66 MALACODERMA — MELYRIDAE. 



Malaclilus, 



A, Thorax green, at most with anterior angles red. 



a. Elytra red, with a common green longitudinal band, 

 narrowed and abbreviated behind. 



Head and under-side green, front of former yellow; 

 anterior angles of thorax red. L. 3 — 31 1. Common. 



M. aencus, Lin. 

 h. Elytra green, with a red spot at apex. 



T. Thorax much broader than long, anterior angles 

 bordered with red ; length 2| — 3 lines. 



Head and under-side green, front of former yellow. 

 Third joint of antennae short ; in male the second, third 

 and fourth joints dilated on inner-side. Common. 



31. hipustulatus, Lin. 



II, Thorax as broad as long, unicolorous green ; 

 length 2 lines. 



Head and under-side green, front of former yellow ; 

 elytra sometimes unicolorous green. Third joint of an- 

 tennae moderately elongate, second, third and fourth joints 

 in male simple. Male with apex of anterior tibiae yel- 

 lowish. Eather common. M. viridis, Fab. 



jB. Thorax green or blackish, with a red side border. 



a. Body green ; length 2| lines. 



Green ; mouth yellow, sides of thorax and apex of elytra 

 red. Anterior tarsi simple. Male with third to seventli 

 joints of antennae emarginate beneath and produced on 

 inner-side. Moderately common. M. margincllus, 01. 



b. Body black-green ; lengtli 1| — If lines. 



Black-green ; mouth yellow ; sides of thorax and apex of 

 elytra red-yellow. Male with second joint of anterior tarsi 

 obliquely produced at apex and studded witli short bristles. 

 Moderately common. M. pulicarius, Eab. 



C. Thorax entirely red. 



Black-green ; thorax and apex of elytra red. Male wdth 

 second joint of anterior tarsi obliquely produced at apex and 

 studded with short bristles. L. 11 1. Moderately common. 



M. ruficollis, 01. 



