No. 22.] HYMENOPTERA OF CONNECTICUf. 3O3 



*D. concinnus (Cresson). 



Female : length 5.5 mm. ; mostly black ; anterior orbits, clyp- 

 eus, mandibles mostly, palpi, tegulse, a spot in front of tegulse, 

 two spots beneath tegulse, scutel, and postscutel, lemon-yellow; 

 clypeus bilobed at tip; wings hyaline, veins and stigma brown, 

 areolet wanting; legs mostly pale honey-yellow, fore coxae, all 

 trochanters, and tips of femora, yellow; hind tibiae white, the 

 tips of the latter and their tarsi entirely black. 



Type locality: Connecticut (E. N.). 



D. laetatorius (Fabricius). 



Female: length 5 mm.; mostly black; antennae dark brown 

 above, pale brown beneath, inner orbits with a luteous margin; 

 clypeus, most of mandibles, and a small spot on the malar space, 

 luteous; palpi, a marginal mark on each side of mesonotum, 

 tegulae, a mark in front of and below the latter, base of wings, a 

 quadrate mark on scutel, and a transverse line on the postscutel, 

 luteous; abdomen beneath mostly brownish stramineous to 

 brown, dorsum of abdomen with the basal joint, except the 

 apical margin, which is reddish, and the second and third seg- 

 ments, which are reddish, mostly black; legs stramineous to 

 brownish stramineous, except the hind tibiae, which are orna- 

 mented by four different annuli, as follows : basal annulus brown, 

 about .5 mm. long, followed by a yellowish white annulus of 

 about the same length, and the latter followed by a brown annulus 

 less than .2 mm. long ; apical .5 mm. of this joint with a stramin- 

 eous annulus; tarsi of hind legs brown. 



This species is cosmopolitan. It has been taken in New 

 Haven, 15 July, 1904 (W. E. B.) ; West Haven, 27 June, 1905 

 (H. L. V.) and occurs, no doubt, throughout the state. 

 *D. sycophanta (Walsh). 



Female and male: length 4-6 mm.; mostly black; anterior 

 orbits in the female, entire face in the male, clypeus, mandibles, 

 palpi, a spot on each side of the propodeum, the tegulae, two spots 

 beneath the latter, a spot beneath the hind wings, the scutel, and 

 more or less of the fore and mid coxae and trochanters, white or 

 yellowish white ; hind tibiae and their tarsi black, except a broad 

 white annulus ; in some cases the hind tibiae tricolored with black, 

 white, and reddish, or reddish and white; wings hyaline, veins 



