Mr. R. S. Bagiiall on ucio Thysanoplera. 58'J 



Kaniy, in the ,'Ujoiiited aiitenual style. From tlio latter it 

 may at once be sej)aratcd by tliu simple fore-tibiaj and tarsi 

 and the rcgul'.irly set up[)er-vein ot t"orc-\vin;j;. 



Ilomothrips distinctus, ap. n. 



? . — Lfiigtli l"-i mm. 



General colour yellow ; leg>!, basal antennal joint.^, and 

 abdomen lighter, almost white; tip of al)domen and disc (at 

 least) of tergites 2-8 slightly tinged with brown ; meso- 

 thorax near juncture with j)rothorax, the disc of pronotum 

 and the head (excepting a patch at hind corners, from the eye 

 broadening ))0.steriorly) l^rown. Antennre apj)roximate, 

 joints 3-5 weakly elaviform, G constricted at base and 

 broadly united to style ; relative length of joints 3 to d 

 approximately 15 : 14 : 11 : 13 : 3 : 3 : 5. Foiked trichomes 

 on 3 and 4. Eyes very largely facetted, and minutely and 

 sj)arsely jtilose. Ocelli set well bad:. 



Prothorax about as long as heail and about I'Q times as 

 broad as long, surface sparsel}' setose. Bristles at posterior 

 angles about U'75 the length of the prothorax. Pterothorax 

 longer than broad and broa<ler than the prothorax. Legs 

 usual, rather stout ; hind-tibiai with a double row of setai 

 inside for the distal two-thirds of its length. Wings reaching 

 to abdominal segment 8; setai of fore-wing long; costa, 

 upper vein, and lower vein furnished with 25, 22 (5 and 17), 

 and Irrespectively; lower cilia long. Abdomen long and 

 linear; segment U sharply narrowed to base of 10, and 

 bristles on these segments strong and considerably longer 

 than the segment bearing them ; i) furnished with a latero- 

 dorsal pair in addition to the series at apex. 



Half. South AfkiCA, from flowers of "sugar-bush" 

 (Proteacise), gathered at Cape Town, July 13th, I'Jl-l 

 (Professor E. J3. Foulton). 



A. PhYSOTHUIPS group. 



Genus MEGALUKOTHRirS, nov. 



Allied to Physothrips. Head with a long and strong pair 



of inter-ocellar bristles, maxillary palps Bristles 



on prothorax Mesonotum with a lon<r bristle 



somewhat remote from each shouKlcr. Both veins of fore- 

 wing regularly «et with setaj. Abdominal segments d ami 10 

 abnormally large, together longer than the length of head and 

 prothorax, sharply obcouical. 



Type. Me<julurotltrips typicus, mihi. 



