BACKGROUND: A gall midge species (Diptera: Cecidomyiidae) inducing leaf bud galls on Magnolia kobus DC. var. borealis Sarg. (Magnoliaceae) was found in Hokkaido and northern Honshu, Japan. NEW INFORMATION: Based on its morphology, the species is regarded as an undescribed species of the genus Pseudasphondylia Monzen (Cecidomyiinae, Cecidomyiidi, Asphondyliini). The species is herein described as Pseudasphondylia saohimea Matsuda, Elsayed and Tokuda sp. n. The new species is easily distinguishable from its congeners by the number of adult palpal segments and the shape of the male terminalia and larval spatula.

Animal Resources Division National Institute of Biological Resources Incheon Republic of Korea Animal Resources Division National Institute of Biological Resources Incheon Republic of Korea

Biology Centre of the Czech Academy of Sciences Institute of Entomology Ceske Budejovice Czech Republic Biology Centre of the Czech Academy of Sciences Institute of Entomology Ceske Budejovice Czech Republic

Entomological Laboratory Faculty of Agriculture Kyushu University Fukuoka Japan Entomological Laboratory Faculty of Agriculture Kyushu University Fukuoka Japan

Faculty of Science University of South Bohemia Ceske Budejovice Czech Republic Faculty of Science University of South Bohemia Ceske Budejovice Czech Republic

IDEA consultants inc Yokohama Japan IDEA consultants inc Yokohama Japan

Laboratory of Systems Ecology Faculty of Agriculture Saga University Saga Japan Laboratory of Systems Ecology Faculty of Agriculture Saga University Saga Japan

Shinjo Aomori Japan Shinjo Aomori Japan

The Botanical Gardens Graduate School of Science The University of Tokyo Tokyo Japan The Botanical Gardens Graduate School of Science The University of Tokyo Tokyo Japan

The United Graduate School of Agricultural Sciences Kagoshima University Kagoshima Japan The United Graduate School of Agricultural Sciences Kagoshima University Kagoshima Japan

The University of Tokyo Hokkaido Forest Graduate School of Agricultural and Life Sciences The University of Tokyo Furano Japan The University of Tokyo Hokkaido Forest Graduate School of Agricultural and Life Sciences The University of Tokyo Furano Japan

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