TIIAIDIN.E. 131 



which seldom or never flies in the same places as the males, is so extremely rare 

 that, though for many years high rewards have been offered for it to the natives who 

 make a business of catcliing insects, only six or seven in all are known to have been 

 taken, and these mostly by chance in places outside the forest. In order to take 

 the male, one must go early in the morning in the months of June, July, or August, 

 to one of the few spots in the neighbourhood of Darjiliug, where a little cleared space 

 is found on the summit of a mountain-top. Birch Hill, Sinchul, and Tonglo are all 

 suitable places ; but the top of Sinchul, called Tiger Hill, which is over 8000 feet 

 elevation, is the best, as it is surrounded by a large trajt of virgin forest. If the 

 morning is bright and sunny, about eight o'clock one may expect to see Teinopalpus 

 flying round the tops of the trees, and occasionally settling, but usually out of reach. 

 The natives lay baits of some evil-smelling nature to attract the insect, and with 

 patience and the skilful use of a long-handled net sometimes succeed in taking two 

 or three in a morning in this manner. The insects are so strong and active in the 

 net, however, that they are difficult to get in a perfect state, and always command a 

 high price, even at Darjiling. The flight is usually over by 11 a.m., even if the 

 morning continues fine, which is very rarely the case during the rain^^ season. I 

 have seen and taken Teiuopaljms as high as 10,500 feet, on the top of Tonglo, and 

 also at Tendong and Rikisum, and I believe it occurs as far eastward as Buxa. The 

 pupa has been found by Mr. Knyvett attached to the leaves of Daphne nijialcnsis, a 

 plant which is used for making a fine, strong paper in Nepal, and a female has been 

 bred by him from one of these pupa;. This plant is probably the food-plant of the 

 larva, and grows at 7000 to 9000 feet in the virgin forests where the insect occurs " 

 (Tr. Ent. Soc. 1S88, 421). Mr. L. de Xiceville states that it is found in Sikkim, 

 flying from April to August " (Sikk. Gaz. 1894, 170). Mr. J. II. Leech records 

 " two males taken at Chang Yang, Central China" {I.e. 510). 



Our illustrations of T. Himalaicus on Plate 415 are taken from the type 

 specimens kindly lent for this purpose by Mr. Rothschild. 



TEINOPALPUS IMPERATRIX (Plate 416, fig. 1, la, (^ ? ). 

 Ttinopalpus imperairix, Je Niceville, Journ. Bombay Kat. Hist. Soc. 1899, p. 33.5, pi. BB, i^ J . 



Imago. — " Differs from T. imperial is in the following particulars. Upperside. 

 Foreicing darker green, the black ground-colour showing through the green scales 

 more prominently. Hindicing with the rich chrome-yellow discal fascia with its 

 inner edge not encroaching on the discoidal cell, instead of reaching well into it, that 

 portion of the fascia in the second subcostal interspace considerably longer ; all the 

 tooth-like projections on the outer margins much longer, especially those at the 

 terminations of the second subcostal and first median nervules. Underside. 



