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. Bulletin of the Department of Agriculture. Agriculture. THE MEDITERRANEAN FRUIT FLY. 19 well-grown though green-colored fruits of the Moa variety, the peel of which had become cracked, thus causing a break in nature's normal protection to the pulp. Figure 15 is a cross section of a Moa banana, showing the tunnels made through the pulp by the larvae, and the darkened decayed areas about the tunnels. Adults have been reared also from another variety of cooking bananas. Because flies have been reared from cooking bananas, it is not considered safe to permit their export to the coast, and t
. Bulletin of the Department of Agriculture. Agriculture. THE MEDITERRANEAN FRUIT FLY. 19 well-grown though green-colored fruits of the Moa variety, the peel of which had become cracked, thus causing a break in nature's normal protection to the pulp. Figure 15 is a cross section of a Moa banana, showing the tunnels made through the pulp by the larvae, and the darkened decayed areas about the tunnels. Adults have been reared also from another variety of cooking bananas. Because flies have been reared from cooking bananas, it is not considered safe to permit their export to the coast, and they have been placed on the list of quarantined fruits by the Federal Horticultural Board. The Chinese and Blue- fields bananas may still be exported from Hawaii, provided they are grown and inspected before ship- ment in accordance with Federal regula- tions. So far as is known, the "apple" and the "ice-cream" bananas common in Hawaii arc not in- fested. COFFEE. Coffee cherries as they ripen are favor- ite hosts of the Medi- terranean fruit fly. Fortunately, the larvae attack only the pulp surrounding the beans or seeds, and in no way affect the value of the latter (see fig. 11, h). Chemical analyses of beans from infested and uninfested cherries, tasting tests of coffee made from similar roasted beans, and weighings made of dried beans have failed to reveal any ill effect to the beans themselves due to fruit-fly attack. The unrestricted development of larvae within coffee cherries, however, does bring about certain losses to the grower and mill owner. Before parasites were introduced cherries became infested. Fig. 17.—Sweet bell pepper infested by Mediterranean fruit-fly larvte. Note that the upper right-hand portion of fruit has decayed as a result of attack. This decay later extends to all parts of the fruit. (Original.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - colorat
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