ART. 23 FLIES OF THE FAMILY SAPEOMYZIDAE — MALLOOH 15 



almost entirely blackened ; apices of tarsi dark. Wings almost uni- 

 formly fuscous, paler along costa at base, and slightly hyaline along 

 hind border basally. Halteres yellow. 



Frons a little longer than wide, all the bristles except the ocellar 

 pair long and strong; antennae normal; arista with its longest hairs 

 not as long as width of third antennal segment; face almost flat; 

 eyes tapered below, cheek very narrow. Thorax with two pairs of 

 long strong dorsocentral bristles, in front of anterior pair a pair 

 of short setulae, one pair of strong, prescutellar acrostichals, and 

 about 12 series of intradorsocentral hairs ; intra-alar short ; only one 

 sternopleural present. Fore femur without an anteroventral comb. 

 Inner cross vein close to middle of discal cell. 



Length, 4.5 mm. 



One female, Cabima, Panama, May 29, 1911 (A. Busck). 



Type.— C2it. No. 40957, U.S.N.M. 



MINETTIA TUCUMANENSIS, new species 



Male. — Shining pale brownish yellow. Frons except the orbits 

 dull ; antennae and palpi pale. Thoracic dorsum not vittate ; scutel- 

 lum with a deep black spot at base of each apical bristle. Abdomen 

 with a black central streak on each of the apical three or four tergites. 

 Wings dear, with the following dark brown marks : A broad costal 

 streak from base round apex, extending to middle of submarginal 

 cell, connecting with the dark marks on apices of veins 3 and 4 and 

 fused with the spot over inner cross vein and the two spots on apical 

 section of third vein, a conspicuous cloud over outer cross vein, and 

 a fainter one on base of third vein. Halteres brownish yellow. 



Frons a little longer than wide, parallel-sided, orbital and vertical 

 bristles long and strong, ocellar pair very short and fine ; face almost 

 flat; arista pubescent; some of the bristles on lower portion of occiput 

 quite well developed. Thorax with three pairs of strong postsutural 

 dorsocentrals, one pair of strong prescutellar acrostichals, tlie intra- 

 alar not very strong, and about 10 series of intradorsocentral hairs; 

 both sternopleurals strong; prosternum haired. Abdomen ovate. 

 Fore femur without a definite anteroventral comb ; mid tibia without 

 posterior setulae. Inner cross vein a little beyond middle of discal 

 cell. 



Length, 5 mm. 



One male, collected at light between Tucuman and Jujuy, Argen- 

 tina, on May 4, 1927, by Max Kislink, jr. 



^2/^^.— Male; Cat. No. 40956, U.S.M.C. 



MINETTIA QUADRATA, new species 



Female.— Shmmg testaceous yellow. Ocellar spot slightly dark- 

 ened; antennae and palpi yellow. Thorax not vittate. Abdomen 



