NOVITATES ZOOLOGICAE XXI. li)14. 273 



Thoracic bristles: Humeral, 1. Post-humeral, 0. Notopleural, 2. Prae- 

 sutural, 1 in <?, in ?. Supra-alar, 2. Intra-alar, 1. Post-alar, 2 (in ? type of 

 f;enot.yi)e 2 on one side, 3 on the other). Dorso-central, 2. Inner dorso-central, 

 or 1 (in ? type of genotype 1 on one side, on the other). Sciitellar, 7 (2 pvae- 

 basal, 1 basal, 2 intercalary (between basal and snbapical), 1 subapical, 1 apical ; no 

 praeapical nor dorsal, definitely distingnishable as such from the minnte bristles 

 covering the sciitellnm). Mesopleural, 3 to 5. Sternoplenral, 1 (posterior). IIiipo- 

 pleural, 9 to 11. 



Abdomen somewhat cylindrical in (?, flattened dorso-veutrally in ?, clothed 

 with minnte bristles, which are only slightly longer on hind margin of third tergite 

 and on posterior portion of fourth ; 3 hypopygium small and deflexed. 



\yin(/s : common base {rameau basal antcrieur of French authors) of auxiliary 

 and first longitudinal veins liairy, bearing in 3, on posterior surface of upper side, a 

 row of fairly long hairs, and bearing in ? a row of short hairs. Wing membrane 

 strongly rilled. 



Legs slender,clothed with minute bristles, the few larger bristles also of small size. 



Typical species, Villeneuviella harterti sp. nov. 



In recognition of much kind assistance, the anthor has great pleasure in 

 associating the name of Dr. Villeneuve with this remarkable genus. 



Villeneuviella harterti sp. nov. 



c? ?. Length, S (1 specimen) just under 10 mm., ? (1 specimen) 10'6 mm.; width 

 of head, cJ 3-5 mm., ? 3'5 mm. ; width of front in centre, S O'To mm., ? 2 mm. ; 

 length of wing, S 9 mm., ? 9'7o mm. 



Cinnamon-coloured (face in both sexes paler, cream-buff : front in S and. tergites 

 of first two abdominal segments in same sex also paler, buff) ; thorax and. abdomen 

 devoid of markings (except in case of S a pair of indistinct, wirroio, divergent, 

 impressed, admedian longitudinal stripes on dorsum of anterior portion of thorax, 

 commencing on front margin and terminating soon after passing transverse suture), 

 thorax uniformh/ covered with i/ellowish-greij pollen, abdomen similnrbj covered loith 

 whitish-greij (or gellowish-greg) pollen; wings with a, pale isnbella-coloured tinge, 

 unicolorous ; legs uniformly cinnamon-coloured. 



Head: frontal stripe orange-buff in S, paler (buff-yellow) in ? ; jowls of 

 moderate depth, deeper in ? than in S ; proboscis chestnut-brown at distal extremity 

 in 3, cinnamon-rufous in ? ; palpi straw-yellow in S, raw-sienna-coloured in ? ; 

 antennae orange-ochraceous, third joint in c^ paler (cream-buft'J, arista orange- 

 ochraceous, with a clove-brown band beyond middle and cream-buff at tip. 



Thorax : all bristles, like those on abdomen and legs, black : under surface of 

 tip of scutellum 'bearing a few small pale hairs. 



Abdomen : hind margin of first three tergites in i cream-buff. 



Wings : veins for most part cinnamon-coloured, posterior transverse vein and 

 distal portion of fourth longitudinal vein mummy-brown ; hairs on common base of 

 auxiliary and first longitudinal veins pale yellowish in <S , l)lack in ?, in some' cases 

 black or lilackish at base in o also. 



Squamae pale isabella-coloured in c?, paler (whitish) in ¥. 



Ilalteres cream-buff. 



Legs : coxae and femora greyish poUinose ; claws black, jialer at base. 



Southern Aloeria : types of 3 and ? from the south of Ghardaia, 26-30. v. 

 1912 (Dr. E. J. 0. Hartert and V. Hilgert). 



