Il^ih'oj/orufi.] 



ADKl'IIAOA. 



175 



**. Elytra entirely (l;irk ; 

 thorax dark with red- 

 dish margins . . . 

 L+. Smaller species (L. 23- 

 3.1 mm.). 

 *. Punetualion very strong 



and deep 



**. Punctuation rather fine 

 and shallow. 

 +. Ujiper side unicolor- 



ous black 

 ff. Head broadly red- 

 dish; elytra brownish 

 2. Lateral border of thorax viewed sideways 

 contiinious with the border of elytra or 

 forming a scarcely perceptible angle 

 with it. 

 A. Upper surface smooth, without, or with 

 very slight, pubescence. 



a. Tliorax with margins broadly testa- 

 ceous ; elytra entirely sutfused with a 

 lighter shade, rounded at apex . . 



b. Thorax with margins narrowly and 

 obscurely red ; elytra with base only 

 suffused with a lighter shade, some- 

 what acuminate at apex 



c. Ujijier side uuicolorous, apex of elytra 

 rounded, 

 a*. Antenna; entirely red. 



af. Hind coxal cavities quite ap- 

 proximate ; form longer and 

 more oblong; thorax almost 



impunctate on disc, 

 aj. Elytra more finely punc- 

 tured ; antenna) more 



elongate . ■ 



bj. Elytra more coarsely punc- 

 tured; antenna) less elou- 

 gi'te 



bf. Hind coxal cavities minutely 

 separate ; form shorter and 

 more oval ; thorax almost 

 always plainly punctured on 



disc 



b*. Antennas except base, black . . 

 B. Upper surface more or less plainly 

 l)ubesceut. 



a. Lateral border of thorax not visible 



from above ; head i-ed. 

 a*. Lenijth 2;| mm.; punctuation 



rather diffuse 



b*. Length 4 mm.; punctuation line 



b. Lateral border of thorax plainly 



visible from above, 

 a*. Length 41-5 mm.; anteinue 

 with joints 5-S elongate or 

 oblou'T. 



H. MEIIXO.NIUS, Nic. 



11. GrLLENHALII, SchU'idte. 



n. MOEIO, Dej. {atrlceps, Crotch). 

 H. TEiSTis, Payk. 



H. OBSOLETPS, Aabe. 



H. OBLONOUS, Sleph. 



H. LOXGICOKNI3, Sharp. 



U. MELAXABIPS, Sfiirm, and 

 V. monlicola, Sharp. 



H. r.oxouT.rs, Muh. {celatus, Clark). 



H. XIQUIT.V, F. 



H. onscrurs, S/ti,-»t. 



II. EKVrilUOClil'llALLS, L 



