74 PAPERS ON INSECTS AFFECTING VEGETABLES. 



From the above record the stages are as follows: 



Days. 



Egg stage -- .♦ . 8 



Larval stage 23 



Pupal stage 8 



Total 39 



A pair of these moths mated June 9 and were placed in a separate 



cage. 



Second generation. 



June 9 Moths mated. 



June 10 First eggs deposited. 



June 20 Eggs hatched. 



July 5 First cocoons formed. 



July 6 First larvae pupated. 



July 17 First adulto issued. 



From the above record the stages are as follows: 



Days. 



Egg stage 10 



Larval stage 16 



Pupal stage 10 



Total 36 



A pair of these moths mated July 24 and were placed in a separate 

 cage. 



Third generation. 



July 24 Moths mated. 



July 26 First eggs deposited. 



July 31 Eggs hatched. 



Aug. 12 First cocoons formed. 



Aug. 13 First larvae pupated. 



Aug. 21 First adults issued. 



From the above record the stages are as follows: 



Days. 



Egg stage 5 



Larval stage 13 



Pupal stage 8 



Total 26 



A pair of these moths mated August 24 and were placed in a sepa- 

 rate cage. 



Fourth generation. 



Aug. 24 Moths mated. 



Aug. 25 First eggs deposited. 



Sept. 1 Eggs hatched. 



Sept. 26 First cocoons formed. 



Sept. 28 First larvae pupated. 



Oct. 11 First adults issued. 



From the above record the stages are as follows: 



Days. 



Egg stage 7 



Larval stage • 27 



Pupal stage 13 



Total 47 



