. Bulletin of the Department of Agriculture. Agriculture; Agriculture -- United States. S\m^''^yJ'U 1 BULLETIN No. 643 Contribution from the Bureau of Entomology L. O. HOWARD, Chief. Washington, D. C. March 8, 1918 THE MELON FLY/ By E, A. Back, Entomologist, and C. E. Pembekton, Assistant Entomologist, Mediterranean and Other Fruit Fly Investigations. '^, CONTENTS. "WTiat the melon fly is like 3 Origin and distribution 4 Establisliincnt and spread in Hawaii 4 Methods of spread 7 Economic importance 7 Nature of injury caused by the melon fly 8 Food or host plants H' Interesting facts
. Bulletin of the Department of Agriculture. Agriculture; Agriculture -- United States. S\m^''^yJ'U 1 BULLETIN No. 643 Contribution from the Bureau of Entomology L. O. HOWARD, Chief. Washington, D. C. March 8, 1918 THE MELON FLY/ By E, A. Back, Entomologist, and C. E. Pembekton, Assistant Entomologist, Mediterranean and Other Fruit Fly Investigations. '^, CONTENTS. "WTiat the melon fly is like 3 Origin and distribution 4 Establisliincnt and spread in Hawaii 4 Methods of spread 7 Economic importance 7 Nature of injury caused by the melon fly 8 Food or host plants H' Interesting facts concerning the adult fly 22 Why the melon fly is a serious pest 24 Control measures 25 Measures taken to keep fruit flies of Hawaii from gaining a foothold in continental United States 29 Summary 30 THE MELON FLY is a serious pest that never slioukl have gained access to the Hawaiian Islands. Its establishment in Hawaii came naturally enough, as in the case of many of our worst insect enemies, along with the development of unrestricted modern commerce, and owing to the lack, in earlier days, of a knowledge of pests in other lands likely to be introduced into ours, or of any quickened public opinion which, at last thoroughly alive to the great financial losses that may be averted, is to-day heartily sup- porting Federal quarantines directed against just such pests as the melon fly. The melon fly is now established thoroughly throughout the coastal regions of the Hawaiian Islands and never will be eradi- ' cated. It attacks many vegetables that otherwise could be grown readily by the poorer people, who are least able to purchase them. Melons, pumpkins, squashes, cucumbers, and tomatoes, and some 1 Bactrocera cucurhitac Coq. ; order Diptora. family Trypetidae. For a more extended account of the melon fly see Back, E. A., and Femberton, C. The melon fly in Hawaii. U. S. Dept. Agr. Bui. 401. 64 p., 24 pi., 10 flg. 1917. This may be obtained from the Superintendent of Documents,
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