ART. 28 CHALCID FLIES NOETH OP MEXICO — BALDUP 53 



the dorsal surfaces moderately black ; f^avipes has legs entirely yel- 

 low, the submarginal band always at least twice as long as wide and 

 with an angular emargination on the proximal margin and a heel- 

 like prominence on the distal edge, and the surface vestiture of the 

 wings is normally not reduced and inconspicuous as in flmtiminnei- 

 ventris. 



Female. — Length 3.4 to 4 mm., rather robust, colors black, yellow, 

 and yellowish brown; head mostly dull golden yellow, vertex and 

 back of head to neck and temples black except narrow ocular ring 

 and at times a sharp lateral yellow emargination on vertex; scape 

 whitish yellow, pedicel brown-black above, its apex and the flagellum 

 chestnut-brown, sometimes lightly infuscate above, palpi very light 

 yellow; pronotum yellow, slightly darker than head, a circular me- 

 dian area of black reaching hind margin, about four-fifths to front 

 margin, and sometimes joining black of neck by a band of varying 

 widths, not infrequently a black patch on each side of the dorsal 

 surface; mesonotum mostly black, the parapsidal grooves, scapulae 

 except in posterior middle, scuto-axillar grooves, and sides of scutel 

 and axillae, brownish yellow, mesopleura, metapleura, and sides and 

 posterior-lateral face of propodeum yellow like face and cheeks, pro- 

 podeum otherwise and sterna of thorax in part, black; stigma dark 

 brown, submarginal band medium brown, its width almost uniform, 

 and always distinctly less than length of stigma, length only slightly 

 variable and easily more than twice as long as wide, basal two-fifths 

 extending sharply disto-caudad, band then bending somewhat 

 abruptly caudo-proximad, and feebly narrowed at bend, outer mar- 

 gin produced heellike just beyond stigmal vein, and roundly emargi- 

 nate on proximal margin ; legs yellow, slightly lighter than sides of 

 pronotum, hind femora and tibiae sometimes lightly infuscate, tarsi 

 stramineous-yellow ; abdomen shiny light yellowish brown, peduncle 

 mostly black, dorsum of first abdominal segment with a narrow me- 

 dian longitudinal black band, broadening on hind portion, continu- 

 ing over segments 2 and 3, broadening greatly on disk of each. 



Head uniformly very nearly twice as wide as long, length 0.52 of 

 width, outline of head from above transversely subrectangulate- 

 ovate, face broadly rounded and protruding only slightly beyond 

 eyes, eyes and front definitely demarcated at their junctures, back of 

 head feebly concave, vertex moderately convex, malar space partly 

 and cheeks mostly aciculate, vertex finely and densely punctate 

 with interspersed small umbilicate punctures, latter numerous on 

 back of head, face more sparsely punctate and moderately hairy; 

 pedicel almost one-third as long as scape, subconical, slightly longer 

 than Fl, latter one-fifth longer than F2, F2 to F5 almost uniformly 



