280 PROCEEDESTGS OF THE NATIONAL MUSEUM vol. loe 



Legs of the same color as the body, pubescent. Anterior femora 

 and tibiae short, compressed ; tibiae feebly dilated at base, perforated 

 with two oval t3Tnpana; metatarsi very short. Median legs a little 

 longer than the anterior, almost of the same shape. Posterior 

 femora rather short and thick, adorned in the middle of the external 

 face with a longitudinal brown band; tibiae finely serrulated, armed 

 with four yellow spines on each margin; external apical spurs very 

 short; median and chiefly superointernal spur longer but not so long 

 as half the metatarsus; the latter is rather long, very pubescent, 

 almost carinate above, armed with four denticles placed on a single 

 row; apical spurs rather long, chiefly the internal; 3d joint very 

 slender. 



Elytra extending somewhat beyond the abdominal extremity; anal 

 field large; archet broken at right angle; muTor much mder than 

 long, angulate in front, rounded backwards in the shape of a long oval, 

 divided in the middle by a horizontal vein; diagonal vein short, 

 feebl}^ curved; chords parallel; seven feebly sinuated oblique veins; 

 apical field rather short, presenting four veins and very few trans- 

 verse veinlets; lateral field wrapping; Sc bearing nine branches; 

 space between Sc and R crossed bj^ regularly parallel veinlets. Wings 

 not longer than the elytra. 



Length of body 12.0 mm.; posterior femur 8.2 mm.; elytra 8.5 mm.; 

 width of elytra 4.3 mm. 



Diatrypa latipennis, new species 



Figure 4,o 



Holotype: Male; Tingo Maria, Peril, December 1949, AUard 

 (USNM 62080). 



Male: Very close to the preceding but of a lighter color and with 

 elytra more strongly widening backwards. General color of a light 

 testaceous; pubescence very fine, rather abundant. Head flattened 

 above ; face as long as wide, testaceous. Antennae yellow vriih feebl}" 

 marked small brown rings. Palpi testaceous; 4th joint of maxillary 

 palpi shorter than 3d, 5th equaling the 3d, feebly enlarged and 

 straightly truncated at apex. Pronotum feebly narrowing in front, 

 with posterior margin feebly convex. Legs as in allardi. Elytra 

 amber-colored, nearly transparent, rather strongly widening caudad, 

 with brown veins; archet feebly curved; mirror strongly transverse 

 with acute anterior angle (right in allardi); seven oblique veins; apical 

 field very short with three veins. Wings not visible beyond the elytra. 

 Subgenital plate narrowing and very feebly notched backwards. 

 Genitalia (fig. 4,o) of the same type as allardi but narrower at apex. 



Length of body 10.5 mm.; length with wings 12.0 mm.; posterior 

 femur 8.0 mm.; elytra 9.0 mm.; width of elytra 5.0 mm. 



