290 CONNECTICUT GEOL. AND NAT. HIST. SURVEY [Bull. 



Adults 

 Males and Females 



1. Dark area at the base of the hind wings about 4 mm. wide, not 



extending to the costa or as far distad as the triangle. . abdominalis 

 Dark area at the base of the hind wings more than 4 mm. wide 

 and extending to the costa and distad to the triangle 2 



2. Superior appendages of the male as long as segment 9 plus 10; 



female with vulvar lamina not quite as long as 9, its apical three- 

 fourths divided, forming 2 lobes with apices entire Carolina 



Superior appendages of the male as long as the last three (8, 9 

 and 10) segments together; vulvar lamina of the female half 

 as long as segment 9, bilobed, the apices of the lobes emarginate 



lacerata 



Tramea abdominalis (Rambur) 



Histoire naturelle des insects. Neuropteres, 2)7 '• 1842. 



Adult, male. — Color dark brown. 



Head and thorax : uniform brown, legs darker distad ; wings 

 with brown spot only on the anal angles of the hind wings and not 

 including a pale streak on the mesal margin (PI. xv, Fig. 2). 



Abdomen : brown with black dorsal triangles on segments 8, 

 9 and 10; superior anal appendages 4 mm. long, the inferior 

 slightly less than half this. 



Female. — Vulvar lamina as long as segment 9, each plate broad 

 and rounded at tip. 



Measurements : total length, male 47, female 46 mm. ; length 

 of abdomen, male 26-28, female 27 mm. ; length of hind wings, 

 male 40, female 40 mm. ; width of hind wings, male and female, 

 14-15 mm. 



New England. — August. 



Tramea Carolina Linnaeus 



Amoenitates Academicae, 6: 411: 1763. 



Adult, male. — Color dark brown and black. 



Head : labium with black or brown mentum, and reddish brown 

 palpi ; labrum and clypeus brown, front mostly brown or black ; 

 vertex broad, apex not concave ; occiput and postgenae brown. 



Thorax : uniform brown, caudal margin of the pronotum entire 

 and with few or no hairs ; legs black, the coxae, trochanters, and 

 part of the femora brown ; tarsal claws, with teeth much beyond 

 the middle ; hind wings with a large brown area at base, covering 

 the entire width of the wing for about half the distance between 

 base and nodus, and enclosing a small clear spot on the anal 

 angle ; median or basilar space also clear in some ; front wings 

 with a touch of brown at the extreme base ; anal angle of the hind 

 wings much enlarged and with numerous small narrow cells. 



Abdomen : brownish red, terga 8, 9 and sometimes 10 black 

 above ; anal appendages brown, as long as terga 9 plus 10, the 



