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Abstract |
A new gall midge that is responsible for fruit galls on Distylium racemosum (Hammamelidaceae) in Japan in described as Asphondylia itoi sp. n. (Diptera: Cecidomyiidae). This species is distinguishable... from the other Asphondylia species and segregates by relatively small numbers of front clypeal and mesepimeral setae in adult and by morphological features of pupal head characterized by smooth antennal horns, a simple upper frontal horn, and three lobes of lower frontal horn that are arranged almost linearly. In addition to the morphological features, the DNA sequence data and biological information indicate that A. itoi is a distinct, univoltine, and monophagous species. This gall midge is now known only from OKinawa an Fukuoka Prefectures, Japan.show more
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