Papers - ISHIKAWA Tadashi
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A new species of the small water strider genus Microvelia (Hemiptera: Heteroptera: Veliidae) from the Ryukyus, Japan, with notes on the distribution of M. kyushuensis Reviewed International journal
Aiso T, Ishikawa T
Zootaxa 5468 350 - 360 2024.06
Authorship：Last author Language：English Publishing type：Research paper (scientific journal) Publisher：Magnolia Press
A new species of the small water strider genus Microvelia Westwood, 1834, M. minsa sp. nov. (Hemiptera: Heteroptera: Veliidae), is described from the Yaeyama Islands of the Ryukyus, Japan. It belongs to the subgenus Pacificovelia Andersen & Weir, 2003. This new species has long been confused with M. kyushuensis Esaki & Miyamoto, 1955, in Japan, but is distinguished from the latter by a larger and more slender body approximately 2.5 times as long as its maximum width, a pair of square gray to grayish-blue markings on abdominal mediotergites II, III, and V, and the male right paramere evenly curved with the apical half twisted.
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日本においてNiphe elongataとされるイネカメムシの学名に関して Invited Reviewed
河野勝行・石川忠
植物防疫 77 ( 12 ) 10 - 14 2023.12
Authorship：Last author Language：Japanese Publishing type：Research paper (scientific journal) Publisher：日本植物防疫協会
日本のイネカメムシにあてられたことのある学名の属の変遷（分類学的な変遷）と，日本のイネカメムシにあてられてきた学名の変遷（学名適用の変遷）に分けて解説した。
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The damsel bug genus Alloeorhynchus Fieber, 1860 (Hemiptera, Heteroptera, Nabidae) in Japan Reviewed International journal
Souma, J. and Ishikawa, T.
Check List 19 621 - 633 2023.09
Authorship：Last author Language：English Publishing type：Research paper (scientific journal) Publisher：Pensoft
The damsel bug genus Alloeorhynchus Fieber, 1860 (Hemiptera, Heteroptera, Nabidae, Prostemmatinae, Prostemmatini) comprises at least 50 species worldwide, and seven species have been recorded from East Asia. In Japan, two species, A. (Alloeorhynchus) reinhardi Kerzhner & Günther, 1999 and A. (A.) vinulus Stål, 1864, are currently known. In this study, A. (A.) notatus Distant, 1919 is reported in Japan for the first time. A geographical color variation of A. (A.) vinulus is reported based on specimens collected from Kume Island in the Ryukyu Islands.
DOI： 10.15560/19.5.621
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Catalog of Heteroptera (Insecta, Hemiptera) of the Ogasawara Islands Reviewed
Shimamoto Shusuke, Ishikawa Tadashi
Japanese Journal of Entomology (New Series) 26 ( 2 ) 84 - 106 2023.06
Authorship：Last author Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Entomological Society of Japan
<p>Regarding true bugs, or the hemipteran suborder Heteroptera, in the Ogasawara (Bonin) Islands, although the number of recorded species has increased in recent years due to the successive publication of new species and newly recorded species, the number of species listed in the insect catalog has decreased with each publication since 2000. This discrepancy is thought to be due to the oversight of the literature recording the species and the difference in the criteria for listing indeterminate species in each insect catalog, making confusion of the current state of species numbers. Therefore, we compiled a catalog of true bugs from the Ogasawara Islands by comprehensively reviewing the literature published so far, including information on the species recently added to the fauna of the islands. In the present catalog, we recognized 87 species in 25 families. Of these, 25 species are endemic to the islands, and the heteropteran fauna is characterized by a high endemic species rate among insects. True bugs have been recorded from 15 islands of the Ogasawara Islands. Of these, Chichijima and Hahajima Islands (inhabited) have 69 and 59 species, respectively, while the other islands (uninhabited) contained less than 26 species. As invasive alien species such as green anoles continue to have negative impacts on ecosystems unique to the Ogasawara Islands, comprehensive field surveys are still necessary to elucidate and conserve the species diversity in the Ogasawara Islands.</p>
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First record of the predatory stink bug species Picromerus griseus (Dallas) (Hemiptera, Heteroptera, Pentatomidae, Asopinae) in Japan, with an illustrated key to the Japanese species of the genus Picromerus Amyot & Serville Reviewed International journal
Souma, J., Utagawa, A. and Ishikawa, T.
Biodiversity Data Journal 11 e105293 2023.05
Authorship：Last author Language：English Publishing type：Research paper (scientific journal) Publisher：Pensoft
Picromerus griseus was recorded in Japan for the first time, based on a single individual collected from grasslands around the fields of Ishigaki Island of the Ryukyu Islands, which belong to the Oriental Region. This discovery represents the easternmost record of the species. An illustrated key to the species of Picromerus occurring in Japan is also provided.
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A remarkable new species of the flat bug genus Nesoproxius (Hemiptera, Aradidae), the first Oceanian representative with brachyptery Reviewed International journal
Shimamoto, S., Nagashima, S., Nagano, H. and Ishikawa, T.
