904 



JOHN T. POLHEMUS 



examined spécimens from Trinidad and Surinam, thus its occurrence in Venezuela 

 is not surprising. 



Material examined: 1 Ç, Venezuela, Cueva Alfredo Jahn Miranda, 21.2.1968, 

 Bordon, Strinati. 



Micro velia cavernula n. sp. 



Apîerous Maie: Moderately long, slightly ovate, ground color yellowish 

 brovvn; marked with brown dorsally on head, posterior 2/3 of pronotum, latéral 

 portions and posterior margins of tergites, génital segments; antenna, legs except 

 for basai portions of femora, brovvnish; covered with fine pubescence. 



Head: Convex above, médian furrow inconspicuous, width across eyes 

 0.43 mm, length 0.33 mm, interocular space 15. Antennal formula I-IV, 

 11 :10: 16:23; segment 1 stout, segment 2 semi-stout, segments 3 and 4 slender; ail 

 segments with fine pubescence and longer hairs. Rostrum reaching beyond front 

 coxae. 



Thorax: Pronotal length 0.25mm; width across humeri 0.58mm; meso- 

 notum completely covered by pronotum; metanotum with angles broadly exposed; 

 pronotum slightly convex, coarsely and shallowly pitted, latéral margins broadly 

 rounded, anteriorly convergent. Legs moderately long, covered with pale hairs, 

 fore tibia with short comb (4). Measurements of legs as follows: 



Fémur Tibia Tarsal 1 Tarsal 2 



Anterior 27 22 13 



Middle 30 30 6 10 



Posterior 36 40 7 11 



Abdomen: Tergite 1 with narrow (1) transverse sulcus bordering pronotum; 

 length of abdominal tergites I-VII, 10:9:8:7:6:8:13; first génital segment pro- 

 truding from tergite 7 by 0.15 mm, emarginate apically; maximum abdominal 

 width 0.67 mm across tergite 3; connexiva moderately broad (8), slightly raised, 

 latéral margins evenly sHghtly convex. Abdomen slightly flattened medially on 

 ventrites 6 and 7, slightly depressed laterad from flattened région; segment 7 with 

 a deep excavation posteriorly (fig. 1); génital segments formed as shown in 

 figure 1 ; parameres not visible. 



Apteroiis Female : Similar to maie in gênerai appearance, but with connexiva 

 vertical anteriorly becoming reflexed over ventrites 6 and 7; body somewhat more 

 robust. 



Size : Maie: Length 1.70 mm; width 0.67 mm. Female: Length 1.87 mm; 

 width 0.70 mm. 



Material examined: Holotype (cj), Allotype (2), and paratypes 2^^, 1 ?, 

 Venezuela, Cueva Alfredo Jahn Miranda, 21.2.1968. Bordon, Strinati. Ail material 



