No. 3.] Forest treet. 115 



On Salix elegans, Wall. Natural Order Salicinece, Willow. 



1. Oligotrophies saligneus n. sp. Family Cecidomyiidae. Order 

 Diptera. 



In June, 1900, Mr. F. Gleadow, Deputy Director of the Imperial 

 Forest School, Dehra Dun, sent some gall-gnats and galls formed on 

 Salix elegans, Wall, from Tehri Garhwal in the Western Himalayas 

 at 9,000 feet. He reports that the perfect insects emerge in the 

 month of May, and that the pupa-cases remain fixed in the holes of 

 emergence. 



Plate xvi, fig. 1, ? imago, dorsal view; la, ? imago, lateral 

 view; id., front view of head of 9 ; \c, antenna of $ ; id, antenna 

 of ? ; le, genitalia of $ ; if, ovipositor of ? ; ig and ih, pupa 

 at different stages ; 1 i, gall — all much enlarged except the gall. 



On Picea morinda, Link. Natural Order Coniferce. The Hima- 

 layan Spruce Fir. 



1. Eucosma sp. (? tedella, CI). Sub-order Phalsenas, Order 

 Lepidoptera. 



Plate XV, figs la, larva; lb pupa; 1 male imago — all twice 

 natural size. 



In "Indian Museum Notes/' vol. iv, n. 1, pages 19 to 21 (1896) 

 appears a note on a microlepidopterous caterpillar said to be destroy- 

 ing the Himalayan Spruce Fir {Abies Smithiana, Forbes, which is a 

 synonym of Picea morinda, Link.) in the Jaunsar forests of the 

 Western Himalayas, A specimen of the moth was reared in the 

 Museum and sent to Mr. J. H. Durrant of Tretford, who writes 

 under date 25th March, 1901, that it belongs to the genus Eucosma, 

 and reminds one of E. tedella, CI., a European species with similar 

 habits, and may not improbably be that species, but the example is 

 not perfect enough for certain identification, the costal fold being in 

 an unrecognisable condition. 



Plate XV, figs, la shows the larva; ib, the pupa; and 1 the 

 <J moth— all X2. 



Bambusa sp. Natural Order Gramineae. The Bamboo. 



1. Matapa aria, Moore. Family Hesperiidse. Sub-order Rhopa* 

 locera. Order Lepidoptera. 



The larva of this butterfly was found commonly in Calcutta feed- 

 ing on the leaves of bamboo during the rains. As usual with the 



