282 PROCEEDINGS OF THE NATIONAL MUSEUM vol. loe 



tened and finely shagreened above; frontal rostrum a little wider than 

 half the 1st antennal joint, flat with parallel margins. Face short and 

 wide, brown, shining. E3-es horizontally lengthened; ocelli very 

 small. Antennae rather thick, the six 1st joints blackish brown, the 

 rest yellow with very distant small brown rings. Palpi short, yellow- 

 ish with apex of each joint feebly darkened; 4th joint of the maxillarj^ 

 palpi shorter than 3d, 5th triangular, slightly longer than wide. 



Pronotum as long as wide, w^ith straight anterior margin, very 

 weakly convex posterior margin; disk feebly convex, blackish, smooth; 

 anterior margin narrowly rufous; lateral lobes very long, with straight 

 inferior margin, much-rounded anterior angle. Abdomen brown; 

 subgenital plate narrowing and feeblj- notched at apex. Ovipositor 

 rather long, straight; apical valves somewhat flattened, wide, trun- 

 cated at apex and armed with a large tooth on the external angle and 

 two teeth on the apical margin. 



Legs rather long, yellowish. Anterior femora presenting on the 

 internal face a somewhat irregular longitudinal brown band; tibiae 

 adorned above with brown, feebly enlarged at base, perforated with 

 two oval tympana, the external being much larger than the internal; 

 metatarsus very short, scared}^ longer than the 2d joint. Median 

 legs similar to the anterior ones. Posterior femora strongly dilated at 

 base, rather short; tibiae armed on each margin with four spines 

 scarcely longer than the denticles which are relatively very strong; 

 apical spurs short; metatarsus j^ellow with brown apex, compressed, 

 armed above with four denticles, apical spurs short and strong. 



Elytra a little longer than the abdomen, dark brown w4th a whitish 

 band along the edge, extending on the extremity; dorsal field with 

 feebly oblique, regularly spaced veins; K bearing two branches, Rs 

 simple, M and two anal veins curled at their extremity; transverse 

 veinlets scarce and rather irregular; lateral field very dark brown; Sc 

 with two branches. Wings scarcely exceeding the elytra. 



Length of body 9.0 mm.; length with wdngs 10.0 mm.; posterior 

 femur 6.4 mm.; elytra 6.5 mm.; ovipositor 6.3 mm. 



Genus Amblyrhetus Kirby, 1906 



Amblyrhetus nodifer, new species 



Figure 5,a,b 



Types: Holotype: Male; Chanchamayo, Department of Junin, 

 Peril, elevation 1,200 meters, May 4, 1948, Schunke (USNM 62084). 

 Allotype: Tingo Maria, Peru, November 1949, Allard (9) (USNM). 



Male: General shape rather short and thick; color uniformly rufous 

 brown; fineh' pubescent. Head rather small, short; vertex weald}' 

 flattened, scarcely sloping; frontal rostrum as wide as 1st antennal 

 joint. Face as long as wide, rufous. Antennae thick, yellowish at 



