CA - Costaconvexa centrostrigaria Idaea? - Costaconvexa centrostrigaria Costaconvexa centrostrigaria Geometridae: Costaconvexa centrostrigaria - Costaconvexa centrostrigaria - male Bent-line Carpet Moth - Hodges #7416 - Costaconvexa centrostrigaria geometrid moth sp.? - Costaconvexa centrostrigaria unknown moth - Costaconvexa centrostrigaria - female
Show images of: caterpillars · adults · both
Classification
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
7416
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.
Numbers
the only species in this genus in North America
Size
wingspan 17-23 mm
Identification
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.
Range
most of North America except Alberta and the arctic
Habitat
wet open areas and waste places were foodplants grow; adults are nocturnal and come to light
Season
Adults are on wing most of the year, on Block Island, RI, where they have been recorded mid-April to mid-November.(1)
Food
Larvae feed on Polygonum species (knotweed, smartweed).
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.