Lewisister

Ho, Yu-Hsiang & Ôhara, Masahiro, 2022, Figs. 23 - 34 in The Newly Recorded Fern-spore Feeding Moths in the Genus, Meyrick 1889 (Lepidoptera: Stathmopodidae) from Taiwan, with Notes on Life History of Three Species., Zoological Studies 61 (31), pp. 1-11 : 9

Key to species of the genus Lewisister

Bickhardt, 1912

1. Small species (PEL = 2.42–3.23 mm), third dorsal stria complete, anterior part of carinal striae of prosternal keel round ( Fig. 5F ) ... ....................................................... Lewisister masumotoi sp. nov.

- Large species (PEL = 3.95–4.20 mm), third dorsal stria incomplete, present on anterior half and apical eighth, anterior part of carinal striae of prosternal keel straight ( Fig. 2F ) .............. ............................................ Lewisister excellens Bickhardt, 1912

Figures

Fig. 5. Lewisister masumotoi sp. nov. A, Head, dorsal view. B, Propygidium, dorsal view. C, Pygidium, caudal view. D, Protibia, dorsal view. E, Metatibia, ventral view. F, Prosternal keel, ventral view. Scale bar = 0.5 mm.

Fig. 2. Lewisister excellens Bickhardt, 1912. A, Head, dorsal view. B, Propygidium, dorsal view. C, Pygidium, caudal view. D, Protibia, dorsal view. E, Metatibia, ventral view. F, Prosternal keel, ventral view. Scale bar = 0.5 mm.