No. 22.] HYMENOPTERA OF CONNECTICUT. I43 



Mesothoracic episternum without a transverse suture near 

 its cephalic margin 6 



6. Antennae with third segment distinctly longer than fourth 



Ardis 

 Antennae with third segment subequal to or shorter than 

 fourth Rhadinoceraea p. 144 



7. Antennae with third segment subequal in length to fourth 



Hypargyricus p. 144 

 Antennae with third segment always distinctly longer than 

 fourth 8 



8. Hind wings of female with first anal cell never constricted 



or petiolated at apex Isodyctium p. 145 



Hind wings of female with first anal cell always distinctly 

 constricted and petiolated at apex Periclista p. 146 



9. iNIesothoracic episternum with a transverse suture near its 



cephalic margin, separating off a presternum 



Tomostethus p. 148 

 Mesothoracic episternum not with a transverse suture near 

 its cephalic margin 10 



10. Claws simple, without a tooth Monophadnus p. 148 



Claws always with a tooth, the tooth sometimes small 11 



11. Claws with one or more teeth within before the apex 12 



Claws cleft at apex 13 



12. Claws with an erect tooth at middle Paracharactus p. 150 



Claws with two erect teeth at middle Neocharactus 



13. Hind wings with transverse part of M2 present 14 



Hind wings with transverse part of M2 wanting 16 



14. Antennae with third segment subequal to or shorter than 



fourth Phymatocera p. 150 



Antennae with third segment always longer than fourth 15 



15. Front wings with radial cross-vein and free part of R* in- 



clined at the same angle Monophadnoides p. 151 



Front wings with radial cross-vein and free part of R4 in- 

 clined at different angles Aphanisus p. 153 



16. Front wings with radial cross-vein and free part of R* in- 



clined at same angle Blennocampa p. 154 



Front wings with radial cross-vein and free part of R4 in- 

 clined at different angles Erythraspides p. 155 



Pareophcra Konow. 



"P. floridana (Cresson). Selandria Horidana Cresson. 

 Blennocampa floridana Cresson. 



Body shining black, with the mandibles rufous at base, the 

 tegulae and collar white, and the legs beyond the coxje luteous. 

 more or less suffused with fuscous ; wings infuscated, veins and 

 stigma black. Length 5 mm. 



