85 



Dr. Back stated that an important factor to consider in the 

 control of the melon flv by spraying, is the lateness at which 

 sexnal maturity is reached; mating not taking place until at 

 least three weeks after issuance from the pupa, and oviposition 

 not commencing until about a month after issuance. He also 

 stated that one great difficulty in the effective elimination of 

 this tly in an infested region is the longevity of the adults, manv 

 then being alive at the Fruitfly Insectary which were nearly 

 seven months old. 



Mr. Ehrhorn announced the recovery of two females and 

 six males of the Australian fruitfly Braconid (Diachasma try- 

 oni) from infested coffee secured from Kona, Hawaii. This is 

 the first record of the success of the introduction of this spe- 

 cies, which has resulted from the liberation of only four females 

 in Kona in June. IDlo. 



OCTOBEE 8th, 1014. 



Tlie posti^oned one hundred-tenth regular meeting of the 

 Society was held in the usual place. President Swezey in the 

 chair. Other members ju-esent : ]\[essrs. Ehrhorn, Illingworth, 

 Osborn and Pemberton. 



Minutes of previous meeting read, C(U"reoted and a]iproved. 



The Editor reported the issuance of the first number of the 

 third volume of the "Proceedings of the Hawaiian Entomolog- 

 ical Society". 



EXT( ) M OT.omc AT. PE(^(;R A M . 



.Mr. p]]irhorn stated that he had ascertained since the last 

 mci'iin'i of the Society, that the samples of infested coffee from 

 whicli he had bred Dhiclidsma injoni. as reported at that meet- 

 ing, were secured at Kaaualoa, a point about six miles from the 

 place where the original ])arasites were liberated last June. 



Prof. Illingworth stated that he had recently seen the ant. 

 Pheidole mcgacephaJa, excavate into three inches of soil and kill 

 pupae of Sphinx convoh-tili : and that he had also observed the 

 same ant follow and kill the bnri-owing cockroach, XaiipJiocfn 

 hiriff'ifa. and another roach, Lruropliocn sii>-iiia))iriisis;. as thev 

 burrowed in moist soil. 



Prof. Illingworth exhibited a 'living, active Dermestid larva 



