306 PROCEEDINGS OF THE NATIONAL MUSEUM Von. 1138 
Map 13.—Distribution of the specimens examined of the ovtpennis group of Smicronyx. A, 
S. ovipennis; O, S. squalidus; #, S. tesselatus. 
Key to the Species of the Smicronyx ovipennis group ® 
1. Scales of elytra mostly white, a few brown scales in narrow, irregular, broken 
transverse bands, tibiae piceous. . . . . .S. ovipennis LeConte (p. 306) 
Seales of elytra mostly brown, a few broken, narrow bands of white scales 
present, tibiae more reddishy “. «.\..6 6 <«. ~..0) s,096_ sy = hee ore 
2. Body length rarely less than 2.5 mm.; rostra of females almost ecarinate, 
smooth, before antennal insertions, slightly expanded at apex. 
S. squalidus Casey (p. 310) 
Body length rarely as much as 2.5 mm.; rostra of females subcarinate and 
punctate before antennal insertions, not expanded at apex. 
S. tesselatus Dietz (p. 308) 
Smicronyx ovipennis LeConte 
Ficures 26, 27, 85 
Smicronyz ovipennis LeConte, Proc. Amer. Philos. Soc., vol. 15, pp. 170, 171, 
1876. Lectotype, here designated: Male, Kansas, MCZ 1896 (J. L. LeConte 
collection). 
Smicrony2 setulosus Dietz, Trans. Amer. Ent. Soc., vol. 21, p. 132, 1894. New 
synonymy. Lectotype, here designated: Female, “Tex.,”” MCZ 1893 
(Dietz collection). 
Description: Rostra of both sexes black, stout, moderately curved; 
distinctly carinate medially, feebly carinate laterally, deeply punctate, 
thinly squamose behind antennal insertions; finely punctate and 
shining before antennal insertions in female; deeply punctate, sub- 
carinate, not shining before antennal insertions in male. Head black, 
§ This key should be used only in conjunction with the descriptions of these species. 
