HOMALOTA. 209 



impunctatc ; male witli four teetli at apex of seventh 

 abdominal segment. L. 1^ 1. Moderately common. 



//. gagatina, Baud. 



h 1. Body flattish ; abdomen not nar- 

 rowed behind. 



A 2, Apical joint of antennae about 

 three times as long as tenth. 



Fore parts somewhat dull. Black ; elytra and base of 

 antennae brownish ; legs yellow. Abdomen with segments 

 two to five closely punctured, sixth segment diffusely or 

 not at all punctured. L. 1\\. Not common. 



H. divisa, Mark. 



Ji 2. Apical joint of antennae about 

 twdce as long as tenth. 



Bather dull. Black ; elytra and antennae pitch-l)lack ; 

 legs pitchy-yellow, femora darker than tibiae. Abdomen 

 with segments two to four closely punctured, fifth and sixth 

 segments almost impunctate. L. 1^ 1. Not uncommon. 



H. nigricornis, Th. 



CI, Penultimate joints of antennae 

 nearly as long as broad. 



a 1. Thorax and elytra rather dull, 

 former one-fourth part broader than 

 long, latter about half as long again 

 as thorax. 



Bather narrow. Black; elytra black-brown; legs pitchy- 

 yellow. Alxlomen with second to fourth segments very 

 diffusely punctured, fifth and sixth impunctate. Male with 

 apex of dorsal plate of seventh al)dominal segment indis- 

 tinctly emarginate, and of ventral plate rounded. L. 1^ 1. 

 Not unconnnon in Scotland, scarce in England. 



H. ravilla, Er. 



b 1, Thorax and elytra shiny; former 

 one-third broader than long, latter 

 about one-third longer than thorax. 



Black ; elytra blackish-brown ; legs dirty yellow. Ab- 

 domen with second to fourth segments rather closely, fifth 

 diffusely punctured, sixth impunctate. ]\Iale with apex of 

 dorsal plate of seventh abdominal segment distinctly emar- 



