Nipponorhynchus spp. and the host plant, Chrysosplenium macrostemon var. shiobarense. 27 N. bimaculatus, adult drinking honey of the host plant 28 N. bimaculatus adult female ovipositing into a seed capsule of the host plant. 29 N. bimaculatus larva eating young seeds of host plant 30 N. mirabilis, larva eating young seeds of host plant 31 N. mirabilis pupa in cocoon in soil.

 
 
  Part of: Smith DR, Naito T (2015) Studies on Adelestini (Hymenoptera, Tenthredinidae), particularly the long-tongued Nipponorhynchus Takeuchi of Japan. Journal of Hymenoptera Research 45: 1-14. https://doi.org/10.3897/JHR.45.5442