Fenusa dohrnii (Tischbein, 1846)

Bourke, Joanna, 2024, Taxonomic Notes and New Distribution and Host Plant Records for Sawflies and Woodwasps (Hymenoptera, Symphyta) of Japan IX, Bulletin of the National Museum of Nature and Science. Series A, Zoology 50 (1), pp. 19-32 : 28

Fenusa dohrnii (Tischbein, 1846)

Japanese name: Hanno-hamuguri-habachi

Material examined. HONSHU: Tochigi Pref.: 1 ♀, Nakagawa , Yamata, coll. larva mining leaf of Alnus hirsuta var. hirsuta 28. V. 2023, mat. 31. V., em. 16. VI. 2023, S. Ibuki .

Host plant. Betulaceae : Alnus fauriei H.Lév. et Vaniot ( Togashi, 1972), A. hirsuta Turcz. var. hirsuta (new record), A. japonica (Thunb.) Steud. ( Okutani, 1959, 1967). l Alnus rugosa , A. incana , A. glutinosa z in Europe ( Taeger et al., 1998).

Remarks. This Holarctic species is associated with various species of Alnus ( Okutani, 1959, 1967; Togashi, 1972; Taeger et al., 1998), but A. hirsuta var. hirsuta has not been recorded as a host plant so far.