Ressia, Sinev, 1988

publication ID	https://doi.org/ 10.11646/zootaxa.5360.4.7
publication LSID	lsid:zoobank.org:pub:E967718F-F071-49BC-B69D-D4D0E8979530
DOI	https://doi.org/10.5281/zenodo.10169368
persistent identifier	https://treatment.plazi.org/id/03B1879A-FF99-FFF5-FF78-DAAAFA462073
treatment provided by	Plazi
scientific name	Ressia
status

Key to the species of Ressia based on external characters and male genitalia

1. Forewing with a narrow fascia and three distal speckles....................................................... 2

- Forewing with a narrow fascia and four distal speckles........................................................ 6

2. Forewing markings with pale blue metallic luster ( Fig. 5 View FIGURES 3‒8 )...................................... R. forcipata sp. nov.

- Forewing markings without metallic luster................................................................. 3

3. Subbasal fascia of forewing with anterior 1/4 much narrower and ill-defined ( Fig. 7 View FIGURES 3‒8 )............... R. semilunata sp. nov.

- Subbasal fascia of forewing uniformly narrow.............................................................. 4

4. Pleural lobes of eighth segment with a furcella at base on dorsal margin ( Fig. 12 View FIGURES 9‒14 )...................... R. quercidentella

- Pleural lobes of eighth segment without a furcella at base on dorsal margin....................................... 5

5. Pleural lobes of eighth segment narrowed to apex; cucullus auriculate ( Fig. 9 View FIGURES 9‒14 )............................ R. auriculata

- Pleural lobes of eighth segment widened to apex; cucullus subelliptical ( Fig. 14 View FIGURES 9‒14 )...................... R. sinevi sp. nov.

6. Pleural lobes with one ventroapical process ( Fig. 10 View FIGURES 9‒14 )......................................... R. disparilis sp. nov.

- Pleural lobes with two ventroapical processes ( Sinev 1988, p. 115, fig. 13)............................... R. tonkinella