270 PROCEEDINGS OF THE NATIONAL MUSEUM vol. io« 



ring near the apex; anterior tibiae perforated with two foramina in the 

 female (macropterous condition), without these tympana in the male 

 (micropterous). Posterior femora relatively short and thick, adorned 

 on the external face with a longitudinal brown band along the inferior 

 margin and numerous oblique bands of the same color, more or less 

 anatomosed. Spines of the posterior tibiae long, spotted with brown 

 at base and at apex. 



Male: Abdomen blackish beneath; subgenital plate with posterior 

 margin narrowly yellow, presenting a slight median projection. 

 Elytra extending a little beyond the abdominal extremity, yellowish, 

 translucent; mirror very large, 1% times as long as wide, with anterior 

 angle strongly acute, the widest part much beneath the middle; diag- 

 onal vein very short, sinuated; lateral field nearly transparent, with 

 three veins. No wings. 



Female: Elytra very pale yellow, translucent; the part of the left 

 elytron which is covered by the right one is smooth, completely 

 transparent; dorsal field with four rather strong, almost longitudinal 

 veins, which are separated by feebly marked false vein; transverse 

 veinlets rather numerous, strong, forming large, rectangular, rather 

 regular areolae. Wings lengthily caudate. Abdomen yellowish. 

 Ovipositor rather short, wide, with apical valves smooth, occupying 

 almost half the total length. 



Dimensions (in millimeters): Length of body 5.0; length with 

 wings, 9 9.5; posterior femur, 4.2; elytra, cf 3.7, 9 3.5; ovipositor, 2.2. 



Remarks: A small species well characterized by its relatively short 

 shape, its thick posterior femora, its coloration pale with well marked 

 light brown drawings. 



Anaxipha latefasciata, new species 



Holotype: Female; Rosario, Lake Rogagua, Bolivia, Oct. 28-Nov. 

 9, 192 L Mann (USNM 62072). 



Female: Small, yellow mth a wide brown band extending from the 

 head to the extremity of the elytra. Head short, flattened, brown 

 above; face longer than wide, yellow. Eyes feebly lengthened longi- 

 tudinally. Antennae and palpi yellow; 1st joint of antennae spotted 

 with brown on the internal face; 4th joint of maxillary palpi much 

 shorter than 3d, 5th short and wide, triangular, straightly truncated 

 at apex. 



Pronotum feebly narrowing in front, with anterior margin convex, 

 posterior margin straight; disk rather strongly convex, furrowed in 

 the middle, feebly pubescent, shining; all the median part is occupied 

 by the longitudinal brown band; lateral lobes yellow, with straight 

 inferior margin, rounded anterior angle. Abdomen brown above. 



