In reference to a doubt as to the name of this nymph cf. Eaton, Tr. Linn. Soc. Zool. (2) iii. p. 20.
Tr. Linn. Soc. xxiv. 1863, p. 62, and xxv. 1866, p. 477.
Hist. Nat. Neuropt. Ephémérines, 1843, p. 24.
Ann. Sci. Nat. Zool. (6) xiii. 1882, pp. 1-137, pls. 2-11.
Ann. Sci. Nat. Zool. (7) ix. 1890, pp. 19-87, pls. 2-5.