Squamosa

Irungbam, Jatishwor S. & Solovyev, Alexey V., 2025, A new species of genus Squamosa Bethune-Baker, 1908 (Lepidoptera: Limacodidae) from India, Zootaxa 5646 (4), pp. 586-592 : 590

Taxonomic keys to Squamosa species.

1. Ground color yellow; forewings with conspicuous, large, rounded medial patch on the outside of the cell, and narrow, curved, black subterminal line running from the costal margin to the tornus.............................................. 3

- Ground color orange; forewings with medial small white spots................................................. 2

2. Forewings with white apical white spot............................................... S. ferruginea (New Guinea)

- Forewings without white apical white spot............................................. S. barymorpha ( Australia)

3. In male genitalia valvae with saccular processes, juxta symmetric....................... S. medogensis ( China: Xizang)

- In male genitalia valvae without saccular processes, juxta asymmetric........................................... 4

4. Uncus deeply bifid.................................................................................... 5

- Uncus slightly bifid................................................................................... 7

5. Valvae slender; width of valva shorter that its upper margin......... S. ocellata ( Bhutan, India, Myanmar, Nepal, Thailand)

- Valvae broad; width of valva longer that its upper margin...................................................... 6

6. Left process of juxta finger-shaped apically, serrate medially; forewing with small scattered black; medial patch of forewing..................................................................................... S. chalcites ( Myanmar, northeastern India, China: Hubei, Chongqing, Sichuan, Yunnan, Xizang, Thailand, northern Vietnam, Laos)

- Left process of juxta acute apically, not serrate medially (at least distinct single spur near base in some individuals); middle of costal margin area of forewing covered by dense black scales; medial patch of forewing conspicuous................................................................ S. undulophallus ( China: Xizang, northeast India, northern Myanmar)

7. Juxta with both lateral processes......................................................................... 8

- Juxta with a single left lateral process..................................................................... 9

8. Left process of juxta long; right process finger-shaped apically...................................................................................... S. brevisunca brevisunca ( China: Guangxi, Hainan, northern Thailand, Vietnam)

- Left process of juxta short; right process blunt apically, without finger-shaped apex......... S. yunnanensis ( China: Yunnan)

9. Inner process of left juxta process very long and slender, at least in 2 times longer than the outer one................................................................................................ S. anchorata (northeast India)

- Inner process of left juxta process short, no longer than the outer one........................................... 10

10. Junction between left lateral process and juxta produced into node with sawtooth serration on. outer and inner margins surface................................................ S. wungchanngamii (northeastern India, western Myanmar)

- Junction between left lateral process and juxta without serrations.......................... S. monosa ( China: Xizang)