PARASITIC IlY.MKNol'TKliA. 217 



Subfamily Ai.ysiin,k. 



:VII-:SO<'Ri:WA FSrster. 



Iflesocrinal?) niicrorlio|>ala> sp. n. 



%. — Length 1.6 mm. Head and tliorax i)olislie(l black; two basal Jdint.s of 

 antonna', niiiiidibles, legs and abdomen, excejit a blotch above on disc of second 

 segment and the third segment, except margins, brownish yellow ; antennae much 

 longer than the body, filiform, 21-jointed. Thorax with two very delicate, almost 

 impercei)til)le grooved lines, the scutelluni with a large, crenate furrow acro.ss the 

 base; meUithorax short, sparsely punctate, truncate behind, the superior edge of 

 truncature carinated. Wings hyaline, the stigma and veins dark brown, the 

 former large, ovate, the recurrent nerviire interstitial, the second submarginal 

 cell about twice as long as the first. Abdomen oblong oval, conaposed of only 

 three segments, the second the longest, the first and third nearly etjual ; the firet 

 and second are finely, closely, rugosely punctate, the tliird smooth and highly 

 polished. 



Hub. — Roslyii, Va. 



Described from a single specimen bred by JNIr. F. H. Chittenden 

 from Microrhopala xerene Newm., and others taken with the sweeping 

 net. 



Subfamily CiiALCiDiNiE. 



KJVIACA Kirby. 



Eniaca texana sp. n. 



9- — Length 4..^ mm. Black, umbilicately punctate and clothed with sparse, 

 silvery white hairs, the thorax above with a slight aineous tinge; anterior and 

 middle legs and hind tarsi red. Wings hyaline, the veins piceous, the marginal 

 vein very long, slender, a little longer than the submarginal, the stigmal and 

 postmarginal veins not developed, the former being represented by a small sessile 

 knob. Head prolonged in front of the eyes with a deep median emargination, 

 the inner and outer margin of each lobe being carinated and connected at apex 

 with a carina, beneath which extends along the inner margin to the insertion of 

 the antennae; antennaj 13-jointed. black, in.ierted near the mouth, the scajie ob- 

 clavate, rufous; metanotum long, with several irregular raised lines, the lateral 

 margins from about the middle excised in conformity to the coxal ca,vities, the 

 apex slightly roundedly emarginated for the reception of the short, rugose and 

 carinated petiole. Abdomen subglobo.se, polished, except the second segment 

 above on the basal half; the .second segment occupies most of the surface, the 

 following segments being veiy short and more or less retracted within the large 

 second segment; anterior and middle femora clavate. the hind femora greatly 

 swolleii and armed beneath with many minute teeth. 



Hab. — Texas. 



Types in National Museum. 



Described from two 9 specimens, one labeled " Texas, Belfrage," 

 the other "College Station, Texas, Banks." 



TRANS. AM. KNT. SOC. XXIII. (28) JUNE, 1896. 



