176 



Records of the Indian Museum. 



[Vol. XIII, 



Antennae slightly longer than the body; relative lengths of 

 the five last antennal joints about as: 59. 52. 40. 10. 53. The 

 third joint bears on its basal fourth some 3-5 circular sensoriae. 

 Frontal tubercles well developed, not gibbous or protruding on the 

 innerside; frons slightly arched. 



Rostrum reaching to the second pair of coxae. 



Siphunculi very long, thin, cylindrical, but distinctly expand- 

 ed towards the base; the apex with a distinct reticulation, the 

 remainder very faintly imbricated. Cauda elongate, ensiform, 

 about half as long as the cornicles. 



Legs long and thin, with small but strong spiny hairs. (Des- 

 cribed from numerous wingless specimens). 



Food-plant unknown. 



Locality. — Soom (DarjiHng district), 4,000 — 5,000 feet, i6-vi- 

 1914 {F. H. Gravely). 



Types in the collection of the Indian Museum, Calcutta; 

 No. 5597/h- 1. 



Colour. — Head and thorax yellowish-brown ; abdomen dirty 

 yellowish. Eyes and antennae black. Legs black, base of femur 

 light yellow. Siphunculi dark brown. Cauda light yellowish. 

 Pterostigma of forewing and all veins with a brownish tinge. 

 (Notes from specimen in alcohol). 



Morphological characters. — Body broadly ovate, nearly naked. 



Antennae a little longer than the body ; relative lengths of 

 the five last antennal joints about as : 60. 42. 33. 12. 65. The 

 third joint bears on its whole length some 65 small circular sen- 

 soriae ; the fourth joint shows from 0-3 sensoriae. Frontal tubercles 

 small, slightly protruding on the inner side. 



Rostrum reaching to the second pair of coxae. 



Siphunculi moderately long, thick, only slightly swollen in 

 the middle but considerably constricted at the apex, with a dis- 

 tinct reticulation at the tip. Cauda club-shaped, about half as long 

 as the cornicles. 



Wings with normal venation ; the second fork of media i 

 fairly long, Hooking-hairs 4 in number. (Described from 3 partly 

 damaged winged females, in separate tubes). 



Food-plant unknown. 



