OXYPOUA. 183 



IT. Thorax red or hrown. 



1, Elytra a little longer than thorax. 

 A A, Punctuation fine. 



a a. Head dirty red-yellow. 

 Rather narrow, dull, dirty red-yellow ; middle of abdo- 

 men blackish ; antennae dirty yellowish, with base yellow; 

 legs yellow. Thorax about half as broad again as long, 

 closely and very finely punctured, without central furrow, 

 finely but distinctly pubescent; elytra very closely and 

 finely punctured and pubescent; abdomen somewhat 

 narrowed toward apex, extremely closely and finely punc- 

 tured. L. 1\ 1. Not common. 0. verecunda, Sharp. 



h b. Head blackish. 

 Elongate. Dirty brown-yellow; head and middle of 

 abdomen blackish ; antennae brownish, base lighter ; legs 

 yellow. Thorax more than half as broad again as long, 

 with a shallow basal depression ; punctuation of fore 

 parts not very fine, that of abdomen extremely close and 

 fine. L. 1\ L Scarce. 0. exoleta, Er. 



1? J5. Punctuation coarse, nearly wrinkled. 

 Elongate. Brownish-red ; middle of abdomen blackish ; 

 antennae and legs red-yellow, L. 1 1. Scarce. 



0. mutata, Sharp. 



2, Elytra half as long again as thorax. 

 Elongate. Bright yellowish-red; head, neighbourhood 



of scutellum and outer apical angle of elytra, breast and 

 middle of abdomen blackish ; antennae dark-brown, base 

 lighter ; legs red-yellow. Thorax half as broad again as 

 long, with a shallow basal depression; punctuation of fore 

 parts moderately fine, that of abdomen very fine. L. 1| 1. 

 Common. 0. alter nans, Gr. 



&. Abdomen parallel-sided. 



I. Abdomen diffusely punctured throughout. 



Broad. Black, dull; antennae dark brown, base lighter; 

 legs pitch-brown, tibiae and tarsi often lighter. Thorax 

 half as broad again as long, with a central furrow and basal 

 depression, almost longer'than elytra ; punctuation of fore 

 parts moderately close, that of abdomen rather diffuse, 

 especially toward apex. L. 1^ 1. Not uncommon. 



0. incrassata, Muls. 



