70 MALACODERMA — CLERIDAE. 



rounded in front ; last joint of maxillary palpi long oval, 

 narrowed at apex ; last joint of labial palpi strongly 

 hatchet-shaped ; tarsal claws with a tooth at base and apex. 



Tillus, 01. 



H, Tarsi indistinctly five-jointed, first joint being small 

 and hidden. 



a. Eyes strongly granulate and prominent. 



Antennae with three larger apical joints ; labrum emar- 

 ginate in front ; last joint of both pairs of palpi long 

 hatchet- shaped ; first joint of tarsi very short, next three 

 with emarginate soles, claws simple. Ojyiliis, Latr. 



b. Eyes finely granulate, not strongly prominent. 



I. Maxillary palpi threadlike. 



Antennae gradually thickened ; labrum emarginate in 

 front ; last joint of labial palpi large, hatchet-shaped ; first 

 joint of tarsi very short, next three with emarginate soles, 

 claws simple or toothed at base. Clerus, Geoffr. 



II, Maxillary palpi long hatchet-shaped. 



Antennae with joints two to eight gradually shorter and 

 broader, last three forming a moderately large and loosely 

 articulated club ; last joint of labial palpi a little broader 

 than that of maxillary palpi ; first joint of tarsi toleraljly 

 distinct, next three with very short, entire soles. 



Tarsostenus, Spin. 



C Tarsi four-jointed (fourth joint being absent) ; first 

 joint short. 



Antennae with three larger apical joints ; labrum deeply 

 emarginate in front ; abdomen with five ventral segments ; 

 tarsal claws toothed at base. Corynetes, Herbst. 



Tillus, 



A, Elytra entirely bluish-black ; length 3|- — 4 lines. 



Head and under-side black ; thorax of male black, of 

 female red ; pubescence fine. Elytra with punctured striae. 

 Not uncommon. T. elongatus, Lin. 



jB. Elytra black, \vith base red and a whitish-yellow, slightly 

 curved band behind middle ; length 2-h — 3 lines. 



Head, thorax and under-side black ; pubescence mode- 

 rately close and long. Punctured striae on elytra reaching 



