ART. 3 SOME NEW CHALCID-FLIES TIMBERLAKE 25 



stout, three- jointed, the first and last joints subequal, the middle 

 one triangular, being extremely short on the inner side, and about 

 one-half as long on the outer side as the apical joint. 



Thorax strongly convex above, about one-third longer than wide ; 

 pronotum strongly arcuate ; mesoscutum about twice as wide as long ; 

 axillae very short and acute, nearly or quite meeting medially; 

 scutellum nearly as long as the scutum, very convex or pulvinate, 

 the sides high and abruptly declivous, the apex rounded ; propodeum 

 very short medially, lengthening toward the sides and strongly de- 

 clivous behind. Abdomen a little shorter than the thorax, strongly 

 depressed, triangular; the cereal plates situated near or slightly 

 basad of the middle ; ovipositor sheaths not or barely protruded. 



Legs about normal in length and structure; middle tarsi stouter 

 than the hind pair, somewhat tapering, the first joint nearly as long 

 as the following joints combined; the spur of the middle tibiae 

 nearly as long as the first tarsal joint. Wings short and broad, 

 strongly triangular; discal pubescence extremely short, fine, and 

 rather dense, the basal area with coarser, sparser setae, the mar- 

 ginal fringe also short and dense; speculum indistinct above and 

 broadly separated below from the posterior margin; submarginal 

 vein reaching the costal margin before the middle of the wing, 

 nearly uniformly arcuate from base to apex, slender throughout; 

 marginal vein about twice as long as wide, and fully twice as wide 

 as the submarginal; postmarginal wide at base, abruptly tapering, 

 and about one-half as long as the marginal; stigmal very short, or 

 no longer than the marginal, triangularly widened at apex, the base 

 constricted. Hind wings wide, the costal cell practically absent. 



Head and thorax microscopically reticulate, the reticulations of 

 the f rontovertex more or less thimblelike and interspersed with fine, 

 shallow pin punctures ; scutellum very finely striolate over a greater 

 part of the surface or in part with minute thimblelike punctures; 

 abdomen smoother and more shiny than the thorax, but neverthe- 

 less reticulate except on the first tergite. Eyes bare; head and 

 thorax with numerous fine, short setae, which are seriately arranged 

 on the mesoscutum and not conspicuously colored. General color 

 submetallic black. 



Male. — Very similar to the female, except in regard to the anten- 

 nae ; head considerably thinner f rontooccipitally, the vertex broader, 

 the ocelli larger; scape very short or no longer than the following 

 three joints combined, clavate; pedicel no longer than thick, much 

 shorter than the following joint; funicle joints over twice as long 

 as wide, the first one slightly the longest, the others subequal, each 

 flat beneath, convex above, except the sixth, which is much less so, 

 and each with a scattered whorl of long curved setae ; club narrowly 

 oval, about as long as the last two funicle joints combined, two- 



