'. PTENUS. 5] 



PTENUS. 



Nort. 1 A i ■ 5 iv. p. 77 I 1872 



A •. /. c ii. p. 367 (186! 



v . Land. l v 7>, p. 145. 



1. Ptenus serratus. 

 -. 2 & ■ 



M - . .". lin. 



1 poll., . »'» lin. 



ick, shining ; abdomen 



into testaceous below. 



I I wdce the length of 



i with a strong 



ibliquely ; third 



rax, pectus, 



lorax 



. appear- 



with pi 



right 

 • 



I i 1,1 



lines the 

 and 



: CCepI :it 



: »ints of the 



ur subi 



. :i bulla 



■ t-brown 



than in 



Hind wings 



■ 



The extreme 

 ratus. 



i Smith, Esq 



■J. Ptenus sulcicornis. 



-A 1 B78, p. 146. 



Ptenus americanus. 



■ 55, ii. 6 1 17"'- 



10(1814). 



E _ 



