No. 22.] HYMENOPTERA OF CONNECTICUT. 'JJ 



PhYLLOTOMINtE. 



Key to Genera. 



Antennae with second segment about one-half as long as first 



and about as long as broad; clypeus truncate 



Endelomyia p. 77 

 Antennas with second segment subequal in length with first 

 and always much longer than broad; clypeus emarginate. 



Caliroa p. 77 



Endelomyia Ashmead, 



E. ffithiops (Fabricius). Eriocampoides cethiops Fabricius. 

 Monostegia rosce Harris. Rose Sawfly. 



Body black, with the front and middle legs below the knees, 

 and the knees of the hind legs, white; a distinct V-shaped fur- 

 row behind the median ocellus, connecting with an indistinct 

 furrow in front of the postocellar area ; pentagonal area entirely 

 wanting ; lateral f oveae minute ; saw-guides straight above, 

 broadly convexly rounded from base to a point at apex above. 

 Larva feeds on various species of Rosa. Length 5 mm. 



Connecticut (E. N.) ; Branford, 12 May, 1905 (H. W. W.) ; 

 New Haven, 24 May, 1908 (B. H. W.). 



Caliroa Costa. 

 Key to Species. 



1. Clypeus roundly emarginate 2 



Clypeus angularly emarginate 8 



2. Front wings with radial cross-vein and free part of Rt in- 



terstitial or nearly so; body black, with front and middle 

 legs below knees white; walls of pentagonal area distinct, 

 a V-shaped furrow behind median ocellus, lateral walls of 

 pentagonal area continued to bases of antennae where 

 they are enlarged and separated by a distinctly and deeply 

 impressed triangular median fovea; saw-guides long and 

 slender, straight above and below, oblique and bluntly 

 rounded at apex; wings more or less infuscated on basal 



half. Length 6 mm cerasi 



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

 tant 3 



3. Front distinctly impressed around the median ocellus; V- 



shaped furrow always more or less indicated 4 



Front uniformly flat around the median ocellus, without any 

 indication of a V-shaped furrow 6 



4. Supraclypeal area convexly elevated throughout its entire 



length 5 



