87 
behind with a transverse depression, testaceous yellow, silky, 
with a broad black vitta in the middle, and another still broader 
on each side above the sockets of the haunches. Elytra elon- 
gated, depressed, with the sides nearly parallel, obliquely trun- 
cated at the apex, with the external angle of the truncature pro- 
duced and acute ; surface thickly punctured, sooty black, with 
an indistinct pale streak in the middle of the base on each side. 
Body beneath black, with the exception of the pro- and meso- 
sterna, which are yellow. Legs black, coxse and base of thighs 
yellow ; thighs slenderly clavate ; tarsi slender, the basal joint 
elongated. 
One example, taken at Para. 
4. Lepturges complanatuSy n. sp. 
L. oblongus, depressus, carneo-griseus, fusco maculatus : thoracis 
spinis lateralibus angulos posticos constituentibus : elytris apice 
singulatim rotundatis. Long. lin. S • 
Head black. Antennse reddish, with the extreme tips of all 
the joints dusky. Thorax blackish, clothed with ashy change- 
able pile, the lateral spines coincident with the posterior angles. 
Elytra oblong, broadly rounded at the tips, plane above and 
thickly punctured, with a slight indication of two longitudinal 
raised lines on each, pinkish grey in colour, with five dark brown 
spots or patches, — namely, one, minute, under the humeral angle; 
one, linear-oblique, in the middle of the base; a third, subtri- 
angular, on the side near the base ; a fourth extending as a broad 
irregular fascia nearly to the suture ; and a fifth, wedge-shaped, 
near the apex. Body beneath and legs dusky. Front and 
middle thighs thickly clavate ; hind thighs more slender. Tarsi 
moderately elongated. 
One example, taken at S. Paulo, Upper Amazons, flying in 
the evening. 
5. Lepturges amabilisj n. sp. 
L. oblongus, depressus, griseus : thoracis spinis lateralibus prope 
angulos posticos sitis : elytris griseo nigroque laete variegatis, apice 
breviter oblique truncatis. Long. 3| lin. c? $ • 
Head sooty black. Antennse greatly elongated, pitchy black. 
Thorax grey ; the disk occupied by two large square black spots, 
which leave only a central line and the margins of the ground- 
colour; the lateral spines are prominent and porrect, a small 
space only intervening between them and the hind margin. 
Elytra oblong, very slightly narrowing towards the apex, which 
latter is obliquely and briefly truncated ; the surface is slightly 
depressed and closely punctured ; the colour is clear grey, with 
(on each) four black spots, — namely, one, oval-oblique, in the 
middle of the base ; a second, elongate-bilobed, on the side near 
