collected by the late M. Mouhot, §c. 319 
Agrilus ceruleicollis, n. sp. 
A. capite thoraceque ceeruleis, punctatis, transverseque striatis ; 
elytris punctatis, zreo-pubescentibus, fascia cyanea infra 
medium ornatis, apice rotundato et denticulato. 
Head blue, slightly swollen, punctate, striate transversely, fur- 
rowed on the vertex and between the eyes. Thorax blue, slightly 
narrowed behind ; anterior margin slightly produced, sides almost 
straight, lateral carine much arched behind; disk punctate, the 
punctures arranged in flexuose transverse striz, sides slightly 
foveated near the anterior angles, base lobed with a shallow 
dorsal fovea. Elytra punctured, bronzy, covered with a greyish 
pubescence, the apical two-thirds of their entire length cyaneous- 
blue and smooth; sides straight for two-thirds of their length, 
then converging to the apex, which is rounded and slightly den- 
ticulate. (Abdomen wanting.) Under side of thorax and breast 
blue, punctured, and slightly hairy. 
Length 5 lines; breadth 13. 
Siam. 
Agrilus viridicupreus, n. sp. 
A. capite purpureo-brunneo, transverse striato ; thorace zreo- 
viridi, punctato transverseque striato, impressionibus duabus 
discalibus ; elytris cupreo-viridibus, minute rugosis: Subtus 
aureo-viridis, punctatus. 
Head brownish-purple, punctured and transversely striated, 
furrowed on the vertex. ,Thorax olive-green, once and a-half as 
broad as long, anterior margin slightly rounded, angles produced, 
sides rounded and slightly converging posteriorly, base with a 
slight lobe; disk deeply punctured and transversely ridged, 
dorsal line with two shallow impressions, one near the base, the 
other almost touching the anterior margin. Elytra twice and 
a-half as long as broad, sides straight for more than half their 
length, apex rounded and denticulate; disk green and rugose, 
sides with coppery reflexions. Underside and legs brilliant 
golden-green, punctured. 
Length 33 lines ; breadth 3. 
Laas. 
VOL. V. THIRD SERIES, PART IlI.— JUNE, 1866 Z 
