INSECT LIFE IN INDIA. 



439 



the public gardens at Darjiling where some 2,695,000 individuals were 

 destroyed. Lachnosterna serrala is common in Sikkim. It has red brown 

 elytra and is shown in Plate III., Fig. 4. A larger species, as apparent 

 from its grub, is common in the Himalayan Deodar forests where it is a 



Fig. 104. — Serica assamensis (Assam Duars). a. beetle on tea leaf, natural 

 size, b. beetle enlarged. (X 4). 



serious pest of young Deodar seedlings and plants. Amongst other 

 ^\ ill % f* Melolonthidee species of 



Serica, Adoretus, Anomala 

 and Holotrichia may be 

 mentioned as noxious pests. 



Fig. 106,— Serica alcocki (De.hr a 



Dun), (x 2). 

 Serica assamensis, a small 



brown beetle, was sent from 



a Duar's tea garden to the 



Indian Museum in 1899. 



It commits the most serious 



havoc in tea gardens eating 



Fig. 105.— Serica Calcutta (Calcutta), (x 4). up both leaves and the nev 



