12 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 119 



spots with rugae around them; postero-exterior angles II to V not 

 protruding; VI makes a step with VII; the latter produced backward 

 as a triangular process, reaching to tip of hypopygium. Paratergites 

 cylindrical, directed obliquely up and backward. Hypopygium dorso- 

 caudal, flattened on disc, with an ovate median elevation on lower 

 half. Spiracles II to VII lateral, visible from above; those of VIII 

 terminal. 



Color. — Yellow bro-wn, partially darker. 



Measurements. — Total length 2.36 mm.; width of pronotum 

 0.84 mm.; width of abdomen 1.04 mm. 



HoLOTYPE. — Male, Livingston, Guatemala; deposited in Drake 

 collection (USNM type 67586). 



Kolpodaptera minuta, new species, is related to K. panamensis 

 Usinger and Matsuda from which it may be separated by head shorter 

 than width across the eyes; eyes less prominent; antenniferous 

 tubercles relatively shorter; postero-exterior angle of connexival 

 segment VII also relatively shorter; proportions of antennal segment 

 14 : 6 : 9 : 10, whereas in K. panamensis they are 15:9:10:14. 



Kolpodaptera rugosa, new species 



Female. — Apterous; ovate; thickly covered with greyish incrusta- 

 tion and accumulated dirt; under incrustation glabrous and shiny. 



Head shorter than width across eyes (14:15.5). Anterior process 

 short and robust, cleft anteriorly, genae longer than clypeus and 

 pointed, reaching basal one-third of antennal segment I. Anten- 

 niferous tubercles short, robust, broad at base, subacute apically. 

 Eyes moderately prominent, with convex facets. Postocular borders 

 strongly convergent. Vertex with a short longitudinal ridge flanked 

 by two (1 + 1) thin carinae, behind them with two (1 + 1) smaU, but 

 prominent tubercles. Antennae strong, more than twice as long as 

 head (29.5:14); proportions of antennal segments 10:5:7:7.5. Ros- 

 trum short, reaching hindborder of shallow, wide rostral groove. 



Pronotum much shorter than width across humeri (8:28); mesono- 

 tum wider than pronotum (34 :28) ; metanotmn wider than mesonotum 

 (39:34). Anterolateral angles of the pronotum rounded; lateral 

 borders divergent backward. Collar thin, smooth. Median carina 

 starts at middle of disc and fuses poteriorly with triangular plate 

 formed by median portions of meso-, metanotum, and tergiun I. 

 Laterally pro-, meso-, and metanotum separated from each other by 

 deep, transverse furrows. Median, triangular plate on meso-, and 

 metanotum with a double median carina, roughly, longitudinally 

 rugose laterally. Laterad of the median triangular plate, pro-, meso-, 

 and metanotum roughly, irregularly rugose. Along lateral borders 

 pro-, meso-, and metanotum roughly granulate. 



