against Different Ages of Melon Fly (Diptera: Tephritidae) Females When Applied to Border Crops of Various Widths


Abstract. GF-120 NF Naturalyte Fruit Fly Bait was evaluated for its effectiveness to prevent melon fly, Bactrocera cucurbitae (Coquillett), females of various ages from ovipositing in cucumber patches with border crops of different widths. Cohorts of color-marked, protein-fed females, eclosed after 1, 2, or 4 weeks, were released from sites outside sorghum, (Sudax bicolor x S. bicolor var. sudanense) borders 1, 2, or 4 rows deep (30, 90, and 135 cm in width, respectively). Capture rates of female B. cucurbitae were higher for 2- and 4-week-old than for 1-week-old females. Borders sprayed with GF-120 NF Naturalyte Fruit Fly Bait were effective at preventing released sexually-mature 4-wk-old females from reaching the cucumber patches only when in association with the widest border (135 cm) treatment. Our findings suggest that for maximum effectiveness against host-seeking female B. cucurbitae, GF-120 NF Naturalyte Fruit Fly Bait should be applied to broader swaths of sorghum planted as a border crop

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