45 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



3. Scutel with two furrows; scape not especially thickened; $ 

 antennae in male o-jointed, without ring-joints, in female 



10-jointed, with two ring-joints and a 3-jointed club 



Tetrastichus p. 453 

 Scutel with two or four furrows; antennae 8- or 9-jointed, 

 with one ring-joint; mesonotum without a median grooved 

 line; abdomen rotund, shorter than thorax but wider. 

 Female: pronotum not conical; head and thorax smooth 

 or nearly so, at most only sparsely punctate; propodeum 

 smooth, with a delicate median carina. Male: fully winged; 

 black, or at least aeneous black Syntomosphyrum p. 452 



Anozus Foerster. 

 A. siphonophorae Ashmead. 



Female : length 1 mm. ; black, smooth, shining 1 , impunctate ; 

 front deeply emarginate, antennae black; mesothorax broader 

 than long, parapsidal furrows deep, pleura blue-black; all coxae 

 black, trochanters, tips of femora and tibiae, and all tarsi, yellow- 

 ish; wings hyaline, veins pale brown, marginal vein about as 

 long as the submarginal, postmarginal vein absent; abdomen 

 sessile, ovate, yellowish at base. 



Reared from plant lice of the genus Nectarophora. ' 



Syntomosphyrum Foerster. 

 S. orgyiae Ashmead. 



Female : length 0.9 mm. ; mostly polished black ; scape and legs 

 brown; the knees and tips of tibiae whitish, femora obfuscated in 

 the middle; flagel brown, pubescent, the funicular joints scarcely 

 longer than thick ; wings hyaline, pubescent, veins light brown ; 

 abdomen orbicular, subsessile, much shorter but a little wider 

 than the thorax, its segments nearly equal in length. 



Reared from the white-marked tussock moth (Hemerocampu 

 leucostigma). 



S. esurus Riley. Cirrospilus esurus Riley. 



Length 1.5 mm.; mostly dull black; joints of flagel in male 

 subequal in length and beset with bristles, antennae in female with 

 the fourth and fifth joints shorter than the second and third, the 

 last three joints forming a club; female antennae 8-jointed; 

 male antennae 9-jointcd ; thorax above microscopically punctate, 

 parapsidal grooves distinct and elevated; wings hyaline, pubes- 

 cent; knees, tibiae, and tarsi yellowish, the posterior tibiae some- 

 times dusky; abdomen ovate, sessile. 



