MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPU)^. 319 



a fine silky pubescence. Metapleura sericeous. Tegulie riiloius. Wiugs 

 hyaline, pubescent. Lej>s, including coxa?, dark rufous. Abdomen 

 oblong-oval, about as long as the thorax, the petiole and the Ibveolse 

 at base of second segment striated. 



Habitat. — St. Louis, Mo. 



Types iu National Museum. 



Described from 2 S si)ecimcns, bred February 24, 1872, by Dr. C. V. 

 Rdey, from the Tenthredinid gall Enura s.-nodus Walsh. 



The species is uncpiestionably parasitic on the inipiiliuous C'ecido- 

 myious Hies known to inhabit this gall, and not on the Tenthredinid. 



Polygnotus angulatus, 8p. nov. 



$ . Length, 1.2""". Black, shining; head wide, shagreened, the ver- 

 tex angularly produced over the e^a's, transversely aciculated; lateral 

 ocelli far away from the eye. Anteiuue 10-Jointed, black, the pedicel 

 as long as the first and second funiclar joints united, first funiclar joint 

 miiuite, the second dilated toward apex, the apex truncate; club 

 G-jt)inted, the first joint slightly the smallest, the others, except the last, 

 only a little longer than thick. 



Mesonotum with two distinct furrows; scutellum transversely ele- 

 vated, convex; metathorax very short, the pleura pubescent. Wings 

 hyaline, the teguhe bhu'k. Legs black, trochanters, anterior tibi;e to- 

 ward apex, and all tarsi pale brown, the tarsi not longer than their tibia', 

 the basal joint as long as the three foliownng joints united. Abdomen 

 oblong-oval, not longer tlmn the thorax, or very slightly longer, smooth, 

 polished, the petiole transverse, striated, the second segment with striate 

 foveohe at base. 



Habitat. — Jacksonville, Fla. 



Types in Coll. Ashmead. 



Polygnotus striaticollis, sp. nov. 



$ . Length, 1.4"'"'. Black, shining ; the head transverse, shagreened ; 

 the lateral ocelli away from the eye margin ; thorax with two distinct 

 furrows; legs rufo-piceous, articulations, base of tibia' and tarsi yellow- 

 ish or i^ale brown; wings hyaline, teguhe blackish. The antenn.B are 

 10 jointed, brown; the i)edicel much longer than the first and second 

 funiclar joints, which are small, the second being wider at a|)ex than 

 long; club G-jointed, pilose, the joints loosely joined and all, excei)t the 

 last, transverse-mouiliform. Pronotum at sides Jistintly striated, the 

 mesopleura polished with a fenun-al imi)ression, Mie scutellum highly 

 convex, the metathorax sparsely pubescent, the pleura bounded by a 

 carina above. Abdomen ovate, as long as the tuorax, the petiole and 

 the second segment at base striated. 



Habitat. — Jacksonville, Fla, 



Type iu QoU. Ashmead. 



