NO. 3561 LOXOSTEGE—CAPPS 25 
base of the large outer spine; dorsal margin of sacculus with median 
subtriangular production. 
Frema.tre.—Alar expanse 18-28 mm. Color and maculation as in 
male. Genitalia (fig. 79): rugose character of postgenital plate 
diagnostic. 
LecrotyPpe.—Female, American Museum of Natural History, 
genitalia slide FHR 4634. 
Typr-LocaLity.—Arizona. 
Foop pLant.—Corn? 
DIsTRIBUTION.—UNITED STATES: Arizona, New Mexico, Texas, 
Towa, Illinois, and Delaware. caNapa: Ontario. mexico: Federal 
District, Puebla, and Jalisco. 
SPECIMENS EXAMINED.—220. 
In FLigHT.—May to September. 
Remarks.—Hulst (1886) stated that the type series of pergilvalis 
consisted of three females from Arizona. Hampson (1899), followed 
by authors of subsequent check lists of American Lepidoptera, erred 
in his treatment of pergilvalis as a synonym of coloradensis. The 
male specimen from Arizona in the Neumoegen collection that bears 
a pergivalis type label of Hulst (to which reference was made by 
Barnes and McDunnough (1916)), agrees with coloradensis in color, 
maculation, and genitalia and is definitely conspecific with colora- 
densis; however, the female type designated by (Barnes and 
McDunnough, 1916), and also subsequently designated lectotype 
by Klots (1942), is distinct from coloradensis and is a valid species. 
L. pergilvalis and coloradensis differ in both maculation and genitalia. 
Postmedial and subterminal lines are present on the hindwing of 
pergilvalis and are absent in coloradensis (fig. 123). The harpe of 
pergilvalis has a cluster of digitate setae; that of coloradensis (fig. 17) 
is without digitate setae. Differences in the character of the sclero- 
tization adjacent to the ostium readily distinguish the female genitalia 
of pergilvalis from those of coloradensis (fig. 77). 
Of the rather large series at hand, only one specimen had a plant 
association; it is labelled ‘‘on corn” and is from Coapa, D. F., Mexico. 
Whether it was collected as an adult on corn or reared from a larva 
feeding on corn is not definitely ascertainable. 
Loxostege coloradensis (Grote and Robinson) 
Fieures 17, 77, 123 
Botis coloradensis Grote and Robinson, 1867, Trans. American Ent. Soc., vol. 
I ps2os 
Botys coloradensis Grote and Robinson.—Klots, 1942, Bull. American Mus. Nat. 
Hist., vol. 79, art. 6, p. 419. 
Phlyctaenodes coloradensis (Grote and Robinson).—Hampson, 1899, Proc. Zool. 
Soc. London, p. 208. 
