No. 22.] HYMENOPTERA OF CONNECTICUT. 79 



Frontal crest not elevated above general level of the basin 

 above it; walls of pentagonal area distinct, but broadly- 

 rounded, broadly expanded at their ventral ends, parenthe- 

 sis-shaped, the curve being turned outward, forming a 

 frontal crest not strongly raised above the surface adjacent 

 , to it, deeply broken at the middle; body black, with legs 

 below middle of the femora white, more or less fuscous in 

 places; third segment of antennae not as long as fourth and 



fifth together; wings infuscated. Length 4 mm 



quercus-coccinea 

 8. Supraclypeal area broadly convex, not with an elevated 

 ridge at the middle; body black, with front and middle legs 

 beyond knees fuscous white; pentagonal area indefinite, 

 the V-shaped area indicated, lateral ridges continued to 

 bases of antennae; median fovea triangular in outline, with 

 rounded walls; antennae with third segment as long as 

 fourth and fifth together; saw-guides straight on upper and 

 lower margins, obliquely truncated and with a blunt point 

 at the apex above; wings more or less infuscated. Length 

 5.5 mm fasciata 



Supraclypeal area elevated at the middle into a prominent 

 carina; body black, with legs beyond knees white; pentag- 

 onal area well defined, with a distinct V-shaped furrow 

 behind the median ocellus; median fovea indefinite, trans- 

 verse; third segment of antenna not as long as fourth and 

 fifth together; saw-guides straight above, slightly convexly 

 rounded, somewhat truncated at apex above; wings hya- 

 line. Length 4.5 mm lata 



C. cerasi (Linnaeus). Eriocampoides limacina Retzius. 

 Selandria cerasi Peck. Eriocampa cerasi Peck. Pear Slug. 

 Larva is reported as feeding on Pyrus, Prunus, Ruhus, Amyg- 

 dalus, Cratccgus, Betula, and Quercus. Connecticut (E. N.) ; 

 New Haven, 20 June, 1905 (H. L. V.). 



°C. lorata MacGillivray. 



°C. lunata MacGillivray. 



*C. quercus-alba (Norton). Selandria quercus-alha Norton. 

 Monostegia quercus-alba Norton. Larva feeds on white oak. 

 Farmington (E. N.). 



°C. lobata MacGillivray. 



*C. obsoleta (Norton). Selandria obsoleta Norton. Larva 

 feeds on wild cherry. Poqupnock, New Haven (H. L. V.) ; 

 Branford, 20 May, 1905 (H. W. W.). 



