90 Mr. F. M. van der Wulp on 



Laphein^. 



14, Hoplistomera caliginosa, n. sp. $ . 



Brownish-black ; abdomen with yellow or white hind borders of 

 the segments ; tibiae and tarsi rufous ; wings slightly infuscated at 

 the tip. 



Length 13-14.5 mm. 



Face grey, thickly clothed with whitish hairs ; mystax pale 

 yellow, hardly reaching the middle of the face ; front and occiput 

 grey, with whitish bristles ; beard white. Antennse as long as the 

 head ; the basal joints brownish-rufous ; third joint black, lighter 

 towards the base, as long as the basal joints together. Proboscis 

 shining black ; palpi black, with whitish hairs. Thoracic dorsum 

 brown, but on account of a short white pilosity appearing cinereous ; 

 the shoulders, the sides and the pleurce whitish ; a brown stripe from 

 the shoulders to the root of the wings ; scutellum cinereous ; the 

 bristles before the halteres are whitish, and there are no other bristles 

 on the thorax or scutellum. Abdomen conical, convex, bro^\^lish- 

 black ; the hind borders of all the segments are white, in some 

 lights showing yellow or brownish-yellow reflections ; on the sides 

 of each segment are some very short, yellow bristles ; ovipositor 

 shorter than the preceding segment, partly shining rufous, with 

 yellow hairs. Legs robust, the femora, especially the hind pair, 

 incrassated ; fore coxa) densely white-haired ; femora black ; in the 

 fore and middle pair the underside and tip, in the hind pair the base 

 and tip are rufous ; tibiae and tarsi rufous ; all this coloration more 

 or less altered by a short white pilosity ; bristles of the legs, in- 

 cluding the tarsi, yellowish ; some short black spines on the under- 

 side of the hind femora. Halteres pale yellow. Wings (PI. Ill, 

 fig. 2) greyish -hyaline, the tip and the terminal portion of the hind 

 margin slightly infuscated ; small cross-vein at a short distance from 

 the base of the discal cell. 



Two female specimens, from Haithalhim and Lahej. 



15. Hoplistomera leucocoma, n, sp. ^ $ . 



Greyish-cinereous ; antennae and legs rufous ; wings hyaline. 



Length 9.5-11 mm. 



Front and occiput grey ; face densely clothed with white hairs ; 

 the similarly coloured mystax densely covering the oral margin ; 

 beard and the hairs on the occiput likewise white. . Antennae 

 yellowish-rufous ; the second joint with some long, pale bristles j. 



