Mesoneura mikagei Togashi, 1998

Ryoo, Seung-Woo, Min, Jin-Young, Son, Seok-Yoon, Choi, Baek-Yong, Choi, Juho & Min, Kyoung-Bok, 2022, Taxonomic Notes and New Distribution and Host Plant Records for Sawflies and Woodwasps (Hymenoptera, Symphyta) of Japan VII, Bulletin of the National Museum of Nature and Science. Series A, Zoology 48 (4), pp. 193-213 : 208-209

Mesoneura mikagei Togashi, 1998

Japanese name: Ô-kuro-hanebiro-habachi

( Fig. 10C, D )

Larva. Early to semifinal instars: head and legs black ( Fig. 10C ); trunk pale green, with subspi- racular lobes black. For final instar, see Hara et al. (2018).

Material examined. Honshu: Tochigi Pref.: 15 $7 Ə, Nakagawa, Bato , 36°44′N 140°09′E, coll. larvae on Acer amoenum var. amoenum , 11. V. 2018, mat. 14–20. V., em. 17–20. IV. 2019, S. Ibuki ( Fig. 10D ) .

Host plants. Sapindaceae : Acer amoenum Carrière var. amoenum (new record), A. amoenum Carrière var. matsumurae (Koidz.) K.Ogata ( Hara et al., 2018).

Additional notes on life history. In the spring of 2018 and 2019, many young larvae ( Fig. 10D ) and eggs were found on the same tree of Acer amoenum var. amoenum in Nakagawa, Tochigi Prefecture. Eggs were laid in a young shoot in rows ( Fig. 10C ). The extra molt was not observed before maturity.

Figures

Fig. 10. A, B, Mesoneura macroptera, final feeding instar larva, 8. VI. 2018. C, D, Mesoneura mikagei: C, Eggs, 12. V. 2019; D, early instar larvae, 11. V. 2018. Photographed by Ibuki.