674 Longicornia Malayana. 



Omotaqus. 



Omotagus, Pascoe, Ann. and Mag. Nat. Hist. ser. 3, xix. 

 410; Lacordaire, Gen. viii. 133. 



Caput validum, vertice convexum, sulcatum j clypeus 

 transversus, antice truncatus ; mandibulce verticales, 

 elongatae^ crassge^ apice dente interno conjuncto. 

 Palpi mediocres, ingequales. Oculi integri, distantes. 

 Antennoe corporis dimidio sequales^ graciles; scapo 

 arcuato, compresso, et articulo tertio multo longiore ; 

 4-10 brevioribus, subgequalibus ; ultimo paulo lon- 

 giore. Prothorax leviter convexus, transversim 

 quadratus, apice truncatus, lateribus denticulatus. 

 Elytra elongata, convexa, lateraliter leviter rotun- 



. data, angulo suturali apiculato. Pedes validi, modice 

 elongati, antici rugosi; femora subtus biseriatim 

 denticulata; tihice anticaB rugosse, omnes subtus 

 biseriatim denticulatas ; tarsi articulis tribus basali- 

 bus subtus apicibus tomentosis, penultimo diviso, 

 ultimo caeteris conjunctim longiore. Prosternum an- 

 gustum, productum, apice obtusum. Mesosternuni 

 quadra tum, depressum. Corpus glabrum. 



The length of the scape, and the form and direction of 

 the mandibles, essentially differentiate this genus from 

 the next [Hystatus] ; and it is the only genus of the 

 group which has the legs armed with small spines. The 

 tarsi are imperfectly tomentose beneath, the apices prin- 

 cipally of the three basal joints being clothed with short 

 hairs, leaving a naked space along the middle and base 

 of each. 



Omotagus Lacordairii. (PI. XXIII. fig. 1.) 

 Pascoe, I. c. 



0. capite prothoraceque nigris, fere opacis; elytris 

 nigris, nitidis. 



Eah. — Dorey. 



Head and prothorax black, nearly opaque, the former 

 minutely granulate, the space between the eyes very con- 

 cave, with a shallow round fovea on each side the median 

 groove above, mandibles thickly and rugosely punc- 

 tured; prothorax finely and very closely but not con- 

 fluently punctured, each puncture with a small scale- 



