New record of an alien gall midge, Oligotrophus betheli (Diptera: Cecidomyiidae) on a North American Juniperus horizontalis (Cupressaceae) in Japan, with reference to its ecological traits and possibility of further dispersal and host range expansion

Junichi Yukawa, Hiroyuki Yoshimura, Kazunori Matsuo, Wanggyu Kim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

On the basis of adult morphological features together with the profile of infestation on the host plant, we identify a gall midge that is responsible for the discoloration of young twig tips of Juniperus horizontalis Moench (Cupressaceae) in Japan to be Oligotrophus betheli Felt (Diptera: Cecidomyiidae). Both O. betheli and J. horizontalis are native to North America. This is the sixth example of an alien gall midge on its alien host plant in Japan. Oligotrophus betheli is redescribed to offer some morphological characteristics that were not given previously. Information on the distribution, host range, life history pattern and daily activity of O. betheli is provided and the possibility of its further dispersal and host range expansion is discussed. A larval parasitoid is identified to the generic level and the effect of spiders that catch adult gall midges in their webs is discussed.

Original languageEnglish
Pages (from-to)417-427
Number of pages11
JournalApplied Entomology and Zoology
Volume52
Issue number3
DOIs
Publication statusPublished - Aug 1 2017

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Oligotrophus betheli
Juniperus horizontalis
Cupressaceae
Cecidomyiidae
host range
Japan
host plants
introduced plants
discoloration
Araneae
life history

All Science Journal Classification (ASJC) codes

  • Insect Science

Cite this

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title = "New record of an alien gall midge, Oligotrophus betheli (Diptera: Cecidomyiidae) on a North American Juniperus horizontalis (Cupressaceae) in Japan, with reference to its ecological traits and possibility of further dispersal and host range expansion",
abstract = "On the basis of adult morphological features together with the profile of infestation on the host plant, we identify a gall midge that is responsible for the discoloration of young twig tips of Juniperus horizontalis Moench (Cupressaceae) in Japan to be Oligotrophus betheli Felt (Diptera: Cecidomyiidae). Both O. betheli and J. horizontalis are native to North America. This is the sixth example of an alien gall midge on its alien host plant in Japan. Oligotrophus betheli is redescribed to offer some morphological characteristics that were not given previously. Information on the distribution, host range, life history pattern and daily activity of O. betheli is provided and the possibility of its further dispersal and host range expansion is discussed. A larval parasitoid is identified to the generic level and the effect of spiders that catch adult gall midges in their webs is discussed.",
author = "Junichi Yukawa and Hiroyuki Yoshimura and Kazunori Matsuo and Wanggyu Kim",
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AU - Matsuo, Kazunori

AU - Kim, Wanggyu

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AB - On the basis of adult morphological features together with the profile of infestation on the host plant, we identify a gall midge that is responsible for the discoloration of young twig tips of Juniperus horizontalis Moench (Cupressaceae) in Japan to be Oligotrophus betheli Felt (Diptera: Cecidomyiidae). Both O. betheli and J. horizontalis are native to North America. This is the sixth example of an alien gall midge on its alien host plant in Japan. Oligotrophus betheli is redescribed to offer some morphological characteristics that were not given previously. Information on the distribution, host range, life history pattern and daily activity of O. betheli is provided and the possibility of its further dispersal and host range expansion is discussed. A larval parasitoid is identified to the generic level and the effect of spiders that catch adult gall midges in their webs is discussed.

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