446 Journal of Agricultural Research voi. xviii. No. s 



until in 191 8 they caused the destruction of considerably more than half 

 of all the fruit flies developing in fruits about Honolulu. This great 

 decrease in the numbers of this pest has been of direct benefit to the 

 people of Hawaii by greatly decreasing the infestation of the fruits less 

 susceptible to fruit-fly attack, since this class contains the majority of 

 fruits of commercial value. It has been of value also to the fruit growers 

 of the mainland United States by greatly decreasing the danger of the 

 introduction of the fruit fly there. 



LITERATURE CITED 

 (i) Back, E. A., and Pemberton, C. E. 



191 5. PARASITISM AMONG THE LARV^ OF THE MEDITERRANEAN FRUIT FLY (c. 



capitata) in HAWAII IN 1914. In Bien. Rpt. Bd. Comrs. Agr. and Forestry 

 Hawaii, 1913-14, p. 153-161. 

 (2) 



1916. PARASITISM AMONG THE LARV^ OP THE MEDITERRANEAN FRUIT FLY (c. CAPI- 



tata) in HAWAII IN 1915. In Jour. Econ. Ent., v. 9, no. 2, p. 306-311. 

 (3) Pemberton, C. E., and Willard, H. F. 



1918. FRUIT-FLY PARASITISM IN HAWAII DURING 1916. In Jour. Agr. Research, 



V. 12, no. 2, p. 103-108. 

 (4) 



1918. WORK AND PARASITISM OF THE MEDITERRANEAN FRUIT FLY IN HAWAII 



DURING 1917. In Jour. Agr. Research, v. 14, no. 13, p. 605-610. 

 (5) Pemberton, C. E., and Willard, H. F. 



1918. interrelations OF FRUIT-FLY PARASITES IN HAWAII. In Jour. Agr. Re- 

 search, V. 12, no. 5, p. 285-296, pi. 10-13. 



