Laboratory infestation of cotton bolls by Mediterranean fruit fly (Diptera: Tephritidae)
1998
Yokoyama, V.Y. | Jang, E.B. | Schneider, E.L. | Miller, G.T.
Adults of laboratory-reared Mediterranean fruit fly, Ceratitis capitata (Wiedemann), laid eggs, and mature larvae developed in green intact bolls of cotton, Gossypium hirsutum L., in laboratory cage tests. Cotton bolls collected from early-season plants (102 d old) supported more larvae that developed to pupae (70.07 +/- 13.13 pupae per kilogram of bolls) (mean +/- SEM) than bolls collected from the top (23.34 +/- 5.66 pupae per kilogram of bolls) and bottom (0 pupae per kilogram of bolls) of late-season plants (175 d old). Pupal weight and adult emergence was similar among insects reared from bolls collected from either early-season plants (4.4 +/- 0.7 mg, 23.8 +/- 13.1% emergence) or the top of late-season plants (4.5 +/- 0.3 mg, 30.2 +/- 9.6% emergence). The number of eggs laid by adults and percentage egg hatch were similar between adults that had been reared from bolls from early-season plants (47.6 eggs per female, 67.8% hatch) and bolls from the tops of late-season plants (38 eggs per female, 81.6% hatch).
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