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



Afe/&/70/t//77 



r - ofct/Ze/- *) / / => ro / ooc/eo'/77 



ft-epec/t/s 



jO//77efL077 



Fig. 12. Thorax of Syntomaspis. 



Afe/qoA 



7 uny7 



Key to Families. 



1. Hind wings not linear, not pedunculate at base; ovipositor 



issuing far in front of tip of abdomen; antenna? elbowed, 

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



ring-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.E p. 446 



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



spur; antenna usually many jointed 3 



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

 erous; fore tibia? with a delicate short straight spur; 

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



3. Hind femora much swollen 4 



Hind femora not greatly enlarged 5 



4. Fore wings, when at rest, folded longitudinally; ovipositor 



curved over dorsum of abdomen LEUCOSPIDyE p. 528 



Fore wings never folded; ovipositor not curved over dorsum 

 of abdomen CHALCIDIDyE p. 526 



5. Thorax strongly developed, much arched and deeply punctate 6 

 Thorax not strongly developed 7 



6. Stigmal vein not developed; second abdominal segment en- 



^ closing other segments EUCHARID^: p. 525 



Stigmal vein developed; abdominal segments visible 



PERILAMPID.*: p. 524 



