. Bulletin of the Department of Agriculture. Agriculture. 1 BULLETIN No. 643 Contribution from the Bureau of Entomology L. O. HOWARD, Chief. Washington, D. C. March 8, 1918 THE MELON By E. A. Back, Entomologist, and C. E. Pembekton, Assistant Entomologist, Mediterranean and Other Fruit Fly Investigations. CONTENTS. What the melon fly is like Origin and distribution Establishment and spread in Hawaii Methods of spread Economic importance Nature of injury caused by the melon Food or host plants Page. Interesting facts concerning the adult fly 22 Why the melon fly is a serious p
. Bulletin of the Department of Agriculture. Agriculture. 1 BULLETIN No. 643 Contribution from the Bureau of Entomology L. O. HOWARD, Chief. Washington, D. C. March 8, 1918 THE MELON By E. A. Back, Entomologist, and C. E. Pembekton, Assistant Entomologist, Mediterranean and Other Fruit Fly Investigations. CONTENTS. What the melon fly is like Origin and distribution Establishment and spread in Hawaii Methods of spread Economic importance Nature of injury caused by the melon Food or host plants Page. 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. 10 Summary. THE MELON FLY is a serious pest that never should have gained access to the Hawaiian Islands. Its establishment in Hawaii came naturally enough, as in the case of many of our Avorst 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 Bactroccra eucurbitac Coq. : order Diptera, family Trypetidae. For a more extended account of the melon fly see Back, E. A., and Pemberton, C. B. The melon fly in Hawaii. U. S. Dept. Agr. Bui. 491. 64 p., 24 pi., 10 fig. 1917. This may be obtained from the Superintendent of Documents, Government Printing Office, Washington, D. C, for 25 cents. Note
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