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



a spot around ocelli and occiput, pronotum, tegulae, legs, 

 and venter of abdomen, luteous; saw-guides straight above 

 and broadly convexly truncated from the base to a point above 



at apex. Length 4 mm. minuta 



Median fovea distinct, circular in outline, deep, and longer than 

 broad; body in female black, with head except a spot around 

 ocelli and occiput, prothorax, tegulae, legs beyond mid- 

 dle of coxae, and abdomen except more or less at base, rufous ; 

 clypeus broadly, shallowly, roundly emarginate; saw-guides 

 straight on upper margins, convex on lower, and obliquely 

 convexly truncated at apex; male differs in having body 

 almost entirely black. Length 6 mm nodus 



E. maculata MacGillivray. 

 E. salicicola Smith. Larva makes galls on stems of Salix 

 alba. New Haven, 19 April, 1910 (B. H. W.). 



*E. orbitalis Norton. Larva makes galls on stems of Salix 

 humilis. Connecticut (E. N.) ; New Haven, 1, 8 June, 191 1 (A. 

 B. C). 



E. ovum Walsh. Larva makes galls on stems of Salix 

 cor data. 



3 E. nigra Provancher. Larva makes a witch's broom on 

 Salix. 



E. minuta MacGillivray. 



E. nodus Walsh. Larva makes galls on stems of Salix 

 longifolia. 



Blennocampin.^e. 

 Key to Genera. 



1. Gens broad and distinct, the eyes being distant from the base 



of the mandibles 2 



1 Genae narrow and indistinct, hardly more than a line beneath 



the eyes 9 



2. Claws simple, without a tooth 3 



Claws always with a tooth, the tooth sometimes small 4 



3. Antennae with third segment always distinctly longer than 



fourth Pareophora p. 143 



Antennae with third segment subequal in length to fourth 



Neopareophora p. 144 



4. Claws with a small tooth within before the apex 5 



Claws cleft at apex, inner tooth nearly as long as outer.. 7 



5. Mesothoracic episternum with a transverse suture near its 



cephalic margin separating off a presternum 



Neotomostethus p. 144 



