S.IO ^Ir, (i. .T. Arrow on urin 



and in particular the liiiul tibiae of the male are strongly hcnl; 

 ami furnished with a thiek brusli of hairs. This is Cetonlu 

 lata, F., with which lleterorrhina si/lhelica, Thom<»., is 

 svn<inyn)ou.'<. It was <lescribed by Tlionison from North 

 India and by Fabricius from Java, but it has a continuous 

 ranj^e through Burma and the Malay Peninsula, and the 

 ditferonces mentioned by Thomson have no reality when a 

 series of specimens is compared. For tiiis form 1 propose 

 the new genus Euc/iloropiis. 



'I'iie chief ditferential characters of the lleterorrhina group 

 of genera may be tabulated as follows : — 



Clypeus nrnied in one or both sexes Heterorrliiiia. 



Clypt'us unarmed. 



Hind tiljia3 of S strongly curved Euchloropus. 



Hind tibi;e of (S straight. 



Sternal process elongate Anomalocera. 



Sternal process transverse lihomborrhina, 



Macronota gracilis, sp. n. 



Nigra, supra opaca, elyt.ris obscure rufis, macula postscutellare ad 

 huineros producta, fascia media transversa apicibusque nigris, 

 scutclli apice, suturaj medio liueolisquc duabus transversis post- 

 humeralibus alhis, stcrni abdominis(|uo latcribus plus minusve 

 albis ; sat parva, angustata, capitc (tuberculo lajvi postico excepto), 

 protliorace pygidioque omiiino granulosis, clypco modice cmar- 

 ginato ; prothorace fere circulari, postice leviter lobato et depresso, 

 angulis vix pcrspicuis ; siugulo elytro fortiter unicostato, lateribus 

 post humcros sat leviter sinuatis ; pedibus gracilibus, tibiis 

 anticis trideatatis, posterionbus omnibus sine dontibus. 



Long. 15 mm, 



JIah. Assam, Naga Hills. 



Black, with the elytra dark red except fur a black patch 

 behind tlie scutellura produced to the shoulders, a transverse 

 median fascia, and the apical margins, and decorated with 

 white markings consisting of a spot behind the scutellum, 

 another at the middle of theelytral suture, and two transverse 

 marginal spots on each elytron. The sides of the sternum 

 and the margins of the basal segments of the abdomen are 

 also marked with white. 



The form is very elongate, tapering behind, and the legs 

 are slender. The head, pronotum, and pygidium are coarsely 

 granulated. The head is flat, with a smooth tubercle on the 

 vertex and moderately notched in front. The prothorax is 

 almost circular in shape, with all the angles almost obsolete, 

 and moderately depressed behind. The elytra have a silky 

 sheen, and each has a strong costa and is feebly sinuated 



