THE PINK BOLLWORM. 11 
at the earliest possible date, that prompt eradicative measures may 
be taken. 
Fig. 7. — Cotton locks showing typical injury by the pink bollworm (Pectinophora 
gossypiella) . 
Under the authority of the Federal Horticultural Board, Mr. 
August Busck spent a number of months in the Hawaiian Islands in 
1905 studying the life history and habits of .the pink bollworm. His 
Fig. 8. — Cotton seed containing pink bollworms, opened to show the cells. Both the 
single and double seeded cells are shown, the double-seeded ones being broken apart. 
paper (2) on the subject is by far the most complete of any which 
has been published. The following statements regarding the life 
history and habits of the pest are based upon Mr. Busck's paper : 
