Sterictiphora nipponica Takeuchi, 1939

Fu, Yuanzun, Yuan, Yuan, Shen, Qian, Xu, Hao, Ye, Zheng, Guo, Li, Wu, Xiaoliang & Zhao, Yunhe, 2021, Taxonomic Notes and New Distribution and Host Plant Records for Sawflies and Woodwasps (Hymenoptera, Symphyta) of Japan VI, Bulletin of the National Museum of Nature and Science. Series A, Zoology 47 (4), pp. 163-188 : 164

Sterictiphora nipponica Takeuchi, 1939

Japanese name: Kuwagata-habachi

( Fig. 1A )

Material examined. HONSHU: Tochigi Pref.: 1˂, Nakagawa, Hanatate-toge , 36°47′N 140°12′E, coll. larva, on Rosa multiflora , 25. V. 2015, mat. 30. V., em. 28. III. 2016, S. Ibuki .

Larva. Late instar larva pale green ( Fig. 1A ); setae inconspicuous; spiracles dark green; thoracic legs apically brownish.

Host plants. Rosaceae : Rosa luciae Rochebr. et Franch. ex Crèp. ( Okutani, 1967a), R. multiflora Thunb. (new record).

Life history. This species is univoltine. The larva is solitary and makes a cocoon in the soil. Hibernation is done in the cocoon.

Remarks. The previously unknown larva of Sterictiphora nipponica is very similar to the larvae of other congeners in appearance (cf. Macek et al., 2020). The known host plants are only Rosa .

Figures

Fig. 1. A, Late instar larva of Sterictiphora nipponica, 25. V. 2015, photographed by Ibuki. B, Phylloecus etorofensis, female, photographed by Hara. C, Dead female of Tremex apicalis on trunk of Alnus japonica, 23. V. 2021, photographed by Shinohara. D, Apethymus kunugi, female, photographed by Hara.