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Relative cabbage consumption by the cabbage looper (Lepidoptera: Noctuidae), beet armyworm (Lepidoptera: Noctuidae), and diamondback moth (Lepidoptera: Plutellidae)



Relative cabbage consumption by the cabbage looper (Lepidoptera: Noctuidae), beet armyworm (Lepidoptera: Noctuidae), and diamondback moth (Lepidoptera: Plutellidae)



Journal of Economic Entomology 82(5): 1367-1369



In a laboratory feeding study, larvae of the diamondback moth, Plutella xylostella (L.); beet armyworm, Spodoptera exigua (Hubner); and cabbage looper, Trichoplusia ni (Hubner), consumed a mean of 0.13, 1.53, and 4.27 g of cabbage foliage per larva, respectively, during their larval development. The consumption ratio for the diamondback moth, beet armyworm, and cabbage looper based on mean consumption per larva was 1:11.8:32.8. The diamondback moth, beet armyworm, and cabbage looper took a mean of 14.2, 39.3, and 25.7 d, respectively, to complete larval development at 25 +/- 1 degree C. The consumption ratio for the three species, as listed, based on mean consumption in grams per day, was 1:4.3:18.4.

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Accession: 001930882

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DOI: 10.1093/jee/82.5.1367



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