by a. sidney olliff, f.e.s. 451 



14. Placusa. 



Erichson, Kaf. Mark, I., p. 370 (1837) ; Lacordaire, Gen. Col. 

 IE., p. 45. 



Mentum transverse, narrowed and slightly emarginate in front. 

 Ligula broad, entire and rounded. Paraglossae very short, 

 acuminate. Maxillary palpi with the 2nd and 3rd joints sub- 

 equal. Labial palpi 2-jointed, the first joint rather large, the 2nd 

 much narrower. Maxillae with the spines on the inner lobe not 

 closely placed, in other respects similar to those of Homalota. 

 Mandibles unarmed. Labrum transverse,, truncate in front. Head 

 sub-triangular, narrower than the prothorax. Antennae increasing 

 in width towards the extremity, 1st and 2nd joints obconical. 

 Prothorax broadly transverse, often bi-sinuate at the base. Elytra 

 truncate behind. Abdomen parallel-sided or slightly narrowed 

 behind. Legs short ; intermediate coxae near together • tarsi 

 4:4:5, the posterior pair with the 1st joint equal to the 2nd and 

 3rd together. 



60. Placusa teidens. 



Placusa tr ideas, Fauvel, Ann. Mus. Genov. XIII. , p. 574 



(1878.) 



Magnitudine et facie Homalotae caelatae minimis exemplariis 

 subsimilis, angustula, elongata, parum nitidula, dense fusco 

 pubescens, picea, capite nigricante, antennarum articulis 3 primis, 

 segmentorum marginibus anguste, ano latius pedibusque testaceis ; 

 antennis robustis, articulo 4.° maxime transverso, 5-10 hoc 

 latioribus, fortiter transversis, aequalibus, 11.° elongato, sub- 

 acuminato ; capite, thorace elytrisque crebre subtiliter, abdomine 

 densius subtiliusque punctatis ; capitis disco vix impresso ; thorace 

 hoc sat latiore, fortiter transverso, lateribus parum rotundatis, 

 disco in £ parum longitudinal iter depresso ; elytris thorace sat 

 latioribus, quarta parte longioribus \ abdomine parum attenuate, 

 nitidulo ; £ segmento 7.° supra medio furcatim sat breviter 

 trispinoso, utrinque profunde sinuato, spina extus longiore gracili 



