TOMOHIDE YASUNAGA Hokkaido University ofEducation, Sapporo THE PLANT BUG TRIBE ORTHOTYLINI IN JAPAN (HETEROPTERA: MIRIDAE: ORfHOTYLINAE)* Yasunaga, T., 1999. The plant bug tribe Orthotylini in Japan (Heteroptera: Miridae: Orthotylinae). - Tijdschrift voor Entomologie 142: 143-183, figs. 1-155. [ISSN 0040-7496]. Published 22 September 1999. The plant bug tribe Orthotylini ofJapan is revised: 33 species are recognized in I I genera. Two new genera, Makacocorn-ella and Pseudoloxopidea, and a new subgenus of the genus Orthotylus, Yamatorthotylus, are described. Thirteen new species are described: Orthotylus (0.)fuscipennis, 0. (O.)japonicus, 0. (Yamatorthotylus) xanthopoda, Blepharidopterus striatus, Dryophilocoris lu- cidus, D. rniyarnotoi, Zanchius quercicola, Z. nakatanji, Z. ryukyuensis, Z. takahashii, Z. gigan- toculus, Malacocorisella endoi, and Pseudoloxopidea pinicola. Other known taxa are diagnosed and/or redescribed, and three species, Orthotylus (O.) kurilensis Kerzhner, 0. (Melanotrichus) parvulus Reuter and Pseudoloxops imperatorius Distant, are reported from Japan for the first time. The female of Mecommajaponica Miyamoto is also documented. Brief notes on biology are given for 26 species. Photographs of 23 species and a key are also provided. Correspondence: Tomohide Yasunaga, Biological Laboratory, Natural Sciences Department, Hokkaido University of Education, Ainosato 5-3-1, Sapporo, 002-8075 Japan. E-mail:
[email protected]. Key words. - Miridae; Orthotylinse; Orthotylini; monographic revision; new genera; new sub- genus; new species; Japan. *Contribution from the Russia/Japan Cooperative East Asian Entomological Program, No. 53. Although the plant bug tribe Orthotylini is a large moto is described. Brief notes on plant association, group including numerous described genera and habit and/or habitat are given for 26 species.