832 



FAMILY XL. — LAMP YRIDiE . 



aa. Base of thorax not lobed; process behind the notch not ante-basal but 

 proceeding from the base itself by an extension of the hind angles ; 

 both processes narrow, parallel, compressed and obtuse at tip. 



1583. SPATHULATA. 



1582 (4920). Silis percomis Say, Bost. Journ. Nat. Hist., I, 1835, 159; ibid. 



II, 636. 



Oblong, depressed. Black, often with a bluish tinge ; thorax reddish- 

 yellow. Thorax wider than long, obtusely rounded in front, the sides of 

 female with a slight notch near hind angles ; those of male deeply notched 

 as noted above ; surface of elytra finely granulate and pubescent. Length 

 5 mm. 



Lake County ; scarce. May 28. 



1583 (4924). Silis spathulata Lee, Trans. Amer. Entom. Soc, IX, 



1881, 57. 



Form and color of percomis. Thorax strongly margined but not lobed 

 at base, the basal margin blackish. Antennae of male nearly as long as 

 body, joints 4-10 about four times longer than wide, slightly broader at tip, 

 therefore subserrate ; those of female one-half length of body, not serrate. 

 Length 4.5-5 mm. 



Lake, Marshall and Fountain counties ; scarce. May 12-May 

 28. LeConte 's types were from Illinois. Occurs especially on the 

 flowers of the wild eranesbill, Geranium maculatum L. 



XX. Telephorus SchafT. 1766. (Gr., " afar + bearing, " i. e. of 



wide distribution." 



The species belonging here are small or medium, soft-bodied 

 forms, which are very difficult to separate. From allied genera 

 they are distinguished only by the characters given in the generic 

 key. They occur mostly on the foliage of 1ow t herbs and shrubs, 

 especially in moist lowlands. About 36 species are known from 

 the United States, 12 of which have been taken in Indiana, 



KEY TO INDIANA SPECIES OF TELEPHORUS. 



a. Claws of tarsi either in part or wholly toothed or cleft. 

 &. Tarsal claws similar, all being toothed or cleft. 



c. All the claws appendiculate or broadly toothed at base. 



d. Thorax one-half wider than long ; last joint of maxillary palpi 



dilated, triangular. 1584. dentiger. 



dd. Thorax not wider than long ; last joint of maxillary palpi elon- 

 gate, triangular. 1585. excavates. 

 cc. All the claws cleft or acutely toothed. 



e. " Size larger, 9-10 mm. 1586. Carolines. 

 ee. Size small, not over 7 mm. 



f. Elytra rather coarsely and densely rugose-punctured ; thorax 

 yellow with a wide dorsal stripe black. 1587. lineola. 



