800 



FA. Ml I, V XXXfX. BITPRESTID.^. 



<: Sides, of thorax with yellowish piibeseenee ; elytra each with a yel- 

 low pubescent stripe; hind anjxles of thorax not carinate. 



1518. BILINE.\TrS. 



vc. Elytra without a yellow pubescent stripe. 



(/. Elytra with more or less evident pubescent si)ots ; last ventral 

 segment obtuse or truncate at tip; first two ventrals of male 

 grooved. granulati-.s. 



(J(l. Elytra without pubescent spaces 



c. Last ventral segment obtuse or truncate; tii-st and second ven- 

 trals of male with a smooth deep groove. iu.axchardi. 

 cc. Last ventral segment oval at tip. 



/. Hind angles of thorax carinate in Ixith sexes; first ventral 



of male broadly grooved. 1.j19. anxius. 



//. Hind angles of thorax not carinate; tirst ventral of male 



nearly flat. 1520. acutipennis. 



(/(/. Ivast dorsal segment without a projecting carina. 



//. Elytra without pubescent spaces; prosternal loI)e truncate or feebly 

 emarginate. 1521. POLrris. 



(jil. Elytra with pubescent spaces. 



/(. I'rosternal lobe entire; middle iMibesceiit space of elytra rounded. 



1522. FALIJ^^X. 



/(/;. Prosternal lobe deeply emarginate; first joint of hind tarsi longer 

 than half the tibia-; ndddle pubescent space of elytra elongate. 



1528. OUSOLETOGUTTATl S. 



A. viiiafk'oUh Rand., length 8-0.5 nnvi.. is said to occur from 

 "Massachusetts westward to Illinois." 



151S (4727). 



AoRir.us BiLTNKA'irs Web. 



Obs. Ent.. ISOl. 74. 



Elongate, moderately robust. 

 .Vbove black, with often a slightly 

 greenish tinge; sides of thorax 

 and a narrow stripe reaching 

 from hi;merus to beyond middle 

 of each elytron clothed with 

 dense yellow pubescence; beneajh 

 more shining and greenish. Tho- 

 rax one-third wider than hmg. 

 distinctly narrower at base; sides 

 nearly straight on apical half, 

 sinuate near the hind angles, 

 which are rectangular; disk with 

 a vague median and a short lat- 

 eral oblique impression each side, 

 finely transversely strigose-punc-- 

 tate. Elytra broadened behind the middle, tijis I'ounded, serrulate; surface 

 densely granulate. I'rosternal lobe truncate in front. Length (VO mm. 

 ( Fig. 309. ) 



Tltroujihoiit the Slate; frequent. -Inne 1-Jnly 2. Occurs on 

 oak, lioney locust and chestnut. A liandsonie and easily recognized 

 species. 



Fig. .309. fi, adult beetle; b, antenna of same; 5, claws iil 

 hind tarsi of female; ', same of male; c, larva; rf, pupa. (Af- 

 ter Chittenden.) 



