184 PROCEEDINGS OF THE NATIONAL MUSEUM vol. lu 



cubital cell about the middle, the second recurrent vein meets third 

 cubital cell at basal 0.35; veins and stigma dark. 



Length head and thorax 3.0 mm., abdomen 3.3 mm., forewing 5.4 

 mm., rear wing 4.0 mm. 



Holotype female: Rio Blanco, Vera Cruz, Mexico, Nov. 13, 1957, 

 R. and K. Dreisbach (USNM). 



52. Auplopiis bequaerti, new species 



Figures 16, 17 



Holotype male. Head and thorax bluish green; abdomen brown, 

 slightly yellowish on sides of fii'st tergite and on ventral segments; 

 cl3'T)eus, face, broad anterior orbits (touching antennae) to just above 

 antennae, femora except base, ventral side of forecoxae, and 

 trochanters and rest of front pair legs, except last three tarsal joints, 

 light yellow; posterior orbits wholly black, mesonotum almost black; 

 antennae brown above, yellow beneath, very slender, joints cyUndri- 

 cal; basal half of mandible black, apical half yellow; the outer front 

 edges of clypeus projecting forward beyond the middle front edge; 

 clypeus 2.0 as broad as long; upper interocular distance (12) just 

 barely greater than the lower; head 1.1 as broad as long; ratio of 

 length of third and fourth antennal joints is 8:7; lateral ocelli a trifle 

 less than 2.0 as far from eyes as from each other; clypeus and face 

 strongly silvery sericeous, thorax not nearly so pubescent, a few long 

 whitish hairs on head and thorax; wings hyaline, veins and stigmae 

 yellowish; parameres of genitalia broad and short, no cross-ridge on 

 them at any place; subgenital plate narrow, the basal triangle open 

 almost to apex. 



Length head and thorax 4.0 mm., abdomen 3.7 mm., forewing 6.6 

 mm., rear wing 4.3 mm.; length genitalia 0.80 mm., width 0.73 mm., 

 length subgenital plate 0.73 mm., width 0.37 mm. 



Holotype male: Sta. Emilia, Pochuta 1,000 M., Guatemala, 

 February and March 1931, J. Bequaert (MCZ). 



53. Auplopus gertschi, new species 



Figures 6, 7 



Holotype male. Most of head, all of thorax and all of abdomen 

 black (abdomen with brownish cast, the first tergite almost yellow on 

 sides); the outer 0.67 of clypeus and face, the anterior orbits (extend- 

 ing from eyes to base of antennae) to above antennae, white; mandibles 

 black, with apex reddish; mouth parts brownish; antennae yellowish 

 beneath (becoming more black toward apex), brown above; forecoxae 

 and trochanters yellow, the last two pairs black; all femora reddish; 

 foretibiae and first two tarsal joints yellow, last three joints brown; 

 last two pah's of legs black beyond femora, but tibial spurs mostly 

 reddish; clypeus thin on anterior rim but appearing thickened, the 



