NO. 2227. FLIES FROM GUAM AND THE PHILIPPINES— PARKER. 95 



bristly; costal spiiie vestigial; section III of costa slightly greater 

 than section V; calypters whitish, margins fringed with whitish hair. 



Legs. — Dark. Posterior femur clothed beneath with long, fine 

 hairs, that become longer and beard-like posteriorly; anterior face 

 with well-developed upper and intermediate rows of bristles, lower 

 row represented by only two bristles at distal end and v/ith longer, 

 slender, bristle-like hairs proximal to them; posterior face without 

 ventral row of bristles: tibia with long, well developed anterior and 

 posterior beards, latter the longer and more dense; anterior face 

 with a smgle slender, median bristle (besides those near median dorsal 

 ridge) on distal portion: tarsus not shorter than tibia. Middle femur 

 clothed beneath on posterior, proximal half with pro- 

 nouFiCed beard-hke growth of long hairs; anterior, 

 ventral row of short bristles present only on distal 

 half, posterior row represented only by strong ' ' comb " : 

 tibia clothed beneath on distal half with long hair 

 that tends to become beard-like anteriorly and pos- 

 teriorly; submeso- tibial bristle absent. Ventral sur- 

 face of anterior coxa with a row of bristles at each 

 side only. 



Chaetotaxy. — Anterior dorsocentrals short, but ^^ oribntalls' 

 longer fehan vestiture of praescutmn ; acrostichals and (Same lettering 

 inner presuturals absent: only last two pairs postsu- 

 tural dorsocentrals well developed; prescutellar acrostichals present: 

 scutellar apicals present: three sternopleurals, strong: lower sterno- 

 pleiira with long bristle-Uke hair. 



Abdomen. — Clothed above with short reclinate bristles, beneath 

 with longer erect hairs that become still longer on fourth notum. 



Chaetotaxy. — Second segment without dorsal, marginal bristles; 

 third with two dorsal and on each side two lateral. 



Genital segments. — Second segment shining black, first dull and 

 brownish. First, in profile slightly arched, marginal bristles absent, 

 restiture shorter and finer than on second; second, rotund, slightly 

 flattened, vestiture on center long and somewhat bristle-like, anal area 

 small. Forceps black, separated from slightly beyond base, tips bent 

 forward and a little convergent; base with long, fine hairs; at forward 

 bend near tip of prongs each with a tuft of prominent bristles (see 

 in profile). 



Genitalia. — Claspers blackish, anterior pair very broad. Distal 

 portion of penis brownish, with very large, lateral, chitinous processes 

 extending anteriorly. 



Described from one male specimen collected by B. Arce and 

 bearing label, "Ace. No. 1317, Bur. Agr. P. I." 



Range. — Philippine Islands. 



The parafrontals, genae, and posterior eye orbits are golden 

 pinoUose. The abdomen of the type-specimen is so distorted that 



