66 RECORDS OK THE ArSTRALIAN MTSEUM. 



Group xi. Species with pubescence on tlie eyes (Therioplectes). 



Tabands i.mperfectus, Wall-er. 



Lish Dipt., i. (1848), p. 179; Ricardo, Ann. Mag. Nat. Hist. (8), xvi. 



(1915), p. 278. 



(J. Leng-tb, 10 ; wicltli of lieacl, 3.5 ; lengtb of wing, 8 mm. 



Antennae, palpi and tborax similar to $. Abdomen with a grey basal 

 band on the second segment in addition to the posterior band ; tibiae 

 blackish, first tarsals black. Wings grey; veins and stigma black; 

 appendix present. 



Hah. — Wedge Ba}', Tasmania. (Collector and donor. — G. H. Hardy). 



Tabands rainrowi, .*p. vov. 



(J. Length, 11.5 ; width of head, 4- ; length of wing, 10 mm. 



A small species with black thorax. Abdomen orange-riifons with a 

 broad black stripe the whole length gradually tapering to the apex. Legs 

 orange-rufous. Wings faintU' 3'ellow. 



llpiid. — Face and cheeks black, daik reddisli-brown lound the base 

 of tlie antennae ; sub-callns dai'k reddish-brown ; first and second joints 

 of the antennte reddish-yellow, with dense black pubescence, third joint 

 wanting; palpi light yellowish-brown, second joint swollen and longer 

 than the first, ending in a blunt point ; pubescence long and black with a 

 few long grey hairs in addition on the first joint; eyes black, facets small, 

 densely covered with short grey pubescence ; beard dense, grey, with 

 scattered black hairs. 



Thord.r. — Black, clothed with long, erect black bail's ; sides orange- 

 rufous, with long black j)ubescence from the wing roots to tlie apex of the 

 shoulders ; scutellum black, pubescence black: pleurae black with scattered 

 grey hairs. 



Ahdnmen. — Orange-rufous ; first segment black, apical margin orange- 

 rufous, black in the centre, remaining segments, except the last, with 

 large black median spots gradually tapering in width to the apex and 

 forming a continuous stripe, apical segmeiit orange-rufous; pubescence 

 black, golden on the segmentations, the black bairs are long on the sides ; 

 venter orange-i-ufous, pubescence mixed grej"^ and black. 



Lpijif. — Coxae black, with long black pubescence, basal half of femora 

 black, i-est oi'ange-rufous ; tibia^ orange-rufous, apices black ; fore and mid 

 tibiae almost wholly black, hind taisi with the apices black, pubescence 

 black, femora with long gi'ev pubescence beneath. 



Witxjs. — Clear; veins yellowisli-l)ro\vn ; stigma yellowisli ; no 

 appendix present. 



Ofc.s\ — Described from a single specimen, most neaily related to 7'. 

 hitxiiji)!, Walker, but may be distingiiislied by the densely pubescent eyes, 

 tlie sides of the thorax being orange-rufous, the orange-i'ufous ventei", the 

 legs and the absence of an appendix on the wings. 



It affords me much pleasure to associate the name of my friend, Mr. 

 W. J. Rainbow, with this species. 



//"/'. — King George Souml, Western Aiistiiilia. (Ct)l]ector. — 

 G. Mastei's). 



