570 Longicornia Malayana. 



EuchJanis collaris. (PI. XXI. fig. 9.) 



E. capite prothoraceque rufis; elytris nigris, macula 

 ochracea medibasali ornatis. 



Hab. — Sarawak. 



Head and prothorax yellowish-red, finely and closely 

 punctured, the latter not longer than broad, gradually a 

 little broader at the side, then rather suddenly con- 

 stricted, the base broadly lobed ; scutellum small, reddish, 

 triangular; elytra strongly punctured, a little incurved 

 at the sides, somewhat spatulate posteriorly, the outer 

 margin serrate, slightly nitid, black, the base with a 

 triangular stripe ; body beneath smoky-black, pectus and 

 thorax yello-vvish-red ; legs black, bases of the femora 

 testaceous. 



Length 2 lines. 



Meeignceda. 



Merionceda, Pascoe, Trans. Ent. Soc. ser. 2, iv. 237 ; 

 Lacordaire, Gen. viii. 490. 



Caput exsertum, antice parum productum, fronte pro- 

 funde impressum. OcuU anguste sed profunda 

 emarginati, supra subapproximati. Antennae corpora 

 dimidio longiores, fusiformes [M. acuta excepta) ; 

 scapo tenue arcuato ; articulis 3 et 4 teretibus, c^eteris 

 depressis. Prothorax subcylindricus, antice angustior, 

 inaequalis. jE/Zv/^ro- abbreviata, subulata(ilf. hrachyptera 

 excepta), postice dehiscentia, apicem versus carinu- 

 lata. Pedes antici et intermedii breves, postici 

 multo longiores ; femora clavata, postica in maribus 

 pedunculata; tihice posticie arcuatas {M. suhulata 

 excepta), extus denticulatae ; tarsi omnes breves. 

 Prosterniim angustissimum. Mesosternutn am plum, 

 antice abrupte declive. Abdomen segmento basali 

 peramplo, caeteris ultimo excepto brevissimis, ex- 

 cavato-hirsutis. 



The species of this genus appear to be exceedingly 

 rare, Mr. Wallace's captures being mostly uniques j I 

 have therefore been able to pair only one of them, M. 

 suhidata, and in it I find the abnormal structure of the 

 abdomen common to both male and female, the only dif- 

 ferences between the sexes being that the male has the 



