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Species Heliocheilus paradoxus - Paradoxical Grass Moth - Hodges#11074

Moth H - Heliocheilus paradoxus - male Moth - Heliocheilus paradoxus - female Moth - Heliocheilus paradoxus Moth - Heliocheilus paradoxus Paradoxical Grass Moth - Heliocheilus paradoxus Scolecocampa liburna - Dead-wood Borer Moth - Heliocheilus paradoxus Paradoxical Grass Moth - Hodges#11074 - Heliocheilus paradoxus - male Arizona Moth - Heliocheilus paradoxus
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 Heliocheilus
Species paradoxus (Paradoxical Grass Moth - Hodges#11074)
Hodges Number
Synonyms and other taxonomic changes
Heliocheilus paradoxus Grote(1), 1865 (2), (3)
Forewing length 11-13 mm. (4)
Grote (1865) original description is online. 329.
Sexually dimorphic. Males have a costal "bulge" along front of the FW and two elongate oval "windows" on the FW which can appear translucent.

              ♂                               ♀
Heppner (2003)(5) reported the range to include eastern North America Ontario and Minnesota to Florida(6); California(7) and Oregon; Mexico.
Most common in the Southwest from southern California to Texas and south to central Mexico. (8), (4), (9), (10), (11)
Moth Photographers Group - large map with some distribution data.
The main flight period is April to October with extended season in the southern areas. (8), (4)
Heppner (2003) listed two host plants of the family Gramineae. (5)
Bothriochloa barbinodis (Lag.) Herter (cane bluestem).
Triodea fusca ??
Powell & Opler (2009) stated the host is uncertain but probably grasses. (4)
See Also
Images of the female are confusable with Corn Earworm, Helicoverpa zea, but the latter is substantially larger (FW 16-18 mm) with a straighter FW costal margin. Also look for a characteristic buff “doughnut” halo around the small dark orbicular spot on Corn Earworm.
Print References
Grote, A.R., 1865. Descriptions of North American Lepidoptera No. 6, Proceedings of the Entomological Society of Philadelphia, 4: 329
Powell, J.A., & P.A. Opler, 2009. Moths of Western North America. University of California Press, plate 52, fig. 33; p. 291.(4)