Mr. R. S. Bagiiall on new Thysanoptera. 589 



Kaniy, in the 3-joiiitecl aiitennal style. From the latter it 

 may at once be separated by tlie simple fore-tibiae and tarsi 

 and the reguliuly set upper-vein of fore-wing. 



Homothrips distinctus, sp. n. 



? . — Length 1"4: mm. 



General colour yellow ; legs, basal antennal joints, and 

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

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

 thorax near juncture with prothorax, the disc of protiotum 

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

 broadening posteriorly) brown. Antennae approximate, 

 joints 3-5 weakly claviform, tJ constricted at base and 

 broadly united to style ; relative length of* joints 3 to 9 

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

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

 sparsely pilose. Ocelli set well back. 



Prothoiax about as long as head and about 1*6 times as 

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

 angles about 0*75 the length of the prothorax. Pterotliorax 

 longer than broad and broader 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 15 respectively ; lower cilia long. Abdomen long and 

 linear; segment 9 sharply narrowed to base of 10, and 

 bristles on these segments strong and considerably longer 

 than the segment bearing them ; 9 furnished with a latero- 

 dorsal pair in addition to the series at a}jex. 



Ilah. South Afeica, from iiowers of "sugar-bush" 

 (Proteacise), gathered at Cape Town, July 13th, 1914 

 [Pfofessor E. J3. Poulton) . 



A. Physothrips group. 



Genus Megalurothrips, nov. 



Allied to Physothrips. Head with a long and strong pair 



of inter-ocellar bristles, maxillary palps Bristles 



on prothorax Mesonotum with a long bristle 



somewhat remote from each shoulder. Both veins of fore- 

 wing regularly set with setEe. Abdominal segments 9 and 10 

 abnormally large, together longer than the length of head and 

 prothorax, sharply obconical. 



Type. Meyalurothnps typicus, mihi. 



