30 PLAGIOPISTHEN. 



Borneo, Sarawak (Wallace). 



Antenna? with the 1st joint of the club elongate, but not so 

 narrowed at the base as in T. jiicta; head with the front bi-im- 

 pressed; prosternum compressed, sub-carinate ; abdomen punctate 

 beneath, ventral process tianicate. 



Triplatoma bizonata, sp. n. 



Elongata, attenuata, ?enea sub-purpurascens, nitida, punctata; 

 thorace angulis anticis porrectis, punctis 2 anticis fulvis; elytris 

 fasciis duabus abbrevititis fulvis (1 arcuata, subdentata, ante 

 medium; 1 infra medium, in margine dilatata, sub-recta). L. 

 6—8 lin. 



Borneo, Sarawak (Wallace). 



Prosternum sul)compressed, the intercoxal process triangular, 

 margined, depressed at the apex; mesostcrnum constricted in the 

 middle. 



Thorax with the sides rounded, posterior angles produced, base 

 bi- sinuate. 



Triplatoma pnbescens, sp. n. 



Brunnea, obovata,, convexa sat longe flavohirta, crebre punc- 

 tata; thorace lateribus rotundatis, reflexis, angulis posticis pro- 

 ductis acutis; elytris convexis, sulcatis, maculis rufis indetermi- 

 natis variegatis ; corpore subtus pubescente, prosterno lato, ajnce 

 sub-emarginato. L. C^- lin. 



Ceylon. 



Antennae elongate, club compressed, 1st joint elongate-trian- 

 gular. 



Triplatoma cceca. 



Elafer err,cus, Fah. Gen. Ins. 234 (1777). 



elegans, Pal. Beauv. Ins. cVAfr. 10. T. vii. f. 4. 



EpiscapJut Cijeca, Lac. Erot. 62. 



Trvplaioma apkalis, Westw. Ann. N. II. viii. 173. 



Old Calabar, Cajie Coast Castle, Benin, etc. 



Plagiopisthen. 



Thorns. Ann. Ent. Soc. Fr. 1856, 321 (typ. paradoxus, Thoms.). 



Antenna? as in Triplatoma; eyes broadly margined by the 

 genas ; thorax longer than broad, sides rounded and strongly 

 margined, anteiior angles acute, produced ; prosternum convex, 

 aj)ex emarginate; mcsosteriium convex; ventral process broad, 

 sub- truncate. 



Plagiopisthen paradoxus. 



Plaqiopisihen para.doxvs, Thorns. Ann. 8oc. Ent. Ft. 1856, 

 321. T. vii. f. 5. 



