NO. 2178. THE GENUS BRACON FABRICIUS— MORRISON. 335 



tened area below the antennae; head smooth, shining, Hghtly punc- 

 tate and hairy; color typically reddish honey-yeUow, with the 

 mouth parts, usually including the labrum, blackish; oceUi and eyes 

 usually dark; ocelU arranged in a triangle, the lateral ocelli a little 

 farther from each other than from the median ocellus; antennae 37- 

 segmented, typically black, but brownish in imperfectly colored 

 specimens, the base of the scape often paler, the first and second seg- 

 ments shining, the rest duU; labrum almost as long as wide, sides 

 strongly curved, apex very slightly truncate, tjrpicaUy blackish, but 

 colored hke the head in some specimens, smooth, shining, with scat- 

 tered punctures and hairs, and very finely jDunctate; mandibles the 

 color of the head, the tips black, beak black; maxillary palpi a httle 

 less than twice as long as labial palpi, first segment the thickest, 

 second the longest, cyhndrical or very slightly clavate, slightly more 

 slender than the first ; last segment the most slender, tapering toward 

 the tip, a little longer than the fourth; all segments except the last 

 diagonally truncate at tip. 



Thorax. — Shghtly longer than high, red; pronotum with lateral 

 lobes smooth and shining in the middle, closely and finely punctate 

 around the margms; proepisterna closely and finely punctate and 

 hairy, mesonotum sparsely punctured and hairy with the parap- 

 sidal furrows deep and crenulate, meeting in a sharp angle behind; 

 median lobe somewhat flattened, with a broad shallow groove down 

 the front two-thirds, this groove elevated longitudinally in the mid- 

 dle; lateral lobes flattened; hind angles of mesonotum slightly pro- 

 duced and flattened vertically; scutellum triangular, apex slightly 

 rounded, sides rounded off and slightly concave, the triangular flat- 

 tened area on the sides of the scutellum transversely ridged; fossa 

 precedmg scutellimi deep, with one large median transverse carina 

 and two small more or less distinct ones on each side; mesopleurae 

 smooth, shining, sparsely punctate and hairy, the venter much more 

 closely pimctate and hairy; mesopleural fiu"row deep, straight, 

 coarsely crenulate, length about two-thirds the width of the pleurae; 

 metathorax shining, rather coarsely but sparsely punctured, rugose 

 around the margins; median ridges of the propodeum meeting in 

 front, typically convexly curved gradually away from each other to 

 the hind margin of the dorsal face of the propodeum, and joined 

 together there by a transverse ridge, sometimes suddenly separating 

 in front and then nearly parallel for the rest of their length; the 

 spiracle oval with the inner side flattened. 



Wings. — Fore wing, 5.5-7 mm.; hind. 4.5-6 mm.; fuliginous, 

 lighter spots as usual, second transverse cubitus sometimes with a 

 spur at or near its middle. 



Legs. — Reddish, typically with the trochanters darker to blackish; 

 the extreme apices of the intermediate tibiae and more or less of the 



