1 HYOUS. 307 



proboscis, thin ; eyes separated in both sexes, bare ; fro us 

 narrower in d 1 , or eyes sometimes contiguous in c? . Antennae 

 porrect, with 1st joint very long, cylindrical ; 2nd quite short ; 

 3rd long, longer or shorter than 1st, elongate leaf-shaped, narrow 

 at base, pointed at tip, with distinct short style. Thorax oblong. 

 Abdomen longer than thorax, cylindrical in <$ , rather compressed 

 towards tip in 9 ; genitalia obvious. Legs slender. Wings with 

 venation as in Thereva. 



The species are rather small, elongate, and nearly bare. 



Itange. S. Europe (one species), Asia, Australia, South America, 

 with possibly a species from Africa. 



Life-histon/ unknown. 



Only three species are Indian, no other Oriental ones being 

 known. 



Table of Species. 



Third antennal joint distinctly shorter than 

 1st; all femora yellow (in var. bnmnipes 

 fore femora only pale). 



Eyes in both sexes distinctly separated ; 

 abdomen without silvery shimmer, but 

 with \ yellowish-white bands to several 



segments 6rwn, Wied., p. 307. 



Eyes in tf contiguous for some distance; 

 abdomen (dorsum) wholly covered with 

 brilliant silvery shimmer, transverse [p. 3CO. 



bands barely visible ari/entiveniris, sp. n., 



Third anteunal joint distinctly longer than 1st ; 



all legs wholly black atripes, Brim., p. 309. 



246. Phycus brunnens, Wied. (PI. Ill, figs. 21-23.) 



Phycm brunneus, Wiedemann, Analec. Ent. p. 19 (1824) ; Brunetti, 



Kec. Ind. Mus. vii, p. 479 (1912). 



Xylophayus brunneus, id., Auss. Zweifl. i, p. 85 (1828). 

 Xyluphat/us ctmescms, Walker, List Dipt. Brit. Mus. i, p. 129. 

 faycus canescens, id.. Ins. Sauud., Dipt, pt, 1, p. 2, pi. i. fig. 5 



(1850). 



6 . Head : f rons in J less than half as wide at vertex as at 

 level of antennae, where it is between one-third and one-fourth 

 the width of the head, slightly broader throughout in $ ; covered 

 on upper half with almost microscopic silver-grey pubescence, 

 lower part shining black, bare ; the shining reddish distinct ocelli 

 on a small obvious prominence ; face broad, with parallel sides 

 and silvery-white tomentum on upper part and also on each side 

 of the antennal prominence; mouth-opening large, black; pro- 

 boscis rather thick, extending forward about as far as base of 

 antennae ; palpi as long as proboscis, thin, slightly clubbed at tip, 

 black, pubescent. Antennas normally black ; 1st joint sometime? 

 brownish red or dark brown or even brownish yellow, a litt It- 

 longer than head, with microscopic grey pubescence and some 

 short bristly hairs along the underside, beset above with very short 

 stiff hairs; 2nd ioint very short, with black bristles; 3rd about 



x2 



