No. 22.] HYMENOPTERA OF CONNECTICUT. 305 



in front, mandibles mostly, palpi, tubercles, tegulse, a line be- 

 neath the latter, mesosternum on each side, fore and mid coxae 

 and trochanters, hind coxae beneath, and their trochanters, yellow ; 

 pedicel yellowish brown; flagel pale brown; portions of leg* not 

 described as to color, brownish stramineous ; wings without an 

 areolet. 



Woodmont, 9 July, 1904 (P. L. B.). 



Orthocentrus Gravenhorst. 

 °0. nigricoxus Provancher. 



Female and male : length 3 mm. ; mostly black ; legs pale, hind 

 femora and coxae blackish to black ; face and scape beneath dark 

 reddish in the female, lemon-yellow in the male; abdomen black 

 to piceous; basal dorsal segment and extreme base of second 

 dorsal segment of the abdomen finely pitted, the remainder of the 

 dorsum of the abdomen polished ; wings hyaline and with an 

 areolet. 



Brephoctonus (Foerster) Ashmead. 

 *B. hygrotrecha Viereck (new species). 



Female : length 3 mm, ; mostly black above, except apical half 

 of abdomen, which is brownish ; face, mouth-parts and antennae 

 brown, palpi yellowish ; venter of abdomen mostly yellowish ; legs 

 almost entirely stramineous ; areolet absent ; ovipositor scarcely 

 exserted; tegulae yellowish. Male: differs from female in the 

 scape being yellowish in front, and in the face, which is lemon- 

 yellow. 



Type locality: New Haven, where the species was taken i 

 June, 1904 (H. L. V.), running on water. 



Hyperacmus Holmgren. 

 *H. ovatus Davis. 

 Female : length 4 mm. ; mostly black, with legs honey-yellow ; 

 the hind coxae, however, may be blackish ; antennae dusky red, 

 paler at base than elsewhere, a protuberance beneath the an- 

 tennae blackish red, palpi yellowish white ; abdomen subclavate ; 

 its ovipositor slightly exserted. 



Bred from the clothes-moth of the genus Tinea on two differ- 

 ent occasions, once by Dr. C. V. Riley, and again by one J. H. E., 

 who reared the species in May, 1885. 

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