MOLOECHUS. 169- 



Group MOLORCHINL 



Head more or less strongly exserted ; antennal supports feeble, 

 entire ; eyes lateral, finely facetted, deeply emarginate ; gula 

 with very short mentigerous process, sometimes absent ; palpi 

 filiform. Prothorax unarmed or feebly tuberculate at the sides. 

 Mesonotum with or without stridulatory area. Scutellum small. 

 Elytra abbreviated in most of the genera. Front coxae angulate 

 on the outer side, subconical and more or less prominent on the 

 inner; their acetabula usually closed, exceptionally (Molorchus) 

 open posteriorly. Acetabula of middle coxae extended to epimera. 

 Femora generally clavate and pedunculate. Abdominal segments 

 unequal in length. 



Synopsis of Genera. 



A. Elytra abbreviated, more or less dehiscent 



posteriorly. 



a. Elytra slightly dehiscent, rounded at end ; 



acetabula of front coxae open posteriorly . MOLOUCHUS, p. 1 69. 



b. Elytra strongly dehiscent, pointed at end ; 



acetabula of front coxfe closed posteriorly MEEIONCEDA, p. 171. 



B. Elytra normal, completely covering abdo- 



men KTJNBIB, p. 174. 



Genus MOLORCHUS. 



Molorchus, Fabr. (in part) Ent. Syst. i, 2, p. 356 (1792) ; Mulsant 



Coleopt. de France, Longic. ed. 1, p. 107 (1839) ; Lacord. Gen. 



Coleopt. viii, p. 486 (1869). 



Heliomanes, Neioman, A. M. N. H. v, p. 17 (1840). 

 Csenoptera, C. G. Thorns. Skand. Col i, p. 150 (1859). 

 Subgen. Linomius, Mulsant, Coleopt. de France, Lonnic. ed. 2 



p. 226 (1802-3). 



Subgen. Sinolus, Mulsant, 1. c. p. 228. 

 Conchopterus, Fairm. in Jac. du Val fy Fairm. Gen. Col. Eur. 



Longic. iv., p. 153 (1868). 



Type, M. minor, Linn., a European species. 



Eange. Europe, North America, Ceylon, and Australia. 



Head short, slightly concave between the antennae ; the front 

 vertical, transverse ; maxillary palpi a little longer than the labial, 

 the last joint in both subfusiform ; eyes deeply emarginate. 

 Antennae slender, filiform, much longer than the body in the <5, 

 shorter than the body in the $ ; first joint gradually thickened to 

 the apex, moderately long ; third, fourth and fifth variable as to 

 their relative length ; sixth to tenth subequal ; eleventh either 

 appendiculate or succeeded by a twelfth joint in the d 1 , simple 

 and always terminal in the $ . Prothorax longer than broad, 

 constricted at the base and to a less degree in front ; slightly 

 tuberculate at each side ; usually with some callosities on the disc. 

 Elytra very short, covering only the base of the abdomen ; 

 slightly dehiscent posteriorly and rounded at the end. Femora 



