A. REIJNE, A COCOONSPINNING THRIl'S. 45 



preparations in Canada-balsam ; the)' relate to Franklinotlirips 

 teuìiicorìiìs HüOü. 



1 = full-grown larva. 



2 -=^ pupa of larva that pupated free. Had begun spinning 



the da}' before at 9°° a. m., but left this when disturbed, 

 was still larva at 5°° p.m. and was not spinning. Next 

 da}' at 83° a. m. it had reached the stage figured here. 



3 = adult. Abdomen slightly extended by the pressure of 



the coverglass. 



4 =^ base of cacaoleaf with one cocoon read}' and beginning 



of another. 



5 ■= tissue of cocoon. 



6 = tarsus on fore-leg of adult with hooklike appendage. 



