Use of Dactylopius coccus Costa (Hemiptera: Coccoidea) Pigments in the Detection of Larvae and Pupae of Plutella xylostella (L.) (Lepidoptera: Yponomeutidae) |
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Authors: | D Goche AL Vigueras L Portillo C Llanderal |
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Affiliation: | 1. Dpto de Bot??nica y Zoolog??a, Univ de Guadalajara, Zapopan, Jalisco, Mexico 2. Entomolog??a y Acarolog??a, Colegio de Postgraduados, Campus Montecillo, Texcoco, Mexico
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Abstract: | Carmines obtained from the dye of Dactylopius coccus Costa (Hemiptera: Coccoidea) were used for the detection of larvae and pupae of Plutella xylostella (L.) (Lepidoptera: Yponomeutidae) in broccoli inflorescences. Larvae were dyed with carmine II and red cochineal, while the majority of the dyes, with the exception of carmine III and the aqueous extract, were suitable to dye pupae. In the broccoli lumps exposed to the dyes, only the verge of the stems were actually dyed, right in the position where the incision took place, an appropriate characteristic for implementing this technique for commercial use. |
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