126 INSECUTOR INSCITI^ MENSTRUUS 



of ocellar triangle, transversely thickened in front ; median 

 portion very finely and closely strigose, with long and very line, 

 rather sparse hairs. Ocular margins white. Face and clypeus 

 broadly black in the middle, dull ferruginous red at the sides, 

 the antennal grooves silvery pruinose, the intervening ridge 

 less strongly so. Antennae ferruginous red, the third joint 

 pruinose and somewhat darkened at tip and on outer .side to 

 near base; arista slightly ciliate basally, the first two joints 

 ferruginous, the part beyond black. Palpi black. Mesonotum 

 metallic green, without pruinosity and with complete median 

 stripe and postsutural lateral stripes darker metallic blue, the 

 surface roughened and clothed with short pale hairs; trans- 

 verse suture obsolete on the disk ; humeral callosities bright 

 blue, shining, clothed with long white hairs ; macrochfetse black. 

 Scutellum concolorous with mesonotum. Pleurse metallic 

 green-blue, the meso- and sternopleurse white-pilose. Abdo- 

 men shining dark metallic green and violet-blue, the third and 

 fourth segments with broad basal bands of white hair, the 

 fifth segment nearly wholly white-haired ; second segment with 

 long outstanding white hairs at the sides. Front coxse and 

 femora bright ferruginous yellow, the latter slightly darkened 

 apically, the tibiae and tarsi wholly black. Middle and hind 

 legs with the coxae black, the femora ferruginous yellow on 

 basal half, blackish beyond ; tibiae piceous, indistinctly reddish 

 on basal half ; tarsi with the first two joints dull ferruginous 

 yellow, the distal ones black. Wiiigs hyaline inclusive of costal 

 cell ; stigma and a large subquadrate apical spot involving 

 apices of third and fourth veins blackish ; no traces of pig- 

 mentation elsewhere ; last section of the fourth vein strongly 

 bent forward beyond its middle ; scale white. Halteres white, 

 the base of stem blackish. Length : Body about T mm., 

 wing 5 mm. 



Male. — Very similar to the female in coloration. Arista 

 without palette. 



Philippine Islands (Ace. no. 239T, Bur. Agric, P. I.). 4 

 females, one male. 



Type, Cat. no. 21552, U. S. Nat. Mus. 



It gives me pleasure to dedicate this interesting species to 



