(Page 73) 

 heretofore found in this country; but tv;o others of the most widely dis- 

 tributed are here included as possibilities. 



Key to the Species. 



1. Elytra rather robustly and not densely punctated. L. 3.5-4.5 mm... 



1. 0. badia Er. 



Elytra rather finely and densely punctated 2. 



2. Legs brownish black or darkly brownish-red with rust-red tarsi. L. 



4-5 mm 4. Q. concolor Kiesw. 



Legs entirely reddish-yellow or yellow-red 3. 



3. Pronotum finely and not densely punctated, rather glistening. L. 4-5 



mm 2. 0. picata Steph. 



Pronotum rather robustly and densely punctated, slightly glistening. 

 L. 4-4.5 mm 3. 0. rivularls Mill. 



1. 0. badia Er. 



(Srichs. Kaf. Mk. Br. I, 30C; ^en. Spec. Staph. 61; Kraatz Ins. D. 

 II, 52; Wuls. et Rey Brevip. 1874, 473; >anglb. Kaf. M. II, £2. - prolixa 

 5yllh. Ins. Suec. IV, 464; Thorns. Skand. Col. Ill, 42). 



As a rule somewhat smaller and narrower than picatu , from which it is 

 easily separated by the more robust punctation of elytra and the stronger 

 gloss of the body. 



Pitch-black or pitch-brown, strongly glistening, sparsely haired; el- 

 ytra and the tip of abdomen yellowish-brov.n; antennae, mouth-parts, and 

 legs reddish-yellow. 



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The head with coarse and scattered, flat punctation; antennae very 



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