Synonyms and other taxonomic changes
Elasmopalpus lignosellus (Zeller, 1848)
Pempelia lignosellus (Zeller, 1848)
Elasmopalpus angustellus (Blanchard, 1852)
Luginbill & Ainslie (1917) reported the wingspan 17-22 mm.
Larva to 16 mm
Pupa 8.2 mm
Cocoon 15.9 mm
Adult - sexually dimorphic. Males are tan with dark streaks along the costa and inner margin. The tan coloring is reduced to a longitudinal stripe in the females and they have much more dark scaling. Some females are basically black with red scaling at the base of the forewing. (1)
Eastern and southwestern United States and south throughout South America.
Can be abundant in cultivated fields with poor soils.
Luginbill & Ainslie (1917) stated the larvae feed on grasses and a variety of commercial crops including beans, corn (a serious pest), cowpeas, peanuts, sorghum, sugar cane, turnips, wheat.
Luginbill & Ainslie (1917) describe life cycle in PDF
Luginbill, P. & G.G. Ainslie 1917. The lesser corn stalk-borer. USDA Bulletin
Neunzig, H.H. 2003. The Moths of America North of Mexico, Fascicle 15.5
. The Wedge Entomological Research Foundation., p. 232; plate 9, figs. 9-10. (2)
Powell, J.A. & P.A. Opler 2009. Moths of Western North America
. University of California Press. plate 26, fig. 2; p. 193. (1)