APHODIUS. ll 



rowly brownish ; under-side brown-red, breast with a light 

 central spot. L. 2 — 2| 1. Not uncommon. 



A. nitidulus, Fab. 



-, 11, Base of thorax bordered at angles only. 



1, Mesosternum finely ridged between intermediate 

 coxae. 



A A. Outer spur of posterior tibiae longer than 

 first joint of tarsi. 

 Elongate, nearly cylindrical. Black, generally metallic ; 

 elytra sometimes with a red spot. Thorax extremely finely 

 punctured, with an admixture (scanty on disc, closer toward 

 sides) of larger punctures ; metasternum rather finely and 

 closely punctured, in male hairy in middle, and sometimes 

 depressed. L. 1^ — 2 1. Not very common. 



A. plagiatus, Lin. 



JB M, Outer spur of posterior tibiae shorter than 

 first joint of tarsi. 

 Similar to A. plagiatus, but with head more closely 

 punctured, cheeks less prominent, the larger punctures on 

 thorax not so large, and metasternum finely and diffusely 

 punctured, witli the depression not hairy in male. L. 2 1. 

 Eare. A. niger, Panz. 



2, Mesosternum not ridged. 



Oblong, convex, very shiny. Pale brownish-yellow, base 

 of head, disc of thorax, suture and an oblong spot on each 

 elytron brown. Prominences on forehead distinct, middle 

 one high. L. 1| — 2\ 1. Not common. A. lividus, OL 



h. King at apex of hinder tibiae formed of longer and 

 shorter bristles. 

 I. Prominences on forehead distinct (especially in 



male). 



1, Base of thorax bordered. 



A A, Mesosternum finely ridged between inter- 

 mediate coxae. 



Oblong, rather convex, shiny. Black ; anterior angles 

 of thorax sometimes red-brown ; elytra yellow, suture, 

 three or four spots and a lateral streak black; antennae 

 and palpi black-brown ; legs red-brown, femora yellow 

 beneath. Elytra with extremely fine, short hairs toward 

 apex. L. Ih — 3 1. Common. A. inquinatus, Fab. 



