Orybina, Snellen, 1895

Qi, Mujie, Sun, Yongling & Li, Houhun, 2017, Taxonomic review of the genus Orybina Snellen, 1895 (Lepidoptera, Pyralidae, Pyralinae), with description of two new species, Zootaxa 4303 (4), pp. 545-558 : 546

Key to the species of Orybina of the world based on adults

1. Forewing with a yellow spot.............................................................................2

- Forewing without yellow spot............................................................................7

2. Forewing with yellow spot below costa....................................................................3

- Forewing with yellow spot at costa........................................................................ 4

3. Forewing with yellow spot crescent, with a silver-white spot posterolateral to yellow spot ( Fig. 2 )........... O. plangonalis

- Forewing with yellow spot rounded, without silver-white spot ( Fig. 3 )..................................... O. regalis

4. Forewing with termen distinctly convex medially, antemedial line sinuous ( Fig. 1 )........................... O. kobesi

- Forewing with termen obtusely arched, antemedial line straight.................................................5

5. Yellow spot on forewing about 1/3 length of costa; vein 1A+2A fuscous distally....................................6

- Yellow spot on forewing about 1/4 length of costa; vein 1A+2A pale gray ( Fig. 6 )........................... O. hoenei

6. Antemedial line straight, from basal 1/6 of costa to basal 2/5 of dorsum ( Fig. 5 ).................... O. puerensis sp. nov.

- Antemedial line incurved posteriorly, from basal 1/6 of costa to basal half of dorsum ( Fig. 7 )................ O. flaviplaga

7. Forewing with a pale saffron spot at median area, postmedial line of forewing slightly arched medially ( Fig. 8 )...................................................................................................... O. imperatrix

- Forewing without saffron spot at median area, postmedial line of forewing distinctly convex medially ( Fig. 4 )............................................................................................... O. bellatulla sp. nov.

Figures

FIGURES 1 – 8. Adults of Orybina spp. 1. O. kobesi, ♂; 2. O. plangonalis, ♂; 3. O. regalis, ♂; 4. O. bellatulla sp. nov., paratype, ♀; 5. O. puerensis sp. nov., holotype, ♂; 6. O. hoenei, ♂; 7. O. flaviplaga, ♂; 8. O. imperatrix, ♂. (Scale bars: 5.0 mm).