14 LAMELLICORNIA — APHODIIDAE. 



interstices flat and broad ; first joint of posterior tarsi 

 about as long as second and third together. L. 1| — If 1. 

 Moderately common. A. quadrimaculatus, Lin. 



H 1, Elytra yellowish, with suture brown. 



Oblong, slightly convex. Head and thorax black, an- 

 terior angles or sides of latter yellow. Elytra with notched 

 striae, interstices slightly arched ; first joint of posterior 

 tarsi about as long as the next three together. L. 1| — 2 1. 

 Common. A. merdarius, Fab. 



JB b, Mesosternum not ridged. 



A 1, Head black, with a yellow spot on 

 each side. 



Oblong, slightly convex. Thorax black, sides yellow; 

 elytra gray-yellow, each with a brown, longitudinal spot ; 

 under-side black, middle of metasternum and apex of 

 abdomen yellow. Elytra with fine notched striae ; apical 

 spines of anterior tibiae straight and pointed in both sexes. 

 L. 1| — 2 1 1. Eare. A. consputus, Cr. 



-B 1, Head unicolorous black. 



a 1» Apical spines of anterior tibiae 

 dissimilar in male and female. 



Oblong, slightly convex. Black; sides of thorax and 

 middle of metasternum yellow ; elytra gray-yellow, each 

 with a brownish spot, narrow in front, dilated behind ; 

 abdomen brown, with yellowish apex. Apical spines of 

 anterior tibiae with blunt toothed apex in male, pointed in 

 female. L. 2 — 3J 1. Common. A. prodromus, Brahm. 



b 1, Apical spines of anterior tibiae 

 pointed in both sexes. 



Very similar to A. prodromus but with traces of promi- 

 nences on forehead. Male shorter and flatter than female. 

 L, 2 — 3 1. Common. A. pnnctatosulcatus,^i\\\n\. 



H JB, Posterior angles of thorax rounded. 



ci a. Sides of thorax fringed with long hairs. 



Oblong, slightly convex. Black, with bronze reflection, 

 sides of head and thorax yellow ; elytra grayish-yellow, 

 with black spots, rather closely covered with gray pubes- 

 cence, almost in rows ; apex of abdomen yellow. Apical 

 spines of anteiior tibiae in male rather thick, cut off 



