No. 22.] HYMENOPTERA OF CONNECTICUT. 3II 



ipper edge of pronotum, yellow ; scutel and postscutel each with 

 1 transverse yellow mark ; scape and pedicel brown ; mandibles 

 riack ; wings rather yellowish brown ; legs almost entirely stra- 

 mineous to reddish stramineous, except tips of mid and hind fem- 

 ora above and more or less of mid and hind tibiae and tarsi, which 

 ire more or less brown ; exserted portion of ovipositor about as 

 ong as the body ; yellow bands on dorsum of abdomen conspicu- 

 ous. Male: differs in having all of the face below antennae ex- 

 :ept clypeus and mandibles which are mostly black, first, second, 

 :hird and fourth joints of antennae partly, lower margin of pro- 

 lotom, fore and mid coxae and trochanters and articulating ends 

 of fore and mid tibiae and of hind coxae and tibiae basally, more 

 or less luteous or yellow ; otherwise about as in the female, but 

 with the hind femora mostly brown above, reddish below ; first, 

 second, third and fourth dorsal abdominal segments each with 

 in apical yellow band. 



Odontomerus Gravenhorst. 



Wings transparent, with a dark tint ; head and thorax almost 

 entirely black ; exserted portion of ovipositor nearly one and one- 

 lalf times as long as the body, which is 15 mm. long or less. 



Key to Species. 



Abdomen and legs almost entirely reddish tricolor 



Abdomen black; legs, except hind tibiae and tarsi, which are 

 brown, reddish stramineous or stramineous mellipes 



O. mellipes Say. 



New Haven, 14 August, 1905, Colebrook, 21 July, 1905 (H. 

 L. V.) ; Yalesville, 17 June, 1903 (W. E. B.). 

 0. bicolor Cresson. 



Phytodietus Gravenhorst. 

 Mostly black; wings hyaline; legs mostly reddish; abdomen 

 oanded with yellow above; exserted portion of ovipositor some- 

 what longer than the abdomen. Length 4-9 mm. 



Key to Species. 



Dorsulum without maculations; hind legs reddish, except 

 their tibiae and tarsi, which are mostly brown distinctus 



