Statherotis, Meyrick, 1909

Pinkaew, Nantasak, Muadsub, Sopita & Jaikla, Soraya, 2024, Review of the genus Statherotis Meyrick, 1909 (Lepidoptera: Tortricidae: Olethreutinae) from Thailand, with description of a new species, Zootaxa 5536 (4), pp. 536-550 : 537

Key to species of the genus Statherotis in Thailand (based on adult male)

1. Forewing with an elongate patch on costa ( Fig. 5 )...................................... olenarcha ( Meyrick, 1931)

- Forewing with a subtriangular patch on costa............................................................... 2

2. Upperside of hindwing medially with a patch of black modified scales ( Fig. 3 )...... S. discana ( Felder & Rogenhofer, 1875)

- Upperside of hindwing medially without patch of black modified scale patch...................................... 3

3. Hindwing with a large, rounded anal lobe ( Fig. 6 )............................... S. maungmaithongi Pinkaew sp. nov.

- Hindwing without large, rounded anal lobe................................................................. 4

4. Hindwing subrectangular ( Fig. 1 ), abdominal segments 6–8 with modified scales ( Fig. 24 )...... S. amaeboea ( Lower, 1896)

- Hindwing subtriangular ( Fig. 4 ), only abdominal segment 8 with a band of scale sockets at apices of posterolateral rounded lobe ( Fig. 26 )...................................................................... S. leucaspis ( Meyrick, 1902)

Figures

FIGURES 1–7. Wing pattern of Statherotis spp. 1. S. amaeboea, male. 2. do., female. 3. S. discana, male. 4. S. leucaspis, male. 5. S. olenarcha, male. 6. S. muangmaithongi sp. nov., male (holotype). 7. do., female (paratype, np13110). Scale bars = 2 mm.

FIGURES 24–28. Male abdominal sternum 8 of Statherotis spp. with modified posterolateral lobes. 24. S. amaeboea (with modified scales on terga 6–8). 25. S. discana. 26. S. leucaspis 27. S. olenarcha. 28. S. muangmaithongi sp. nov. (holotype).