MALACHIUS. INSECTS. 269 



Gen. MALACHIUS, Fab. Lat. Cantharis, Lin. 

 Palpi filiform ; antennas serrated ; thorax as broad as the ely- 

 tra, with two vesicular retractile bodies at the anterior angles 

 of the thorax, and two others at the base of the abdomen. 



M. ceneus, Lat. Greenish bronze ; elytra reddish, with the base 

 and a part of the suture bronze green. Inhabits Europe, in gar- 

 dens. Lat. Hist. ix. pi. 76, fig. 2. 



Gen. ZYGIA, Lat. Fab. 



Antennae inserted at some distance from the eyes, the second 

 joint almost conical, the third cylindrical, longer than the 

 fourth, which, with the following, is serrated, the last oval ; 

 feet filiform ; tarsi simple, the last joint long, and terminated 

 by two bifid hooks. 



Z. oblonga, Lat. Reddish brown, with the head and elytra bluish 

 green ; elytra with three elevated lines. Inhabits the Levant. 

 Lat. Gen. i. pi. 8, fig. 3. 



Gen. MELYRIS, Lat. Fab. 



Antennae filiform, with the joints in form of a reversed cone, in- 

 serted at some distance from the eyes; thorax flat, not gibbous. 



M. viridis, Lat. Body entirely bluish green ; elytra with three 

 elevated longitudinal lines. 5 lines long. Inhabits Cape of 

 Good Hope. Lat. Gen, i. 263. 



Gen. DASYTES, Fab. Dermestes, Lin. 



First joint of the tarsi longer than the following, and a mem- 

 branous appendage under the hooks of the last joint ; thorax 

 square ; antennas the length of the head and thorax, distant 

 at their base and inserted before the eyes. 



D. cceruleus, Fab. Body elongated, green or bluish, shining and 

 downy. 3 lines long. Common near Paris, on flowers. Oliv. 

 Coleop. ii. No. 21, pi. 2, fig. 9. 



TRIBE VI. CLERIT. 



Body cylindrical to the abdomen, with the head sunk in the 

 thorax ; mandibles bifid at their extremity ; antennae filiform 

 and serrated, or thickening gradually and knobbed ; penult 

 .joint of the tarsi bilobed ; palpi terminated in a club-shaped 

 joint ; eyes with a small internal notch in most near the base 

 of the antennae. 



The larvae of this tribe are generally found in decayed matters or old wood. 



I. Antennae never serrated, and always terminating in a club ; tarsi as seen above 

 presenting but four joints, the first being short and concealed by the base of the 

 second. 



Gen. NECROBIA, CLERUS, OPILO. 



II. Antennae either thickening insensibly towards the end, and often almost entirely 

 serrated, or terminated by seven or three larger joints, forming a dentated club ; 

 five distinct joints to all the tarsi. 



