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8 December 2022 First Report of the Genus Vitisiella in Japan, with Description of a New Species Inducing Leaf Galls on Vitis vinifera L. (Vitaceae)
Yoshifumi So, Ayman Khamis Elsayed, Akeo Iwasaki, Yoshie Nishiwaki, Junichi Yukawa, Makoto Tokuda
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Abstract

The genus Vitisiella (Diptera: Cecidomyiidae) is newly recorded from Japan, and Vitisiella gagnei So, Elsayed, and Tokuda, new species, which induces subglobular leaf galls on Vitis vinifera (Vitaceae) in Hokkaido, is described as new to science. The new species is distinguishable from its congeners by the combination of the following morphological features: undivided mediobasal lobes in male terminalia, ovipositor ca. 2.5 times as long as tergite VII, and larval six terminal papillae placed ventrally. We provide a fragment of the Cytochrome Oxidase subunit I (COI) mitochondrial gene sequence and report the life history and phylogenetic information for the new species.

Yoshifumi So, Ayman Khamis Elsayed, Akeo Iwasaki, Yoshie Nishiwaki, Junichi Yukawa, and Makoto Tokuda "First Report of the Genus Vitisiella in Japan, with Description of a New Species Inducing Leaf Galls on Vitis vinifera L. (Vitaceae)," Proceedings of the Entomological Society of Washington 124(3), 535-548, (8 December 2022). https://doi.org/10.4289/0013-8797.124.3.535
Published: 8 December 2022
KEYWORDS
Cecidomyiinae
Dasineurini
gall midge
grape
Vitis coignetiae
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