1240 



FAMILY LIV. — BRUCHIDvE. 



south. April 20-October 25. Occurs in numbers along the borders 

 of marshes, especially on the flowers of the black choke-berry 

 (Aroma nigra Willd.). 



2295 (7150). Bruchus obtectus Say, Des. N. Am. Cure, 1831, 1; ibid. I, 



Oblong-oval, moderately robust. Black 

 or dark piceous, clothed with dark grayish- 

 yellow pubescence, that of elytra interrupted 

 by transverse bands of darker color; abdo- 

 men dull reddish-brown; antennae black, the 

 four basal and apical joints rufous; legs red- 

 dish-brown, under side of hind femora pic- 

 eous. Thorax one-third wider at base than 

 long, sides curved and gradually narrowed to 

 tip, base lobed at middle; surface coarsely 

 and sparsely punctured. Scutellum subquadrate. emarginate at apex. Ely- 

 tra together not longer than wide, at base not wider than thorax, stria? 

 punctured; intervals flat, densely punctulate. Pygidium rufous, broadly 

 oval, coarsely punctured, sparsely pubescent. Length 2.5-3 5 mm (Fi^ 

 558.) 



This is the well-known '/bean weevil," and probably occurs in 

 numbers throughout the State, though taken only in Lake and 

 Marion counties, where it is common in beans in the seed stores. 

 March 9- July 14. 



2296 (7151). Bruchus hibisci Oliv., Ent., IV, 1795, 79. 



Broadly oval, robust. Black, moderately shining; sparsely pubescent 

 with grayish-yellow hairs which on the elytra are frequently and irregu- 

 larly interrupted by transverse bare spaces ; antennas pale reddish-brown, 

 joints 4-9 often slightly darker; front and middle legs rufous; hind femora 

 black, red at tip. Thorax twice broader at base than long, rapidly narrow- 

 ing to apex; surface sparsely punctured. Scutellum whitish, bifid at tip, 

 median line distinct. Elytra together as broad as long, disk convex, finely 

 striate, the stria? punctured; intervals flat, marked with fine and coarse 

 punctures intermingled. Pygidium black, broadly oval, sparsely punctured. 

 Length 2-2.5 mm. 



Southern two-thirds of State; common. April 13-November 1. 

 Breeds in the seeds of the rose-mallow (Hibiscus) , the beetles emerg- 

 ing from seeds kept in vials from October 15 to November 1st. Oc- 

 curs in spring and summer oil fiowers of red-bud, dogwood, red haw, 

 etc, This is our only species having the denticles of the hind femur 

 on the vertical face of the tooth itself. 



2297 (7152). Bruchus longistilus Horn, Trans. Amer. Ent. Soc, IV, 

 1873, 339. 



Oblong-oval. Black, shining, sparsely pubescent with whitish hairs, 

 which on the elytra are arranged in an X-like design ; tibiae pale reddish- 



259. 



Fig. 558. X 7. (After Forbes.) 



