BIOLOGY, HABITS AND GUESTS OF THE ROOT BUG Blissus leucopterus (SAY) (HEMIPTERA: LYGAEIDAE)
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This study was conducted under laboratory and greenhouse conditions at the Entomology Laboratory of "Nataima" Research Center (ICA) at Espinal, Tolima. Results on the life cycle of Blissus leucopterus showed a mean duration of 8,42 and 26.0 days for the egg and nymphal stages respectively. Nymphs passed through five instars. Longevity was higher for adult females - 97.98 days -than for adult males - 91.08 days. The total duration in days, from egg to adult was 35.99 and 31.58 for females and males respectively. The pre-oviposition period was 7.69 days. On average, females oviposited 153.22 eggs with 92% of fertility. One generation averaged 10,82 weeks. Echinochloa colo-num (L.) Link (Graminea) was one of the best hosts for the chinch bug.
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