420 
Mr. H. W. Bates on Cerambycidc^ 
boso, postice contractor dorso longitudinaliter rugoso- 
plicato ; elytris nitidis, apice arcuatim truncatis, supra 
lineola obliqua prope basin maculaque subtriangulari 
pone medium flavo-testaceis ; pectore et abdominis seg- 
mentis 1-2 argenteo-fasciatis ; antennis grossis, com- 
pressis, utroque sexu dimidium corporis vix superantibus. 
Long. 9 lin. S ? . 
Hah . — Upper Amazons. Found motionless on leaves 
of trees in the day-time. 
2. Stenygra contracta. 
Pascoe, Journ. of Entom. i. 355. 
Elongata, elytris medio coarctatis et depressis ; a 8. 
angustata differt macula unica elytrorum pone medium 
elongata obliqua; antennis 8 filiformibus, longitudine 
corporis ; elytris truncatis, angulo exteriori longe 
spinoso. 
Long. 8 lin. J". 
Hah. — Ega. 
3. Stenygra cosmocera. 
White, Cat. Longic. Brit. Mus. p. 221. 
Elongata, elytris medio hand coarctatis, supra vix 
depressis, castanea, polita; thorace ovato, basi constricto, 
dorso l 80 vi, binodoso ; elytris apice truncatis, angulo 
exteriori dentato, supra macula elongata obliqua prope 
basin, altera triangular! marginal! apud medium, flavo- 
testaceis. 
Long. 7^-8 lin. 
-Para. 
Genus Phimosia, nov. gen. 
Gen. Platyarthro {Gnev.= Coelartlir on, Thoms., Lacord.) 
proximo affine ; differt articulis antennarum quadrangu- 
latis,' dilatato-compressis, subtus dense ciliatis. Caput 
pone oculos valde elongatum, antice incrassatum; man- 
dibulis utroque sexu fortibus, bidentatis, abrupte curvatis. 
