38: 



Hawaiian Sugar Planters' Association show that it was 

 bred from material sent in 1908. 1009, and 1911. 



Mr. Sweze J (Planters' Record 2:300-366, J 910) records 

 breeding it from some lots of material received October 15,- 

 1900. Some parasites liad already emerged and died, twelve 

 were still living and twentv more emero"ed dnrino- the fol- 

 lowing week and a new generation was secured, and by No- 

 vember, eight adults of a new generation were secured from 

 dipterous puparia in cow dung, the parasite ovipositing in tlie 

 puparia. Subsequent sendings received from Oct. 28 to Jan- 

 7, 1010, produced about 475 parasites and from these and 

 the parasites secured by breedino-, colonies of 20 females and 

 20 males were liberated in ]\lanna Valley ( Xov. 1000); 21 

 females and 39 males in Xuuanu Valley (Xov. 1909) ; 26 

 females and 34 males at Waialae Dairy; 26 females and -U 

 males (iSTov. 1909) and about 12 females and 30 male- 

 (May, 1910) also on Oahu, the exact locality not desigiiated. 

 iind on Maui, at the Grove Panch, 11 females and 17 males 

 (Jan. 1910) : and a colony of 16 females and 34 males were 

 sent to the Parker Pauch on Hawaii for liberation (Dee. 

 1000). Mr. Swezey also records (Op/ CiL 7:258, 1012) re- 

 ceiving a shipment from Switzerland on Xov. 20, 1011, from 

 which 14 females and 30 males emerged during the next 

 two months of which some were liberated. 



He found that with the advent of the winter season with 

 its slight reduction of temperature most of the parasites went 

 into a hibei'uating condition on reaching full larval growth, 

 some keeping dormant in tliis way from December until ^lay. 



It is interesting to note that there is a single male of 

 this species in the collection referred to, bred out January 4. 

 1012, from a puparium brought down from Manoa Valley 

 bv ^Fi-. ]\ruir. I cannot find that the species has been seen 

 since. It does not seem that the species could in any case 

 prove very important in the control of the hoi-utly, siuce it 

 attacks the -[uiparium and this in the horn fly is tightly en- 

 •<'losed iu the hardened duns: s^o that the parasite would have 



