183 



Plants 12 packages. 



Fruit 9 



Total refused 21 



Respectfully submitted, 



E. M. ElIRIIORN, 



Superintendent of Entomology. 



REPORT OF INSECTARY. 



Honolulu, April 30, 1915. 

 E. M. Ehrhorn, Esq., Superintendent of Entomology. 



Dear Sir : — Permit me to report the following operations in 

 the insectary during the month of April, 1915: 



Bred 6,900 Tctrastichus, 1,129 female and 2,258 male D. fnlla- 

 zvayi, 138 female and 276 male D. tryoni, 475 Spahmgia. These 

 were liberated as follows : 



Tctrastichus: 2,700 Nuuanu Valley, 2,000 in the insectary, 

 800 Tantalus, 100 U. S. Experiment Station, 400 Piikoi St. 



D. fullazvayi: 588 Nuuanu Valley, 190 in the insectary, 35 

 U. S. Experiment Station, 35 Piikoi Street, 20 Kalihi, 230 Tan- 

 talus, 35 Pensacola St. 



D. tryoni: 70 Nuuanu Valley, 10 Pensacola St. 



Spalatigia : 37? Waialae, 100 insectary. 



In producing the above parasites there were used for Tctrasti- 

 chus 3,000 pupae, and the ])arasitism is therefore in the neighbor- 

 hood of 15%; for D. fiiUawayi about 21,000 pupae, parasitism 

 5% ; for D. tryoni about 11,000 pupae, parasitism 1%. 



Respectfully submitted, 



D. T. FULLAWAY. 



Honolulu, May 31, 1915. 

 E. M. Ehrhorn, Esq., Superintendent of Forestry. 



Dear Sir : — I submit herewith my report on the work of the 

 insectary for the month of May, 1915: 



Bred 21,800 Tctrastichus, 1,043 female and 2,086 male D. fulla- 

 zvayi, 348 female and 696 male D. tryoni, 900 Spalangia and small 

 colonies of other fruit fly and dung fly parasites. Parasites were 

 liberated in the following numbers at the places named : 



Tetrastichus: 11,200' Nuuanu, 3,400 Tantalus, 1,500 Piikoi 



