PHYSOTHRIPS INJURIOUS TO TEA IN INDIA. 



63 



9 with 4 principal dorsal spines, the hindmost pair being shorter and stouter, situated 

 one on each side of the median line, and the upper pair being more widely separated 

 and about 1'5 times as long as the posterior pair (fig. 1 b). 



Type in the British Museum of Natural History. 



Received by the Imperial Bureau of Entomology from Mr. E. A. Andrews, of 

 the Indian Tea Association. The data are as follows ; India, Rington, T.E., Dar- 

 jiling Dist., June 1916, from tea bushes (I.B.E. No. 119, Bagn. Reg. No. 285). 

 There are female examples in material submitted by Prof. Maxwell Lefroy, taken 

 at Lebong, India, on the same plant, Sept. 1908. 



Physothrips lefroyi, Bagnall (fig. 2). 



Physoihrips lefroyi, Bagnall, Ann. Mag. Nat. Hist. (8) xii, 1913, p. 292. 



$. Length, 1"4 to 17 mm. 



Yellowish white, lemon yellow to yellow in darker specimens ; abdominal setae, 

 setae end cilia of wings reddish brown. Antennae pale yellowish-white to lemon- 

 yellow, with joints 2, 4 and 6 rich reddish-brown ; 2 fighter distally, 4 yellowish 



Fig. 2. Physothrips lefroyi, Bagn. : a, head 

 and prothorax of $ ; b, specialised spines on 

 tergite 9 of (J ; c, outline of segments 3-8 of 

 antenna of $ (note that segment 3 is twisted — - 

 practically reversed — in the example figured). 



basally and 5 lightly tinged with reddish brown distally ; joint 1 almost clear, paler 

 than any of the others. 



Head as long as broad ; eyes somewhat prominent and moderately coarsely 

 facetted, pigmentation deep purplish-black ; cheeks somewhat angularly swollen 



