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



5. Clypeus triangular in outline, median portion two or three 



times as long as lateral portions; claws cleft, two parts 



of cleft parallel Paraxyela p. 31 



Clypeus not triangular in outline, median portion but little 

 if any longer than lateral portions; claws with an erect 

 tooth at middle 6 



6. Front wings with free part of Sca almost twice as long as 



free part of Sci; Sci much more oblique than SC2; cell R» 

 usually divided by a supernumerary cross-vein; clypeus 

 much broader at middle than at lateral emarginations .... 



Protoxyela p. 31 

 Front wings with free part of Sc2 subequal in length with 

 free part of Sci; Sci and Sc2 inclined at about the same 

 angle; cell Rs never divided by a supernumerary cross- 

 vein; clypeus only slightly if at all broader at middle than 

 at lateral emarginations '. . .Macroxyela p. 31 



Pleuroneura Konow. 

 °P. brunneicornis Rohwer. 

 Body black, with the mandibles, a line on the pronotum, and 

 the tegulas, pallid ; clypeus, labrum, palpi, legs, venter, and three 

 apical abdominal segments, rufo-fulvous ; hind tibiae infuscated ; 

 clypeus truncate with a triangular tooth at middle ; antennal fur- 

 rows indistinct above the middle of the head; no fovea at side 

 of lateral ocelli. Length 6 mm. 



Xyela Dalman. 

 °X. minor Norton. 

 Body yellowish, with indistinct or subdistinct brownish spots 

 on the three basal segments of the antennas, a parenthesis-shaped 

 spot each side of the ocelli, two spots on each lateral lobe of the 

 mesonotum; third segment of the antennae distinctly shorter than 

 all the following segments together and longer than the first 

 and second together; ovipositor slender, longer than the abdo- 

 men; wings elongate, projecting one-half their length beyond 

 the apex of abdomen. Length 4 mm. Larva feeds on stami- 

 nate flowers of Pimts. 



Odontophyes Konow, 



°0. avingrata (Dyar). 



Body steel blue, with the following parts yellow^ : the 

 labrum, bases of the mandibles, palpi, bases of the antennae, tips 



