Distinguishing the externally similar imagines of Tiracola plagiata and T. aureata whose forewing lengths were shown to overlap (Lepidoptera, Noctuidae)

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  • 前翅長が重複することが判明した酷似種ノコバヨトウ(Tiracola plagiata)とオオノコバヨトウ(Tiracola aureata)を識別する

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Abstract

Two species of the genus Tiracola Moore known from Japan, T. plagiata and T. aureata, have very similar wing markings and very variable coloration of the forewings. They have been considered to be distinguishable easily from each other by the lengths of the forewings. Usually T. aureata has been believed to be larger than T. plagiata. However, by measurement of the forewings, we have found that some specimens of T. plagiata are larger than T. aureata. We have therefore developed discrimination methods for them using the female genitalia and standard DNA barcoding. As a result, we could distinguish them by the characteristics of the antrum of the female genitalia. Furthermore, we could distinguish them successfully using standard DNA barcoding (COI).

Journal

  • Lepidoptera Science

    Lepidoptera Science 64 (3), 123-127, 2013

    THE LEPIDOPTEROLOGICAL SOCIETY OF JAPAN

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