PEOMECOTHECA. 87 



Genus XXIT. PEOMECOTHECA, lilanchard. Details, Tab. II. Fig. 4. 

 Blanch. Voy. au Pole Sud, Zool. torn. iv. p. 312. 



Antennce (fig. 4rt) corporis dimidio \'ix bre\iores, graciles, subfili- 

 formes, apicem versus Icniter incrassatce, articiilis diiobiLS basa- 

 libiis bre\dbus, longitiidine fere tequalibus, primo ovato, paullo 

 incrassato, seciindo obconico, tcrtio clongato, subfiliformi, caeteris 

 longitiidiiiG perparum decrcseentibus, ultimo subacuto. 



Lahrxmi (fig. 4 5) transversiim, crassiim, antice declive. 



Mandihulce. (fig. 4 c) oblique truncata;, apice acuminatae. 



Palpi robusti ; maxillares (fig. 4 d) articulo primo minuto, secundo 

 elongato, subclavato, tertio brevi, obconico, ultimo secimdo 

 vix breviori, ovato ; Jahiahs (fig. 4 e) breves, subclavati, articulo 

 primo minuto, duobus altcris longioribus, fere a;qualibus, illo 

 oblongo, hoc subincrassato, obovato. 



Labium (fig. 4/) oblongum ; mento (fig. 4 g) brevi, transverso ; 

 liguJci (fig. 4 h) oblonga, apice obtusa. 



Caput antice tuberculis duobus instructum (his antennae insertae 

 sunt) ; ocidis ovatis, subprominulis. 



Thorax (fig. 4 ^) subcylindi'icus, basi strangulatus, lateribus saepe 



dilatatis et tuberculatis. 

 ScuteUum oblongum, apice obtusum. 

 Elytra elongata, parallela, subcylindrica. 

 Pedes modicc robusti, femoribus (anticis praesertim) modice incras- 



satis, posticis interdum elongatis, et subtus dente acuto armatis ; 



tibiis subcompressis ; tarsis latis, ungue brevi. 



Corpus elongatum, subcylindricum. (Type, Promecotheca cyanipes.) 



Tliia genus is distinguished from all others by the cylindrical 

 thorax, strangulated at its base. 



1. Promecotheca cyanipes (Erichs.). Tab. VII. Fig. 2. B.M. 

 Hispa cyanipes, Erichs. Beitr. zur Zool. 270. tab. xxxix. fig. 10. 



P. elongata, subcylindiica ; thoracis lateribus antice constrictis, medio 

 su-btubercixlatis ; cyanea, nitida ; capite, thorace femonimque anti- 

 conim basi nitido-fulvis, cyaneo-micantibus ; elytris opacis, pal- 

 Hde fiilvis, fortiter punctato-striatis, striis apicem versus et ad 

 latera confusis. 



Long. 6-i lin. 



Var. A. Corpore subtus pedibusque nitido-fulvis, cyaneo-mican- 

 tibus, antennis basi fulvis. 



Hab. Philippine Islands. Collected by H. Cuming, Esq. 



British Museum, and collections of G. Waterhouse, Esq., and 

 J. S. Baly. 



This species vai'ies with the legs more or less fulvous. 



