Séancc du '21 Mai 1913. 71 



\vilh ils host. The l)adly infested cottonseed is mostly 

 exported from Egypt for crnshing and therefore the 

 deslrnclion of Pink Bolhvorm in such seed is not of 

 very great importance to Egypt. In the sample of 

 third and fourth picking seed in which the mite was 

 discovered 6" „ of the seed contained Pink Bolhvorm, 

 so in this seed miles have not to march far for a 

 host; and at a high temperature such as prevails at 

 present, we have the conditions for a rapid increase. 

 It has yet to he ascertained if the mites can easily 

 penetrate the cocoon in which the hosl encloses itself 

 within the collonseed. 



The life hislcry of Ihe Pcdiculoidcs is as follows: 

 The creature is viviparous the males and females 

 hecoming sexnally mature within the hody of the 

 female thus almost immedialcly male with the males 

 and then search for a host. Having attached them- 

 selves to a Pink Bolhvorm Ihe ahdomen commences 

 to increase enormously inside owing to the develop- 

 ment of the young. When mature the abdomen 

 reaches the size of a pinshead the rest of the body 

 being almost microscopic. 



The young are born gradually and finally the 

 female's reproductive powers being exhausted she 

 dies. It has been recorded that under favourable 

 conditions there may be a generation in every four 

 days. 



The attachnienl of the larval mites results in the 

 death of the Pink Bolhvorm which becomes yellow 

 in colour but the pink marking remains. The body 

 is also preserved until the mites have extracted all 

 its tluid contents. 



These miles attack man in the larval stage and 



