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DIVISION OF ENTOMOLOGY. 



REPORT OF THE ENTOMOLOGIST, APRIL, 1921. 



Honolulu, Hawaii, April 30, 1921. 



Board of Commissioners of Agriculture and Forestry, 



Honolulu, T. H. 

 Gentlemen : 



During the month of Ajiril the insectary handled 24,500 j)upae of the 

 melon fly, from which the following were bred: 3662 females and 3307 

 males. Opius fletcJieri. 



The distribution of parasites was as follows: 



MELON FLY PAEASITES. 



Opius fletcheri 



Females. Males. 

 Oahu : 



Wahiawa | 800 700 



Kalihi 500 500 



Moiliili 350 350 



Waianae 400 350 



Oahu Prison 300 300 



Keeaumoku St. 200 200 



Moanalua 400 400 



Maui : 



Kihei 400 400 



Haw aii : 



Kamuela 300 300 



FRUIT FLY PARASITES. 



Diachasm a try on i 



Females. Males. 

 Oahu: 



Kaimuki 150 150 



Kalihi Valley 350 350 



Nuuanu Ave 100 100 



BiacJiasma fullaamyi 

 Oahu: 



Kaimuki 100 100 



Kalihi Valley 225 210 



Nuuanu Ave 100 100 



Opius Jmmilis 

 Oahu: 



Kalihi Valley 50 50 



Nuuanu Ave 75 75 



Tetrasl ichus giffa rdianiis 

 Oahu: 



Kaimuki 500 



Kalihi Valley 1,400 



