CTETOWOP8. 



59 



a'. Femora subcylindrical ; first joint of hind 

 tarsi longer than the second and third 

 united. 



a 2 . Femora rather stout, the hind pair not 

 reaching to the apex of the elytra ; 



prothorax not striate DISTENIA, p. 62. 



b 2 . Femora slender, the hind pair reaching 

 to the apex of the elytra ; prothorax 



transversely striate in part TYPOBBYAS, p. 65. 



b'. Femora fusiform ; first joint of hind tarsus 

 shorter than the second and third 



united MELEGENA, p. 66. 



b. Eyes rather finely facetted ; femora clavate . NERICONIA, p. 67. 



Genus CYRTONOPS. 



Cyrtonops, White, Cat. Coleopt. B. M., Longic. p. 32 (1853). 

 Cladopalpus, Lansb. Notes Leyd. Mus. viii, p. 35 (1886). 



Type, C. punctipennis, White. 



Ranye. Northern India, Burma, Tonkin, Siara, Sumatra and 

 Java. 



J. Head strongly exserted, gradually narrowed backwards 

 from the eyes ; eyes transverse, large and prominent, with feebly 

 sinuate front margin ; front very short ; clypeus short, transverse, 

 submembranous near its front margin ; mandibles stout, abruptly 

 incurved below, with sharp subtruncate or bidentate apical edge ; 

 maxillae bilobed, their palpi very long, with the second joint five 

 or six times as long as the first, the third very short, the fourth 

 nearly as long as the second and furnished with a long bent ram us 

 arising near its base ; labial palpi short, with thickened terminal 

 joint ; mentigerous process of submentum distinct and rather 

 long. Antennae inserted very close to the base of the mandibles, 

 extended some distance beyond the middle of the elytra, sparsely 

 pubescent ; first joint as long as the head, slightly curved, gradually 

 thickened towards the apex ; third shorter than first and slightly 

 longer than fourth ; fourth to eleventh subequal in length but 

 successively narrower. Prothorax with a short conical tubercle on 

 each side. Mesonotum with stridulatory area, divided by a median 

 groove. Elytra gradually but slightly narrowing backwards, 

 rounded at the apex, very strongly subseriately punctured. Legs 

 moderately long, with strongly thickened femora, the hind pair 

 longer and thicker than the others and either denticulate or 

 spinulose beneath ; tarsi rather broad, the third joint not cleft 

 down the middle, but deeply channelled above, with the minute 

 fourth joint inserted in the normal position at its base. Front 

 coxae slightly angulate on the outer side, rounded and almost 

 contiguous on the inner, the prosternal process very short 

 and the coxae separated only by a thin vertical plate ; their 

 acetabula open behind. Acetabula of middle coxa? extend to 



