THE PSETDO CLlClv DEETi.E:^. i(0 



ually narrowing to front, surface sparsely and rather coarsely punctured ; 

 earinte of hind angles extending two-thirds to apex. Elytra slightly wider 

 than thorax, not striate, sparsely, finely and irregularly punctate. Length 

 4 mm. 



Southern half o( State; frequent. I\ray 2.")— June 26. Oieur.5 

 esiH'fiaUy (in flowers of milkweed. 



D. quadripusiulatus Bonv,. more robust, thoracic earinffi shorter, 

 length 4 mm., ranges from Wisconsin to Florida and has been re- 

 corded from Cincinnati. D. nifidu!^ ilelsh., wholly piceons black, 

 length 4 mm., is known from Pennsylvania. 



11. Thko^cis Lat. 1T;I(3. (Gr„ ''to leap upon,") 



In this genus the antennae vary in the two sexes. In the male 

 the club is one and a half times the length and three times as broad 

 as all the preceding joints together: in the female it is very little 

 longer than the six preceding joints and not more than twice as wide 

 as they. The eyes of the male are larger and less separated in 

 front. Four species have been taken in the State, 



KEY TO INDIA^sA SPECIES OF THEOSCUS, 



a. Eyes entire. 



6. Striae of presternum much shortened. 



c. Hind angles of thorax without trace of carina. 1476. puxctati s. 

 cc. Hind angles with a distinct but short carina close to the side marr 

 gin. 1477. ix^Tsvs. 



6&. Striae of prosterniun entire or nearly so ; hind angles not carinate. 



147S. COXSTBICTOR. 



aa. Eyes with a narrow oblique impression very nearly dividing them into 

 two equal portions; strife of prosternum entire; els^ral intervals with 

 two rows of punctures. 1479. cheveoiati. 



1476 (4547). Theoscus punctatus Bonv., Monog. Throscid», lSo9. 15. 

 Oblong, convex. Dark brown, moderately shining, sparsely and very 



finely pubescent. Thorax nearly twice as wide as long, sides strongly con- 

 verging from base to apex, disk distinctly depressed on basal third, coarsely, 

 equally and rather closely punctate. Elytra not wider than thorax, striate. 

 strife rather closely punctate; intervals flat, each with two rows of close- 

 set punctures which are almost as large as those of striae. Length 3-3.5 mm. 



Vigo County; rare. I\Iay 2S In a specimen at hand the ehi:ra 

 are reddish-brown and the thorax pieenus. 



1477 (4.>46). THEOscrs ixTisus Horn, Trans. Amer. Entom. See. XII, 



1885, 201. 

 Resembles punctatus but somewhat larger, darker and more robust, 

 with the basal region of thorax less impressed, the punctures of disk more 

 widely separated and a tine but distinct carina close to the margin on hind 

 angles. Length 3.5-4 mm. 



