No. 22.] HYMENOPTERA OF CONNECTICUT. 339 



13. Female 14 



Male: tegulae yellowish; scape, pedicel, and base of first joint 

 of flagel beneath, brownish stramineous; trochanters mostly 

 yellowish; hind legs with their coxae, femora and tibiae 

 mostly stramineous, the latter dusky at base and apex; 

 hind tarsi mostly dusky; abdomen with first dorsal seg- 

 ment mostly black, second dorsal segment mostly black, 

 but with thyridia stramineous and apical edge reddish, 

 third dorsal segment stramineous and more or less infus- 

 cated, fourth and following dorsal segments mostly black, 

 and with an apical stramineous edge 15 



14. Head and thorax, including scutel, black; first to fifth joints 



of antennae pale brownish stramineous to pale brown; rest 

 of antennae blackish; hind femora and tibiae, and abdomen 

 mostly reddish, fore and mid legs stramineous to brownish 

 stramineous, hind coxae and hind tarsi brownish stramine- 

 ous, hind tibiae apically and their tarsi dusky; exserted por- 

 tion of ovipositor nearly as long as hind tibiae orbifonnis 



Head and most of thorax, including scutel, black; prothorax 

 and mesopleurae partly reddish; legs and antennae much 

 the same in color as in orbiformis as described above; basal 

 three-fourths of first dorsal abdominal segment blackish, 

 second and third dorsal segments with an apical dusky 

 margin, fourth and following dorsal abdominal segments 

 entirely or neairly entirely black or blackish; exserted por- 

 tion of ovipositor about as long as abdomen. . .cressoniformis 



15. Clypeus produced in middle of anterior edge, but without a 



fossa on each side of depression; fourth dorsal abdom- 

 inal segment not aciculate all over laticinctus 



Clypeus produced in middle of anterior edge and with a 

 fossa on each side of the depression; fourth dorsal abdom- 

 inal segment aciculate all over algonquinus 



16. Abdomen entirely black above thyridopterygis 



Abdomen black above excepting the third segment which is 



mostly brownish; scape and pedicel whitish beneath, flagel 

 various shades of brown; legs mostly stramineous to 

 brownish stramineous, fore and mid coxae and trochanters 

 partly or entirely whitish crassiformis 



H. (Orthizema?) areator subspecies tenellus (Say). H. 

 utilis Norton. Scudder, Butterflies of New England, Vol. iii, PI. 

 88, Fig. 4. 



Bred from parasite of Papilio thoas and Anisota senatoria. 



New Haven (S. I. Smith). 

 *H. eximius (Cresson). Mesoleptus eximius Cresson. 



