320 A. L. MELANDER. 



3. Pubescence scarlet, grading into fulvous in some specimens. 



autliophorse Asbm. 

 Pubescence pale golden in large part 4. 



4. Sides of tborax, abdomen and legs black ; thorax somewhat elongate and 



pyriform ; pubescence rather coarse ; length, 12 niDi.anraria Blake. 



Greater part of body reddish; thorax shorter, more quadrate; pubescence 



silky ; smaller species 5. 



5. Thorax anteriorly a little wider than the head, ground color fusco-ferruginous. 



aspasia Blake. 



Thorax narrower than the head. 5a. 



5a. Abdomen with a basal triangular black spot and black apex, pubescence not 



glistening; legs black bidentate variety of si mil lima Smith. 



Abdomen ferruginous, at most piceous apically, pubescence dense; legs at 

 most fuscous plitedra Blake. 



87. Iflutilla vonenaria sp. nov. 



Female. Testaceous rufous, puhescence long but not thick ; mandibles biden- 

 tate at tip; eyes facetted; thorax quadrate, humeri dentiform, metathorax 

 truncate; abdomen ovate, petiole sessile, second and third segments each with 

 two ovate semitranslucent spots ; pygidium rounded. 



Head quadrate, rounded behind, not carinate, rugoso-punctate ; eyes irregu- 

 larly rounded, distinctly facetted; clypeus shallow, slightly convex; underside 

 of head polished, impunctate; antennae black, scape and pedicel reddish, scape 

 stout, sparsely bristly, pedicel equal to the flagellar joints individually; mandi- 

 bles short and robust, tipped with two stout black teeth ; palpi piceous. Thorax 

 subquadrate, sides rounded, truncate in front with humeri dentate, narrowed 

 behind, metathorax obliquely truncate, rounded into the mesonotum ; dorsal 

 surface coarsely reticulate, becoming finely punctate in front of the ahdomen ; 

 mesopleurse reticulate, metapleurse smooth. First segment of abdomen short, 

 broadly sessile with the second, its punctuation fine above and below, not cari- 

 nate ventrally ; second dorsal with two large, approximated, oval, discal spots of 

 varying testaceous color ; third dorsal also with two rounded semitranslucent 

 spots, more widely separated, and placed on the stngose anterior portion ; on the 

 area of separation is the well-marked quadrate speculum, which from its reflec- 

 tions gives to the segment the appearance of having a median light or dark fleck 

 when the abdomen is drawn out; punctuation of abdomen close and fine, punc- 

 tuation of the second segment dorsally and ventrally somewhat stronger and 

 more separated ; last dorsal segment convex, not margined, polished. Legs ru- 

 fous, the front femora and tibiae piceous, tarsi piceous apically, spines and spurs 

 poorly developed, yellow. Vestiture of the body consists of sparse appressed 

 hairs, black on the mesonotum and second dorsal segment, yellow and matted on 

 the head, and of erect dusky hairs. The erect hairs of the head and mesonotum 

 are short, of the pronotum. metathorax, petiole and apical and ventral segments 

 of abdomen long and comparatively dense, though not thickly so; ventrally the 

 hairs become whitish ; apical margins of segments of abdomen finely fringed. 



Length, 4-5 mm. 



Fig. 35; petiole. 



Four females. Fedor, Texas (Birkman). One dated April 29, 

 1898. Types in collections of Mr. Birkman and the writer. 



