11 



HONOLULU WATERSHED. 



The work done in the Makiki Valley and Sugarloaf sections 

 consisted of hoeing and cleaning, also the planting of 185 koa 

 trees. Preparations are being made for the planting of more koa 

 trees in Opu Valley. 



ADVICE AND ASSISTANCE. 



The writer has made the following number of calls and other- 

 wise given advice and assistance at the request of people in and 

 around the city : 



Calls made 7 



Advice given people calling 8 



Advice given by telephone 5 



Respectfully submitted, 



David Haughs, 

 Forest Nurseryman. 



Division of Entomology 



Honolulu, Hawaii, January 16, 1919. 



Board of Commissioners of Agriculture and 

 Forestry, Honolulu. 



Gentlemen : — During the month of December the insectary 

 handled 21,900 pupae of the melon fly, from which 2641 females 

 and 2411 males of Opius fletcheri were bred. 



The distribution of parasites was as follows : 



MELON FLY PARASITES. 



Opius fletcheri. 

 Oahu : 



Females. Males. 



Moiliili 1320 1510 



Kailua 640 750 



Hawaii : 



Kamuela 800 960 



FRUIT FLY PARASITES. 



Opius humilis. 

 Oahu: 



Nuuanu Valley 130 90 



