No. 22.] HYMENOPTERA OF CONNECTICUT. 34I 



*H. laticinctus Ashmead. 

 Type locality: New Haven, June, 1880, reared from a para- 

 site of (Leucania, Heliophila) Cirphis unipuncta. 



Stilpnus Gravenhorst. 



S. americanus Cresson. 



Length 4-4.5 mm. ; mostly black ; antennae brown ; legs brown- 

 ish stramineous; coxae, except hind pair, more or less brownish 

 to brownish stramineous, hind pair mostly blackish, partly dark 

 brown. 



New Haven, 20 June, 1905 (W. E. B.). 



Phaeogenes Wesmael. 

 Key to Species. 



1. Head and thorax mostly black; abdomen more or less red- 



dish 2 



Mostly or entirely reddish 4 



2. Abdomen black at apex; antennae with a pale annulus 3 



Abdomen entirely reddish, at least above; clypeus, antennae 



and legs mostly pale reddish; mandibles and tegulae yellow; 

 wings subhyaline, hind tibiae and hind tarsi dusky. Length 

 9-10 mm fungor 



3. Length 9-10 mm.; mostly black; legs, except tips of hind 



femora and tips of hind tibiae, and abdomen, except ulti- 

 mate, penultimate and antipenultimate segments, reddish; 

 flagel with a white annulus and with its first, second and 

 third joints reddish; wings faintly dusky; hind coxae toothed 

 near apex; male with antennae black, except for a white 



annulus on flagel; femora and hind tibiae black hebrus 



Length 4.7-6.2 mm.; mostly black; mandibles except tips 

 and base of flagel, yellowish, latter with a whitish annulus; 

 tegulae whitish; legs, except knees of hind pair and tips of 

 hind tarsi, yellowish red, as are second, third and fourth 

 dorsal abdominal segments; wings hyaline; hind coxae 

 toothed at apex hebe 



4. Head mostly or entirely reddish 5 



Head, apex of abdomen, hind femora and hind tibiae, black; 



wings subhyaline. Length 10 mm quadriceps 



5. Ultimate, penultimate and antipenultimate abdominal seg- 



ments black, at least above; antennae in some individuals 

 more or less black above and at tip, and with a whitish 



annulus on the flagel; wings hyaline. Length 6.7 mm 



vincibilis 

 Apical ventral abdominal segment blackish at tip, as are an- 

 tennae at their tips; antennae pale at base, with a pale an- 



