Mr. J. R. Malloch on Ewotic Muscaride. 271 
XXXV.—Exotic Muscaride (Diptera).—V.* 
By J. R. Mattocu, Washington, D.C. 
Subfamily Pzsowrivz. 
Genus EupHAoNIA, nov. 
Generic characters.—Arista pubescent ; eyes hairy; frons 
of female with a strong pair of cruciate bristles; upper 
orbital directed backward and outward, second directed in- 
ward. Thorax with strong presutural acrostichals ; prealar 
very long; prosternum, pteropleura, and hypopleura bare. 
Hind tibia with calear. First posterior cell not narrowed 
apically. 
Genotype, the following species. 
Euphaonia fulvohumeralis, sp. 0. 
Female.—Metallic dark blue. Head black, opaque, orbits 
and face with whitish pruinescence. ‘Thorax not vittate ; 
humeri and region immediately surrounding them and a 
streak from them to bases of wings reddish fulvous ; scu- 
tellum slightly violaceous on dise. Abdomen unmarked. 
Legs black. Wings greyish, Calyptree brown. Knobs of 
halteres fuscous. 
Eyes short-haired; frons one-third of the head-width ; 
orbits without forwardly directed bristle at middle; para- 
facial linear ; cheek as high as width of third antennal seg- 
ment, the latter 1:5 as long as second segment ; pubescence 
of arista not longer than its basal diameter. Thorax with 
two pairs of strong presutural acrostichals; postsatural 
dorso-centrals 4; posthumeral and presutural bristles dupli- 
cated; scutellum not haired below; sterno-pleurals 1:2. 
Fore tibia with one antero-dorsal and one posterior bristle ; 
mid-tibia with about six posterior bristles ; hind femur with 
about three preapical antero-ventral bristles ; hind tibia with 
four or five antero-ventral setule and three antero-dorsal 
bristles, calcar long, apical postero-dorsal bristle minute. 
Outer cross-vein straight. 
Length 6 mm. 
Type, Port Famine, Tierra del Fuego, South America 
(Charles Darwin). 
* For Part IV., see Ann. & Mag. Nat. Hist. (9) viii., Oct. 1921, 
pp. 414-425, 
