SMICRONYX WEEVILS—ANDERSON 299 
Map 11.—Distribution of the specimens 
examined of the obtectus group of Smi1- 
cronyx. @, S. albidosquamosus; A, S. 
obtectus. 
Key to the Species of the Smicronyx obtectus Group 
1. All scales white or nearly white, hind tibiae only slightly expanded toward 
Apex. oie . . . . . S.albidosquamosus Klima (p. 301) 
Seales mostly qallowiet prone on Rronioras and elytra, the few white scales 
in scattered patches; hind tibiae more distinctly expanded toward apex. 
S. obtectus LeConte (p. 299) 
Smicronyx obtectus LeConte 
FIGuREs 82, 132 
Smicronyx obtectus LeConte, Proc. Amer. Philos. Soc., vol. 15, p. 171, 1876. 
Lectotype, here designated: Male, San Diego, California, collected by J. L. 
LeConte, MCZ 1918 (J. L. LeConte collection). 
Description: Rostra of both sexes black, distinctly curved, stout 
at base, but tapered toward apex, roughly punctate and squamose 
behind antennal insertions; deeply punctate, subcarinate before 
antennal insertions in male, smooth, sparsely punctate before antennal 
insertions in female. Head black, finely alutaceous, a broad patch of 
whitish scales above base of rostrum. Antennae black, with light 
yellowish-brown scales. Prothorax black, shape and punctation as 
in group description; scales, except a few setiform scales, broadly 
elliptical, yellowish brown with a scattering of white; prosternum 
moderately emarginate, transversely impressed. 
Elytra black, each interval bearing two rows of broadly ovate scales, 
which are light yellowish brown with a scattering of white. Femora 
black, strongly clavate, covered with ovate and linear yellowish brown 
scales. Tibiae black, covered with elliptical and linear yellowish brown 
