MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYITD.E. 1(53 



Described from four si)eciiueiis received from Mr. E. T. Ci*esson, 

 reared from tlie egi^s of Fodif^ii.s .spinosKs Dallas. 



Trissolcus thyantee, sp. iiov. 



9 . Leiijjftli, 0.8 to 1""". Black, subopaqiic, closely, finely, minutely 

 punctnlate; mandibles luceons; legs black, tips of all tlie femora and 

 the tibia^ and tarsi, liouey-yellow. Antennic 11 jointed, black, the j^edi- 

 cel shorter than the first funiclar joint, the second quadrate, the third 

 very small, transverse. 



Thorax with 3 abbreviated impressed lines posteriorly; scutellum 

 smooth, i)olishcd. Wings hyaline, pubescent, the venation pale brown- 

 ish-yellow, the marginal vein about one-third the length of the shaft of 

 the stigmal. Abdomen broadly oval, truncate at tip, the first segment, 

 and the second at base, coarsely striate. 



Habitat. — Selma, Ala. 



Types in National Museum. 



Described from specimens reared by Mr. E. A. Sclnvarz from the 

 eggs of Tliyanta custatorj but which were wrongly determined as those 

 of l*odisus spinosus. The species comes near T. podisi, but differs in 

 size, color of the legs, punctuation, and in venation. 



Trissolcus murgantiae, sp. uov. 



S 9 . Length, 1 to 1.4""". Black, rugose, the abdomen smooth, 

 polished; first abdominal segment striate; trochanters, knees, distal 

 ends of tibijc, and tarsi, dark honey-yellow; wings hyaline, the venation 

 pale brownish, the marginal vein about as long as the stigmal. The 

 female is the larger, with the face rugose or closely punctate; antennaj 

 11-jointed, wholly black or brown-black, the pedicel a little longer than 

 the first fiagellar joint; funiclar joints 2, 3, and 1 transverse, the third 

 the largest; club 5-jointed, slightly wider than the last funiclar joint, 

 the last joint minute; mandibles black. 



The male averages only 1""" in length, with the lace almost suiooth 

 or only faintly punctate; antenuie 12-jointed, filiform-moniliform, the 

 scape brownish yellow, fiagellum brown-black, with all the joints, ex- 

 cept the first and last, moniliform; the last fusiform, twice as long as 

 the penultimate; mandibles rufo-piceous. 



Habitat. — Baton Rouge, La. 



Types in National Museum. 



Described from several specimens reared by Mr. H. A.Morgan, from 

 eggs of the cabbage bug, Murgantia histrionica Hahn. Comes nearest 

 to T. thyanUe and T. rufiscapun, but is distinguished from them by 

 sculpture, color, and ditterences in the anteume. 



Trissolcus rufiscapus, sp. nov. 



9. Length, 1.4""". Black, subopaque, very finely i)unctate; front 

 sliining, finely, feebly punctate: a large fovea above the (•lyj)eus; legs 



