168 SUBFAMILY X. CURCULIONINJE. 



somewhat compressed at tip (Fig 62, c) ; ocular lobes feeble; tibiae 

 finely toothed and with setae along the inner margin; front tarsi 

 of male dilated. 



KEY TO EASTERN SPECIES OF GROUP II. 



a. Elytral intervals wider than the punctures; sexes alike in form. 

 1). Larger, 4.2 mm. or more in length; no distinct ridge or sulcus above 



the eye. 



c. Tarsi fringed with long flexible hairs without stiff bristles; tibiae 

 slender; elytra almost uniform grayish-brown. 



218. GRYPIDIOIDES. 



cc. Tarsi fringed at sides with stiff, bristle-like hairs, intermixed 



with short pubescence; elytra distinctly variegated with pale 



brown. 219. DORSALIS. 



66. Smaller, not over 3.8 mm. in length; antennal grooves deep, their 



upper margin prolonged as a superciliary ridge. 



(I. Alternate elytral intervals more prominent and they alone bear- 

 ing setae on disc of elytra. 



e. Thorax nearly twice as wide as long, its sides almost straight, 

 sinuate at middle. 220. ALTERNATUS. 



ee. Thorax but slightly wider than long, its sides broadly rounded. 



221. PENIXSULARIS. 



dd. Elytral intervals all equal in width and elevation, each with a 

 row of short, suberect setae. 222. MOXTANUS. 



aa. Elytral intervals narrow, their punctures large, foveiform; sexes dis- 

 similar in form. 



f. Larger, 4 mm.; thorax impressed at middle and constricted at apex. 



223. HORNII. 



ff. Smaller, 3 mm.; thorax without median impression, gradually nar- 

 rowed to tip. 224. SETIGER. 



218 (10,819). HYPEROUES GRYPIDIOIDES Dietz, 1889, 35. 



Oblong, convex. Piceous, above thickly clothed with grayish-brown 

 and silvery-white scales, the latter forming an interrupted median line 

 and two very narrow sinuous stripes on thorax, a blotch on humerus and 

 a few indistinct mottlings on sides of elytra; under surface of thorax and 

 mesosternal side pieces also covered with white scales; antennae, tibia? and 

 tarsi reddish-brown. Beak slightly longer than thorax, very slender, finely 

 tricarinate. Thorax one-half broader than long, sides strongly rounded, 

 apex feebly constricted, two-thirds as wide as base; ocular lobes very nar- 

 row, the eyes uncovered in repose. Elytra at base one-fourth wider than 

 thorax at middle, humeri rounded, prominent; striae fine, their punctures 

 small, rather distant; intervals feebly convex, each with a row of short, 

 slender, white setae. Third tarsal joint twice as long as second. Last ventral 

 of male with a shallow triangular impression; of female with a deep lon- 

 gitudinal one on apical half. Length 4.2 4.5 mm. 



Lake County, Indiana, rare; May 30 .June 20. Diet/As types 

 were from Kansas, Nevada, Texas and Wyoming. His types of 

 wiclclutini from New Mexico are not distinguishable. 



