XYLOXOMUS. 



81 



apically black, basally obliquely impressed ; palpi pale testaceous ; 

 mandibles black atul basally finely punctate, tbe apex with only one 

 rounded tooth. Antemue slender, densely and obsoletely black-pilose, 

 witli the scape testaceous beneatli ; a broad band beyond the centre 

 and extending to the apices, except their last joint, white. Meso- 

 notuin closely punctate, with its basal three-fourths distinctly and 

 irregularly reticulate and the lateral apical lobes centrally canali- 

 culate ; pro- and meso-pleurce shagreened, the former glabrous 



and bicarinate below, the latter 

 with dense fulvous pilosity and 

 apically erenulately impressed ; 

 metanotum with its basal half 

 shagreened and apical trans-stri- 

 gose, its basal areae coalescent, 

 curved inwardly and narrowed ; 

 the petiolar area with the sides 

 straight ; the lateral carinse evenly 

 curved on the inner side of the 

 spiracles, with the arese on their 

 inner side crenulate ; metapleura3 

 longitudinally and irregularly stri- 

 gose, shagreened above. Scatellum 

 closely punctate, apically deplanate 

 and cariuate ; postscutellum round- 

 ly impressed at the base and apex, 

 and laterally stoutly cariuate. Ah- 

 domen fulvous ; basal segment 

 distinctly longer than the second, 

 tlavescent, with a broad caerulescent 

 •central closely and coarsely punctate band, the apex more or less 

 reticulate, centrally transversely strigose and tricarinate ; second 

 segment basally broadly blue and apically more narrowly black, 

 its base centrally triangularly impressed and laterally with deep 

 and oblique impressions, its apex broadly and obliquely depressed 

 •on either side ; third segment broadly and seinicircularly impressed 

 near the base, with a central straight and narrow carina, and the 

 sides obscurely strigose ; first ventral segment basally black and 

 substriate, with its apex and the centre of the two following 

 segments testaceous ; terebra not quite as long as the body. Ler/s 

 fulvous, with the intermediate coxa3 basally black; hiiul legs con- 

 •colorous with cox?e except basally above and centrally beneath, 

 trochanters, base aud apex of tibife and of their can'ulescent 

 femora, black ; hind tarsi, except their two black apical joints, 

 white. Wiiujs hyaline, basally white and slightly infumate below 

 the apices ; stigma black, basally white and internally inf uscate. 

 Length 17-19 millim. 



Assam : Khasi Hills {liothneij) ; Burma (L. de Nicevilh — Brit. 

 Mus.). 



Tupe in the British Museum. 



Fig. 17. 

 Xylonomus annulicornig, Cam. 



