1238 



FAMILY LTV. — BRUCHID.-E. 



B. cruentatus Horn, length 3 mm., was described from Georgia, 

 Illinois and Texas; B. nigrinus Horn, length 3-3.5 mm, is known 

 from the " Middle States." 



Group B. 



KEY TO SPECIES OF GROUP B. 



a. Hind femur with a tooth in addition to denticles. 

 &. Hind femur with one tooth and two denticles. 



c. Elytra dull reddish-yellow ; body beneath black, abdomen reddish. 



2291. PECTORALIS. 



cc. Elytra entirely black or dark piceous. 

 d. Legs all black. 



e. Scutelium round, densely clothed with white pubescence. 



2292. ALBOSCUTELLATUS. 



ee. Scutelium more or less elongate. 



f. Pubescence of elytra variable in color, grayish ; interrupted 

 on intervals, which are coarsely punctured. 



2293. distinguendus, male. 

 //. Pubescence uniform in disposition and color, that of elytra 

 very sparse. 2294. calvus. 



dd. Legs bicolored, front and middle ones reddish, hind femora black 

 in part. 



g. Abdomen reddish or brownish-yellow. 2295. obtectus. 



gg. Abdomen and entire under surface black. 



ft. Pubescence of elytra interrupted on the intervals by darker 

 spots ; spur of hind tibiae of normal length. 

 i. Thorax roughly punctured; elytral intervals with coarse 

 punctures. 2293. distinguendus, female. 



U. Thorax not roughly punctured; elytral intervals finely 

 punctulate. 2296. hibisci. 



Tvh. Pubescence sparse, forming an X-like design; terminal spur 

 of hind tibiae nearly half the length of the tibia itself. 



2297. LONGISTILUS. 



Hind femur with one tooth and three denticles. 



j. Oval, robust; black, clothed with grayish hairs. 2298. musculus. 

 jj. Oblong-oval ; black, the elytra in great part rufous. 



2299. exiguus. 



aa, Hind femur with a few small denticles only. 



k, Antennae not as long as head and thorax. 2300. seminulum. 



Tch. Antennae longer than the entire body. 2301. macrocerus. 



2291 (7141). Bruchus pectoralis Horn. Trans. Amer. Ent. Soc, IV, 1873 

 333. 



Oblong-oval, rather robust. Elytra and abdomen dull red, the former 

 sparsely clothed with silken yellowish pubescence; head, thorax, meso- and 

 metasterna black; antennae black, three basal joints rufous; legs pale 

 rufous, bases of hind femora and tibiae piceous. Thorax scarcely as wide 



