O. 22.] HYMENOPTERA OF CONNECTICUT. 305 



front, mandibles mostly, palpi, tubercles, tegulae, a line be- 

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

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

 ;dicel yellowish brown ; flagel pale brown ; portions of legs not 

 ascribed as to color, brownish stramineous ; wings without an 

 eolet. 



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



Orthocentrus Gravenhorst. 



0. nigricoxus Provancher. 



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

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

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

 > piceous; basal dorsal segment and extreme base of second 

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

 Drsum of the abdomen polished ; wings hyaline and with an 

 reolet. 



Brephoctonus (Foerster) Ashmead. 



*B. hygrotrecha Viereck (new species). 



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

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

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

 Imost entirely stramineous ; areolet absent ; ovipositor scarcely 

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

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

 ellow. 



Type locality: New Haven, where the species was taken 1 

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



Hyperacmus Holmgren. 



*H. ovatus Davis. 



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

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

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

 ennae blackish red, palpi yellowish white ; abdomen subclavate ; 

 ts ovipositor slightly exserted. 



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

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

 yho reared the species in May, 1885. 

 20 



