800 



FA MI 



,Y XXXIX. BUPEESTID/E. 



c. Sides Of thorax wiih yellowish pubescence; elytra each with a yel- 

 Io\v pubescent stripe ; hind angles of thorax not carinate. 



1518. BILINEATUS. 



cc Elytra without a yellow pubescent stripe. 



d Elytra with more or less evident pubescent spots; last ventral 

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



GEANUIATUS. 



' grooved. 

 dd. Elytra without pubescent spaces 



e Last ventral segment obtuse or truncate ; first and second ven- 

 trals of male with a smooth deep groove. blanchardi. 

 cc Last ventral segment (jval at tip. 



f. Hind angles of thorax carinate in both sexes ; first veutral 



of male broadly grooved. 1519. anxius. 



ff Hind angles of thorax not carinate; first ventral of male 



nearly flat. 1520. acutipennis. 



Ill Last dorsal segment without a projecting carina. 



a Blvtra without pubescent spaces; prosternal lobe truncate or feebly 



. ^.„ 1521. POLITLS. 



emargmate. 

 ijg. Elytra with pubescent spaces. 



;, Prosternal lobe entire; middle pubescent space of elytra rounded. 



1522. FAI.LAX. 



Ml. Prosternal lobe deeply emargiuate ; first joint of hind tarsi longer 

 than half the tibiie; middle pubescent space of elytra elongate. 



152.3. OBSOLETOGUTTATUS. 



.1. vittaticollis Rand., length 8-9.5 mm., i> said to occur from 

 "Massachusetts westward to Illinois." 



ir,1S (4727). 



AoRiLrs BILINEATUS Web., 



Obs. But, ISO], 74. 



Elongate, moderately robust. 

 Above black, with often a slightly 

 greenish tinge; sides of thorax 

 and a narrow stripe reaching 

 from humerus to beyond middle 

 of each elytron clothed with 

 dense yellow pubescence ; beneath 

 more shining and greenish. Tho- 

 rax one-third wider than long, 

 distinctly narrower at base; sides 

 nearly straight on apical half, 

 sinuate near the hind an,i;les. 

 which are rectangular ; disk with 

 a vague median and a short lat- 

 eral oblique impression eai-h side, 

 finely transversely strigose-puuc- 

 Elytra broadened behind the middle, tips rciunded, serrulate; surface 



densely granulate. Prosternal Uibe trioleate in front. Length (V!) nun. 



(Fig. 309.) 



Throughout the State; frequent. June 1-Jttly 2. Occurs on 

 oak, h(ine\' Incust .-iiid chest nut. A handsome and easily recognized 

 species. 



Fig. 309. a, adiilL beetle; b, antenna of same: ^, clawsi of 

 hind tarsi of female: ', same of male; c, larva; (/, pupa. (.\f- 

 ter Chittenden.) 



tate. 



