MONOGRAPH OF THE NORTFI AMEKTC VN PROCTOTRYPIDiE. 105 



Maxillary ])alpi ."i-Joiiited; labia! i>alpi .'{-jointed. 



Mandibles bidentate at tips. 



Thorax subovate, the prothorax not visible from alwve, contracted 

 into a little neck at the iunction with tlie head; uH'sonotuni snbde- 

 pressed, with .'3 furrows; scutellnni lar<.fe. subconvex, lonj^er than wide, 

 I'onnded posteiiorly and with a distinct freninn; nietathorax short, 

 slightly eniarginate, with U teeth at base. 



Front wings with a larye, oval stignui, a parastignia and a curved 

 stigma 1 vein. 



Abdomen subsessile, ovate, subctnvex abov'e, (convex beneath, the 

 second segment «>ccupying fidly two-thirds of the whole surface, longi- 

 tudinally striated, the following segments very short, th«^ last i>ointed. 



Legs moden . pih)se, the fenjora sMghtly swollen, the jiosterior i)air 

 the thickest, tibiae subclavate, the tibial spurs not very well developed, 

 tarsi shorter than their tibiae 



The genus is distinguished from other genera with 3 mescnotal fur- 

 rows, by the 2 erect teeth or spines at the base of the metath(>rax 

 the larger tiatteued scutelluin, and the longer, denser pilosity of the 

 legs. 



Two closely allied species are known in our fauna, separable as fol- 

 lows : 



FKMAI.KS. 



Lej;s Itliick, base aud tips of tibiae aud tbe tarsi, dark rufous. 

 Autt'ima', except wnuetimcs the tirst 2 Hagellar Joints, black; the first flajicllar 

 joint tbrice as lonj^ as tbe pedicel; nxillie separated from tbe scutelhuu by "> 



larj^e itunctures II. akmatcs Say 



Legs black, trochanters, bases, aud tips of femora, tibia", except at tbe middle aud 

 tarsi, rufous. 

 Antenna" black, tbe si^ape, pedicel and first 2 flagellar joints, rufous; flie first fla- 

 gellar joint less than thrice as long as the pedicel; axilbe separated from 

 the scutellum by S punctures H. fisoipenxks Ashui. 



MALES. 



Axilla' separated from the scutellum by 5 large punctures. 

 First flagellar joint a little longer than the scape; last joint of palpi nearly twice 



as long as the fourth H. akmatis Say 



Axilla' separated from the scutellum by 8 punctures. 



First flagellar joint not longer than the scape; l.wtjoiut of palpi not one-half lonsrer 

 than the fourth H. fcscipenxis Ashm. 



H. fuscipennis Ashm. 



MeiianpilodesfuticipeHnis Ashm., Hull. 3, Kaus. Kx]>. Sta. App., p. ii, 1888. 



$ 9. Length, 3.5""". Shining black, pilose; head and thorax ante 

 riorly rugose, rest of the thorax smooth, the face with a narrow, smooth 

 space in front of the ocelli, antennal depression absent. Maxillary 

 ]»alpi long, the last Joint H times longer than the fourth. Antenu* 

 11-jointed, in 9 imu-assated towanl tips, the scape long, obchivate; the 



