Langia zenzeroides nawai Rothschild & Jordan, 1903, Novit. zool. 9 (suppl.): 292. Type locality: Japan: Hondo [Honshu], Lake Biwa.
Japan: 1.iv-1.v (Kyushu; Honshu); vi (Honshu).
OVUM:
LARVA:
PUPA:
Larval hostplants.
Japan: Hokkaido (Sapporo); Hahajima (Konokiyama); Honshu (Tarui, nr. Lake Biwa; Fukuchiyama, nr. Kyoto; Osaka; Onyu; Takefu City; Shimojyo-mura); Shikoku (Shionoe); Kyushu (Hikosan).
Endemic to Japan.