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Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Cladus: Metapterygota
Infraclassis: Neoptera
Supercohort: Polyneoptera
Cohort: Dictyoptera
Ordo: Mantodea

Familia: Hymenopodidae
Subfamilia: Hymenopodinae
Genus: Helvia

Helvia is a genus of praying mantises in the family Hymenopodidae found in Southeast Asia. It is monotypic, being represented by the single species, Helvia cardinalis.[1]


Helvia cardinalis is known by various common names including yellow flower mantis and Davison's mantis. It is one of several species known as flower mantises due to their appearance and behaviour which gives them a camouflaged resemblance to flowers.
Anatomical drawing by James Wood-Mason, 1890

This slender species is mainly plain yellow or greenish.[2] The female (38 mm long) is much larger than the male, with three dark spots on the somewhat pointed wings.
See also

List of mantis genera and species
Flower mantis


"genus Helvia Stal, 1877: Mantodea Species File". Retrieved 2021-07-09.
Wood-Mason, James (1890). "On a New Genus: and Species of Mantodea". Annals and Magazine of Natural History. 5 (30): 437–439. doi:10.1080/00222939009460857.

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