292 Mr. R. S. Bagnall on new Thysanoptera. 



Antennal joint 1 light grey-brown ; 2 darker brown, con- 

 colorous with the head ; 3 clear lemon-yellow ; 4 also yellow, 

 but slightly deeper, and in some specimens tinged lightly 

 with grey ; 5 (except base, which is light) to 8 chestnut- 

 brown. Wings very light grey ; a dark greyish-brown 

 patch across each fore wing from the basal fifth to about the 

 middle ; hind vein with dark median vein extending almost 

 to tip. 



Head as long as, or very slightly longer than, broad, 

 about as long as the prothorax, and 0*5 the length of the 

 antennae. Antennal joint G not divided ; prothorax without 

 setse at posterior angles. Wings broad near base, a few 

 spines on both upper and lower veins of fore wing, irregu- 

 larly placed and inconspicuous. 



Hab. Egypt : Bahteem, near Cairo, May 1st, 1911, com- 

 mon on maize (F. C. Willcochs). 



E. alternans closely approaches E. sudanensis (Tryb.), 

 but is sharply distinguished by the lighter basal joint of 

 antennsn, the yellow prothorax, and the long head. It is also 

 a larger insect. 



Physoilirips lefroyt, sp. n. (Tea-flower thrips). 



A very distinctive species. 

 ? . — Length 1*4 to 1*7 mm. 



Yellowish-white, lemon-yellow to yellow in darker speci- 

 mens ; bristles, cilia of wings, and antennal joints 2, 4, and 

 6 rich reddish brown. Antennal joint 4 basally yellow, and 

 5 only lightly tinged with reddish brown. Relative length 

 of joints 3 to 8 as follows :— 26 : 26 : 21 : 21 : 3 : 5. 



Spines in upper vein of fore wing 2 + 3 near base, 1 near 

 middle, and 2 in distal third. Apical abdominal spines long. 



g . — Slightly smaller. Ninth tergite with six stout dorsal 

 spines ; four moderately long, forming an obverse arc, and a 

 pair of shorter and stouter ones placed on a higher plane and 

 rnedianly within the circumference of the arc. Spines and 

 cilia more lightly coloured and antennas practically uni- 

 colorous. 



Ilab. India: Lebong, Darjeeling, Bengal, in the flowers 

 of tea, Feb. 6th, 1909 {Maxwell Lefroy). 



Named in honour of Prof. Maxwell Lefroy. 



Physothrips funtutnice, sp. n. (Rubber thrips). 



? . — Length .1-45 to 1*6 mm. 

 Colour dark grey-brown ; legs rather lighter and fore-tibiae 