ZooKeys 1146 147 - 163 2023.02
Authorship：Last author Language：English Publishing type：Research paper (scientific journal) Publisher：Pensoft
A new flat bug species, Nesoproxius kishimotoi sp. nov., from the Oceanian region (Ogasawara Islands, Japan) is described. It is the first brachypterous representative in the genus Nesoproxius. The sexual dimorphism, nymph, and habitat are also described for the first time in this genus. A key to the species of Nesoproxius is also provided.
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First record of the stink bug genus Ochrophara Stål, 1871 (Hemiptera, Heteroptera, Pentatomidae) from Japan Reviewed International journal
Souma, J. and Ishikawa, T.
Check List 18 1121 - 1125 2022.10
Language：English Publishing type：Research paper (scientific journal)
カメムシ目カメムシ科のOchrophara属と本属に含まれる種Ochrophara chinensisを、沖縄本島と石垣島から得られた標本を元に日本から初めて記録した。
DOI： 10.15560/18.5.1121
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Three new species of the genus Biasticus Stål, 1867 (Insecta, Heteroptera, Reduviidae, Harpactorinae) from Central Highlands, Vietnam Reviewed International journal
Ha NL, Truong XL, Ishikawa T, Jaitrong W, Lee CF, Chouangthavy B, Eguchi K
ZooKeys 1118 133 - 180 2022.08
Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal)
カメムシ目サシガメ科のBiasticus属に属すベトナム産の3種を、形態と分子の両側面から検討した結果に基づいて、新種として記載した。同種のオスとメスの関係は、ミトコンドリアの16S rDNAとCOI遺伝子の系統解析とよびDNAバーコーディングによって確認した。今のところ、3種すべてがベトナムの中央高地にのみに生息する。
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Taxonomic review of the tingine genera Cysteochila, Hurdchila, Physatocheila, and Xynotingis from Japan, with description of a new genus (Hemiptera: Heteroptera: Tingidae) Reviewed International journal
Souma, J. and Ishikawa, T.
Zootaxa 5150 1 - 42 2022.06
Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal)
カメムシ目グンバイムシ科のCysteochila属と他3属の日本産種を分類学的に検討し、13種を認めた。日本でC. consuetaとされていたのはC. chinianaの誤同定であることが明らかになった。Hurdchila lewisiを収容するために新属Limnostatuaを設立し、C. votaをL. lewisiの新参シノニムとした。Physatocheila chiniana, P. consuetaおよびP. eutheniaをCysteochila属からの新結合とするとともに、C. abundantis, P. consuetaおよびP. eutheniaを日本から初めて記録した。
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A new species of the flat bug genus Aneurus from Japan (Hemiptera: Heteroptera: Aradidae) Reviewed International journal
Shimamoto, S. and Ishikawa, T.
Zootaxa 5141 385 - 393 2022.05
Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal)
カメムシ目ヒラタカメムシ科のAneurus (Aneurodes) taterasanusを日本から新種として記載した。本種はAneurodes亜属では5種目の発見で、日本から本亜属は初めて記録される。本種の交尾器の挿入器は膨らませた状態で詳細に図示・記載されており、これは本種が属するヒメヒラタカメムシ亜科では初の試みである。
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First record of Urostylis hubeiensis Ren (Hemiptera, Heteroptera, Urostylididae) from Japan, with an illustrated key to the Japanese urostylidid species Reviewed International journal
Souma, J. Sakai, Y. and Ishikawa, T.
Biodiversity Data Journal 10 e83656 2022.04
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
カメムシ目クヌギカメムシ科の一種Urostylis hubeiensisを日本から初めて記録した。日本からの記録は本種の分布の東限を更新する。日本では本種は対馬に分布しており、クヌギを寄主としていることが判明した。さらに、日本で生息が確認されている全6種について検索表を作成した。
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First record of the damsel bug genus Rhamphocoris Kirkaldy, 1901 (Hemiptera, Heteroptera, Nabidae) from Japan Reviewed International journal
Souma, J. and Ishikawa, T.
Check List 18 ( 2 ) 331 - 334 2022.04
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
カメムシ目マキバサシガメ科のRhamphocoris属およびR. hasegawaiを日本から初めて記録した。日本におけるRhamphocoris hasegawaiの発見は、本種の分布の最も東からの記録となった。
DOI： 10.15560/18.2.331
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New records of the damsel bug Alloeorhynchus reinhardi Kerzhner & Günther, 1999 (Hemiptera, Heteroptera, Nabidae) from Japan Reviewed International journal
