INSTITUTE AND COLLEGE, PUSA, FOR 1912-13. 71 



vestigations on the biology of beetles affecting stored pro- 

 ducts. Mr. M. N. De has continued in charge of the Silk 

 House and has carried out the hybridisation work with 

 Mulberry silkworms and has also assisted in the prepara- 

 tion of sample silk pieces with both Eri and Mulberry 

 Silk. 



II. — Training. 



The private student deputed by the Department of 

 Agriculture, Travancore, continued his training until 

 March 14th when he returned to his State for three months 

 to study the particular pests of the State and returned on 

 July 4th to work up the material he had collected and to 

 continue his training. A student, deputed by the Assam 

 Department of Agriculture, was admitted on November 1st, 

 1912, for training. A student from the Agricultural Col- 

 lege, Giza, Egypt, was admitted on August 1st at the re- 

 quest of the Government of Egypt for a three months' train- 

 ing in practical entomology. Nine students have attended 

 the short courses in Sericulture. Seven students attended 

 the two short courses in Lac Cultivation, five in June and 

 two in October. 



III. — Research. 



The investigation into the so-called " Psylla " disease 

 of indigo was carried on and the practical results have 

 been published- General enquiries into the biology and 

 habits of insect pests have been continued and among those 

 studied may be mentioned Painted Bug, Anar Butterfly, 

 Termites (White-ants) and Bollworms and their parasites. 

 An investigation has also been commenced, at the request 

 of the Punjab Government, into methods for preserving 

 wheat stored in bins from damage by beetles. 



IV. — Insect Survey. 



Additions have been made to the general collections 

 during the year. Specimens of Orthopiera sent to Mr. 

 Kirby, Homoytera to Mr. Banks, Ichneumonidce to Mr. 



