Specific differences in larval and pupal characters of Japanese species of Adoxophyes (Lepidoptera, Tortricidae)
2004
Sakamaki, Y. (Kagoshima Univ. (Japan). Faculty of Agriculture) | Hayakawa, T.
Three Japanese species of Adoxophyes (A. orana fasciata Walsingham, A. honmai Yasuda, A. dubia Yasuda) are pests of various fruit trees and tea plants Although they sometimes occur on the same farm or in the same garden simultaneously, only Honma (19701 has studied identification of the immature stages. In this study, we revised the taxonomy of the immature stages of Adoxophyes. In pupa, we examined frontal setae, head shape and the number of dorsal spines, Head shape and the number of frontal setae distinguished A. orana from the other two species, The number of dorsal spines distinguished typical individuals of A. dubia from A. honmai. In larva, we examined the shape of the frons, color patterns in the stemmatal area, ratio of the diameters of the third to second stemmata and development of the inner tooth of the mandible. The color patterns in the stemmatal area and ratio of the diameters of the third to Second stemmata distinguished the larvae of the three species. In addition, we recorded new host plants for A. dubia. We discuss how identification is facilitated by using the combination of characters mentioned above.
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