402 Mr. E. S. Bagnall on new Thysanoptera, 



Genus EuCH^TOTHRiPS, nov. 



Head not quite as long as broad, broadest anteriorly ] 

 vertex broadly rounded, with antennae seated below ; a dorso- 

 lateral hump or prominence behind each eye. Maxillary palpi 

 apparently 3-jointed. Antennse with single-jointed style, 

 7-jointed. 



Prothorax about as long as the head, a pair of long mid- 

 lateral bristles as well as those at posterior angles ; antero- 

 onarginal setce rather long. Wings as in Thrips s. s. Outer 

 margins of all tibice with a pair of long outstanding slender 

 hairs or bristles near apices and one or tioo, not quite so long, 

 near middle. 



Abdomen sharply narrowed from segment 8 to apex, 

 terminal bristles long and strong. 



Nearest Thrips (Bagnallia gioup), but characterized at 

 once by the italicized features in above diagnosis. 



Type. Thrips hroli, Schille. 



Genus Thrips s. s. 

 a. Flavus group. 



Thrips flavidus , sp. n. 



? . — General colour, shape, and size as in Thrips flavus, 

 Sch. (as described by IJzel). Antennse about 2*5 times as 

 long as the head ; first joint white, 2 deep yellow tinged 

 with grey; 3 lighter yellow with distal third grey-brown; 

 4 dark grey-brown, yellow basally; 5 dark grey-brown with 

 basal three-fifths (0'6) sharply light yellow; 6 dark grey- 

 brown, inclined to be yellowish basally in some specimens ; 

 style dark grey-brown. Eelative lengths of segments 3 to 7 

 as follows :— 30 : 28 : 20 : 28 : 7. 



Prothorax about as long as head, more transverse than in 

 flavus; setEB at hind angles shorter than in T. flavus (16 as 

 to 23). Apical abdominal setse much as in T. flavus, but 

 relatively shorter. 



S . — Smaller and more slender, whitish. Antennal joint 

 6 with the basal two-fifths (0-4) distinctly yellow. Eighth 

 tergite with a weakly arcuate series of long slender setge. 



Type. Hope Department of Zoology, University Museum, 

 Oxford. 



Bab, Japan, Kobe, June 1915 {J. E. A. Lewis). 