125. Souma, J., Nozaki, T., Otsui, K. and Ishikawa, T.
Check List 18 ( 2 ) 261 - 264 2022.03
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
これまで中国と韓国から知られていなかったマキバサシガメ科（カメムシ目）のAlloeorhynchus reinhardiを日本から初めて発見し記録した。本種は九州において草原の地表に生息していることも分かった。
DOI： 10.15560/18.2.261
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チビアシナガサシガメの愛知県における採集記録と採集状況
大野友豪・石川忠
佳香蝶 73 ( 288 ) 126 - 127 2021.12
Authorship：Corresponding author Language：Japanese Publishing type：Research paper (bulletin of university, research institution)
カメムシ目サシガメ科のチビアシナガサシガメの愛知県における採集記録を整理するとともに、これまでの採集状況から本種の生息環境に関する考察を行った。
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First record of the back swimmer species Anisops elstoni Brooks (Hemiptera: Notonectidae) in Japan, with a key to the Japanese species Reviewed
Watanabe, K., Mitamura, T. and Ishikawa, T.
Japanese Journal of Systematic Entomology 27 138 - 140 2021.06
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
カメムシ目マツモムシ科のコマツモムシ属に分類される水生昆虫の一種，Anisops elstoniムクゲチビコマツモムシを日本から初めて記録した．近似種のチビコマツモムシとの見分け方を示すとともに，日本産コマツモムシ属8種の検索表も示した．
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A taxonomic review of the genus Physopelta (Hemiptera: Heteroptera: Largidae) from Japan, Korea, and Taiwan, with a new record of Ph. parviceps from China Reviewed International journal
Souma, J. and Ishikawa, T.
Zootaxa 4951 ( 3 ) 461 - 491 2021.04
Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal)
日本・韓国・台湾に分布するオオホシカメムシ科のPhysopelta属を分類学的に再検討し，5種を認めた．そのうちの2種が未記載種と判明したため，台湾のPh. lutaspidataと琉球のPh. fusciscutellataを新種として記載した．残りの3種は既知種Ph. gutta gutta，Ph. parviceps，Ph. quadriguttataであった．Ph. fusciscutellataは，台湾でPh. cincticollisとPh. parvicepsとして知られていた．日本本土と韓国から記録されていたPh. cincticollisと琉球から記録されていたPh. slanbuschiiはPh. parvicepsの誤同定であったこと考えられた．さらに，Ph. parvicepsを中国から初めて記録した．
DOI： 10.11646/zootaxa.4951.3.3
Other Link： http://zoobank.org/urn:lsid:zoobank.org:pub:ADA22E04-9548-4ECC-AF84-18E51955852B
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Morphological differences in vegetative and fruit characteristics among eight pepino (Solanum muricatum Ait.) cultivars in Japan Reviewed International journal
Takahata, K., Mizumura, H., Shinohara, H., Kim, O.K., Ishikawa, T., Niwa, K., Fujisawa, H., Tada, K., Irisawa, T., Mitsui, Y., Nishio, Z., Yoshida, M., Mitarai, Y., Taniguchi, A.Y., Noguchi, H., Kazami, M., Kawaguchi, Y., Kiryu, Y., Kawabata, S. and Baba, T.
XXX International Horticulture Congress 2018 – Proceedings of the VII International Symposium on Tropical and Subtropical Fruits 43 - 49 2020.12
Language：English Publishing type：Research paper (international conference proceedings)
ナス科作物のペピーノ8品種において植物体と果実の形態的特徴を調査した．これらの結果は，日本における将来の生産や育種にとって有用な情報となった．
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Heissiella donguri sp. nov. (Hemiptera: Heteroptera: Tingidae) feeding on Quercus gilva (Fagaceae): First representative of the genus from Japan Reviewed International journal
Souma, J. and Ishikawa, T.
Zootaxa 4751 377 - 385 2020.03
Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal)
グンバイムシ科の Heissiella属を日本から初めて記録し，Tingis（Tropidocheila）sp.もしくはTingis（Tropidocheila）shaowuanaとして過去に記録された種に対して，新種H. donguriと命名記載した．この新種は，本州と九州においてブナ科のイチイガシの葉から発見された．本種の発見によってHeissiella属の分布範囲は旧北区に達することになった．
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チビアシナガサシガメPloiaria zhengiの琉球列島からの初記録 Reviewed
名嘉 猛・石川 忠
Rostria 64 74 - 75 2020.02
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)
日本では本州と九州から知られていたチビアシナガサシガメ（カメムシ目，サシガメ科）を，琉球諸島（沖縄本島）から初めて発見した．採集例の極めて少ないこのサシガメが，大径木の根本付近の樹皮や空洞で生活していることが明らかになった．
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Insect and mite pests of pepino (Solanum muricatum Ait.) in Japan Reviewed International journal
Ishikawa, T. and Takahata, K.
Biodiversity Data Journal 7 e36453 2019.08
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
ナス科作物のペピーノについて，日本における害虫相を調査した．今回の調査で34種の昆虫と4種のダニがペピーノの害虫と認められた．過去の文献で報告された害虫種とあわせて，日本には41種の昆虫とダニの害虫いることが認められた．
DOI： 10.3897/BDJ.7.e36453