444 



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





/hF/oec///s 



5- 



"^/Tjtr? 



Fig. 12. Thorax of Syntomaspis. 



Key to Families. 

 Hind wings not linear, not pedunculate at base; ovipositor 

 issuing far in front of tip of abdomen; antennae elbowed, 

 and with one, two, or three ring-joints, very rarely without 



rinfe-joints 2 



Hind wings linear, pedunculate at base; ovipositor usually 

 issuing just in front of tip of abdomen; antennae in female 

 most frequently terminating in a distinct fusiform or egg- 

 shaped, solid club, more rarely in a two-jointed club 



MYMARID^ p. 446 

 Tarsi 4- or 5-jointed, fore tibiae armed with a large curved 



spur; antennae usually many jointed 3 



Tarsi usually 4-jointed, rarely 3-jointed; very rarely heterom- 

 erous; fore tibiae with a delicate short straight spur; 

 antennae usually with few joints; antennae at most 9-jointed 15 



Hind femora much swollen 4 



Hind femora not greatly enlarged 5 



Fore wings, when at rest, folded longitudinally; ovipositor 



curved over dorsum of abdomen LEUCOSPIDiE p. 528 



Fore wings never folded; ovipositor not curved over dorsum 



of abdomen CHALCIDID^ p. 526 



Thorax strongly developed, much arched and deeply punctate 6 



Thorax not strongly developed 7 



Stigmal vein not developed; second abdominal segment en- 

 closing other segments EUCHARIDiE p. 525 



Stigmal vein developed; abdominal segments visible 



PERILAMPID^ p. 524 



