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



*M. waldeni Viereck (new species). 

 Type locality : New Haven, 23 June, 1905 (B. H. W.). 

 *M. quintilis Viereck (new species). 

 Type locality: New Haven, 4 July, 1905 (H. L. V.). 

 °M. actuosus Riley. 



Reared from Ceratomia amyntor. Cocoons in masses, without 

 ribs, and arranged like the cells in a honeycomb. 

 M. h5^hantriae Ashmead. 



Reared from Hyphantria cunea and from a Noctuid larva on 

 apple leaves; the former record is by Prof. S. A. Forbes, the 

 latter by Dr. George Dimmock. 



*M. varicolor Viereck (new species). 

 Type locality: Putnam, 12 July, 1905 (H. L. V.). 

 M. melianae Viereck, var. 



The typical form of this species has been reared from the 

 fifth-stage caterpillar of Meliana albilinea by Mr. R. L. Webster 

 at Ames, Iowa. 



West Haven, 27 June, 1905 (H. L. V.). 

 °M. Sp. 



A parasite of the army worm, (Leucania, Heliophila) Cirphis 

 unipuncta. 



Microbracon Ashmead. 



Key to Species. 



1. Abdomen not sculptured or virtually sculptureless, second 



segment without furrows; dorsulum at least partly black; 

 propodeum without a median longitudinal carina or sculp- 

 ture from base to middle or beyond 2 



Abdomen more or less sculptured 3 



2. Dorsulum entirely black, all femora more or less black or 



blackish, hind femora with apical half stramineous wawequa 

 Dorsulum partly reddish sebequanash 



3. Abdominal sculpture not confined to first, second, and third 



dorsal segments 4 



Abdominal sculpture confined to first and second dorsal seg- 

 ments 20 



4. Propodeum sculptured or carinate from base to apex S 



Propodeum neither sculptured nor carinate from base to apex 9 



5. Propodeum sculptured all over 6 



Propodeum not sculptured all over, but with a carina or sculp- 

 ture from base to middle or beyond; fifth dorsal abdom- 



