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Species Schinia rivulosa - Ragweed Flower Moth - Hodges#11135

Ragweed Flower Moth - Schinia rivulosa Ragweed Flower Moth  - Schinia rivulosa Schinia? - Schinia rivulosa Ragweed Flower Moth - Schinia rivulosa Ragweed Flower Moth - Schinia rivulosa Ragweed Flower Moth  - Schinia rivulosa Moth - Schinia rivulosa Brown Banded Moth - Schinia rivulosa
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Noctuoidea (Owlet Moths and kin)
Family Noctuidae (Owlet Moths)
Subfamily Heliothinae
Genus Schinia (Flower Moths)
Species rivulosa (Ragweed Flower Moth - Hodges#11135)
Hodges Number
Synonyms and other taxonomic changes
Schinia rivulosa (Guenée, 1852)
Phylogenetic sequence # 932091 (1)
Wingspan 25-31 mm
Adult: forewing blackish-gray in basal area and beyond PM line, and lighter gray in median area; AM and PM lines white, conspicuous; AM line arc-shaped, and PM line deeply curved; ST line straight, white, faint or sometimes absent; hindwing unmarked, brownish-yellow at base, shading to brownish-gray at outer margin
Quebec to Florida(2), west to Arizona, north to Oregon and North Dakota
fields, waste places where foodplants grow; adults are nocturnal and come to light
adults fly from July to October
larvae feed on ragweed (Ambrosia spp.)
Life Cycle
one generation per year
See Also
Meal Moth (Pyralis farinalis) has a similar forewing pattern but its colors are brown and yellowish, and the hindwing is crossed by two wavy white lines
Arcigera Flower Moth (Schinia arcigera) forewing has less conspicuous white lines, its PM line is almost straight, and its hindwing is bright yellow and black (compare images of both species at CBIF); also note that the forewing of S. arcigera is often tinted with red or purplish, lacking in S. rivulosa
also other Schinia species such as ultima and thoreaui
Print References
Covell, p. 143, plate 29 #16 (3)
Internet References
adult images plus dates and foodplant (Larry Line, Maryland)
distribution in Canada Quebec and Ontario only (U. of Alberta, using CBIF data)