Profenusa thomsoni (Konow, 1886)

Kumar, Deepthi S & Sankar, Manimuthu M, 2023, Taxonomic Notes and New Distribution and Host Plant Records for Sawflies and Woodwasps (Hymenoptera, Symphyta) of Japan VIII, Bulletin of the National Museum of Nature and Science. Series A, Zoology 49 (2), pp. 57-74 : 72

Profenusa thomsoni (Konow, 1886)

Japanese name: Tomuson-hamuguri-habachi

Material examined. HOKKAIDO: 1 $, Iwamizawa, Kurisawa, Mt. Sankaku-yama, 43°05′N 141°58′E, 1. VII. 2022, oviposited in Betula ermanii in captivity, H. Hara; 1$ (HH220801B), same data but coll. larva mining leaf of Betula ermanii , 1. VII. 2022, mat. 6. VIII., em. 29. VIII. 2022.

Host plants. Betulaceae : Betula ermanii Cham. (new record), Betula platyphylla Sukac- zev var. japonica (Miq.) H.Hara ( Shinohara and Hara, 2015) in Japan. For the host plants outside Japan, see Taeger et al. (1998).

Remarks. This sawfly is associated with vari- ous species of Betula .