No. 39] ODONATA OF CONNECTICUT : LIBELLULIDAE 



229 



Abdomen: dorsum with numerous hairs generally distributed, 

 but not uniform in length, those on the lateral and posterior 

 margins of 9 and on the dorso-lateral parts of the hind margins 

 of 6-9 elongated, forming conspicuous tufts on each side ; dorsal 

 hooks absent; lateral spines absent or represented on 9 only by a 

 very minute tooth. 



Measurements: length, 19-20 mm.; width of abdomen, 6.6-7.1 

 mm. ; length of hind femora, 5-5.5 mm. 



Adult, male. — Color metallic green and black. 



Head : pale color of the front on the ventral margin continuous. 



Thorax: conspicuous oval yellow spots, two on each side. 



Fig. 54. 

 chlora forcipata, 

 Walker.) 



Somato- 

 (From 



Fig. 55. Somatochlora forci- 

 pata, anal appendages of adults. 

 (From Howe.) 



Abdomen: without pale rings, but with pale spots on the 

 cephalo-lateral angles of segments 5 to 7 inclusive ; anal appen- 

 dages black, the superiors in dorsal view without lateral angles, 

 and f orcipate ; inferiors more than half the length of the superiors, 

 narrowed at tip and not so broad as at base (Fig. 55). 



Female. — Vulvar lamina (Fig. 55) entire; not so long as the 

 height of segment 9 and extending nearly or quite to the caudal 

 margin of the segment ; cephalo-lateral pale spots on abdominal 

 segments 4 to 8, that on 8 smaller. 



Measurements: total length, male 45-50, female 46-51 mm.; 

 length of abdomen, male 33-34, female 33-36 mm. ; length of hind 

 wings, male 31-32, female 30-33 mm.; width of hind wing, male 

 and female, 9-10 mm. ; length of stigma, 2 mm. 



New England. — May-August. 



