Ratarda excellens

Ratarda excellens is a moth in the family Cossidae. It is found in Taiwan.[1]

Ratarda excellens
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Cossidae
Genus:
Ratarda
Species:
R. excellens
Binomial name
Ratarda excellens
(Strand, 1917)
Synonyms
  • Shisa excellens Strand, 1917
  • Arbela formosana Matsumura, 1921
  • Ratarda formosana
  • Ratarda tertia Strand, 1917
  • Ratarda tertia ab. monstrosa Strand, 1917

The length of the forewings is about 16 mm for males and 22 mm for females. The ground colour of the forewings of the males is brown, slightly tinged with a golden lustre. The costal and dorsal areas are pale. There are irregular pale brown patches edged with dark brown, forming several smooth lines. The hindwings are uniform dark brown. There is strong sexual dimorphism.[2] Females have blackish brown forewings, slightly tinged with a bluish lustre and with irregular black patches forming several lines.[3]

References
  1. Beccaloni, G.; Scoble, M.; Kitching, I.; Simonsen, T.; Robinson, G.; Pitkin, B.; Hine, A.; Lyal, C., eds. (2003). "Ratarda formosana". The Global Lepidoptera Names Index. Natural History Museum.
  2. mothtaiwan.blogspot
  3. The Systematic Position of Shisa excellens (Lepidoptera, Ratardidae)


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