278 PROCEEDINGS OF THE NATIONAL MUSEUM vol. loe 



Specimens examined: 45 specimens, including both sexes, of this 

 very common species are included from the following localities: 

 Bolivia: Covendo; Espia; Huachi; Rurrenabaque. Brazil: Manaos; 

 Forteleza. PERt;: Chanchamayo; Fundo Chela; Pucallpa; Tingo 

 Maria. 



Eneoptera guyanensis Chopard 



Eneoptera guyanensis Chopard, Bull. Soc. Ent. France, vol. 36, p. 14, 1931. 

 Specimens examined: Brazil: Manaos (Icf, 19), Merrill. 



Genus Eneopteroides, new genus 



Description: General aspect as in Eneoptera; legs shorter; frontal 

 rostrum much narrower, scarcely wider than the first antennal joint; 

 5th joint of maxillary palpi in the shape of a very wide triangle. 

 A-nterior tibiae perforated on the internal face with a long foramen. 

 Elytra of the male without a mirror. 



Type of genus: Eneopteroides flavifrons, new species. 



Eneopteroides flavifrons, new species 



Figure 4,Z 



Holotype: Male; Pucallpa, Rio UcuyaH, Peru, Dec. 9, 1947, 

 Schunke (USNM 62079). 



Male: Head a httle wider than the pronotum, short, vertex sloping; 

 blackish brown above with four short yellow lines on the occiput; 

 frontal rostrum scarcely wider than the 1st antennal joint, yellow. 

 Face triangular, as long as wide, presenting between the eyes a wide 

 yellow band; inferior part brown, shining. Palpi rather short, brown; 

 4th joint of the max-illary palpi equahng the 3d, feebly widening at 

 apex; 5th joint very large, triangular with straight apical margin. 

 Antennae yellow. Eyes rounded, rather strongly projecting; ocelH 

 rather small, disposed almost on a straight hne. 



Pronotum transverse, feebly narrowing in front, with anterior 

 margin feebly concave, posterior margin nearly straight; disk almost 

 flat, brownish bordered on each side by a narrow yellow band; lateral 

 lobes blackish with convex inferior margin. Abdomen yellowish 

 above, brownish beneath; subgenital plate long, furrowed in the apical 

 thu-d only, slightly notched at apex. Cerci yellowish mottled ^^ith 

 brown. Genitalia long and narrow, a httle truncated at apex (fig. 4,Z). 



Legs short. Anterior femora almost black; tibiae thick, feebly 

 compressed, dark brown, lighter above chiefly near the base; internal 

 face presenting a rather large, oval, narrow auditory foramen; meta- 

 tarsus extremely short, brown; 2d joint flattened, 3d long and slender, 

 yellow. Median legs similar to the anterior ones but with the 

 femora yellowish at base. Posterior femora short and thick, present- 



