APHODIUS. 13 



Oblong, rather flat. Black, dull ; elytra dark- red ; an- 

 tennae yeUow, club gray ; palpi red-yellow. Forehead 

 with three prominences; elytra with strong striae, inter- 

 stices almost groove-like. L. 2 — 2 J 1. Not very common. 



A. porcus, Fab. 



H b» Mesosternum with traces of a ridge 

 between intermediate coxae. 



Oblong oval, rather flat. Black, dull ; sides of thorax 

 and elytra often red-brown; antennae and palpi brown, 

 club of former black. Thorax and elytra covered with 

 short yellowish-gray pubescence, latter with strong striae, 

 interstices flat; forehead without prominences. L. 1 — IJ 1. 

 Bare. A. scrofa, Fab. 



b h. Interstices on elytra finely punctured. 



A a, Mesosternum finely ridged between 

 intermediate coxae. 



A 1. Elytra black or blackish, with red 

 spots. 



a 1. Clypeus raised into a slight pro- 

 minence in middle. 



A 2. Thorax unicolorous black. 



Eeversed ovate, slightly convex. Black ; elytra some- 

 times brownish-black, with red markings at shoulder and 

 before apex. Elytra with strong notched striae, interstices 

 almost groove-like; first joint of posterior tarsi half as 

 long again as second. Posterior tibiae of male strongly 

 compressed and dilated. L. If — 2^ 1. Not very common. 



A. tristis, Panz. 



JB 2. Thorax black, with brown-red 

 spot in anterior angles. 



Eeversed ovate, slightly convex. Black; elytra with 

 apex red-brown, sometimes entirely lighter. Elytra with 

 deep notched striae, interstices slightly arched ; first joint 

 of posterior tarsi almost as long as second and third to- 

 gether. L. 1| — 2 1. Common. A. pusillus, Herhst. 



b 1, Clypeus with a slight depression 

 on each side and in front. 



Oblong, slightly convex. Black ; elytra with a red spot 

 near shoulder and another near apex of each, apex of 

 outer margin reddish-brown. Elytra with notched striae, 



