Giant leopard moth

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Giant leopard moth
Giant leopard moth hypercompe scribonia 3.jpg

Secure (NatureServe)[1]
Scientific classification edit
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Superfamily: Noctuoidea
Family: Erebidae
Subfamily: Arctiinae
Genus: Hypercompe
Species:
H. scribonia
Binomial name
Hypercompe scribonia
(Stoll, 1790)
Subspecies
  • H. s. scribonia (Stoll, 1790)
  • H. s. denudata (Slosson, 1888)
Synonyms
  • Bombyx chryseis
    Olivier, 1790
  • Phalaena scribonia
    Stoll, 1790
  • Phalaena oculatissima
    J.E. Smith, 1797 (unjustified emendation)
  • Bombyx cunegunda
    Palisot de Beauvois, 1824
  • Ecpantheria confluens
    Oberthür, 1881
  • Ecpantheria denudata
    Slosson, 1888
  • Ecpantheria scribonia

The giant leopard moth (Hypercompe scribonia) is a moth of the family Erebidae. They are distributed through North America from southern Ontario, and southern and eastern United States through New England, Mexico and south to Colombia.[2][3] The obsolete name, Ecpantheria scribonia, is still occasionally encountered.

This species has a wingspan of 76 mm (3 in). The wings of this moth are bright white with a pattern of neat black blotches, some solid and some hollow. The overside of the abdomen is dark blue with orange markings, while the underside is white with solid black spots, and males have a narrow yellow line on the sides. Their legs have black and white bands. Adult moths are strictly nocturnal and do not generally fly before nightfall.[4]

This species has a notable sexual dimorphism in size, the adult male reaching about 51 mm (2 in) in length, while the adult female grows up to 30 mm (1.2 in). In Missouri, adults are on the wing from May to September and are multivoltine.[5] During mating sessions, the wings of the male cover most of the female's abdomen, and this can sometimes lead to the loss of wing scales in the female, which can have negative effects on its flight efficiency.[6] Their mating sessions are notably long-lasting, taking more than 24 hours. They stay mostly immobile during the whole process but will move from spot to spot to thermoregulate, walking into shadowy areas if it is too hot or into sunlight if it is too cold. The male is the one that effectuates the locomotion, while the female folds her legs to make it easier to carry.

The caterpillar is of the "woolly bear" kind, with a thick coat of black bristles (setae) and red or orange bands between its segments, which become conspicuous when the caterpillar rolls into a ball for defense. Like the banded woolly bear, its hairs are not urticant nor venomous and do not typically cause irritation. The moth overwinters as a caterpillar,[3]often under the bark of decaying wood.[5] The caterpillar grows to be 3 inches (7.6 cm) long.[5]

Recorded food plants

The caterpillar eats a variety of broadleaf plants such as broadleaf plantains, dandelions and violets:

Gallery

  • Larval stage

    Larval stage

  • Caterpillar in typical defensive ball

    Caterpillar in typical defensive ball

  • Caterpillar with typical red stripes

    Caterpillar with typical red stripes

  • head of a caterpillar

    head of a caterpillar

  • Closeup of head and thorax

    Closeup of head and thorax

  • Closeup showing iridescent blue spots

    Closeup showing iridescent blue spots

  • Closeup of newly eclosed moth

    Closeup of newly eclosed moth

  • Showing the old skin, empty pupal shell, and adult moth

    Showing the old skin, empty pupal shell, and adult moth

  • Last image at night before it flew off once wings dried

    Last image at night before it flew off once wings dried

  • Wings spread, displaying abdomen colors

    Wings spread, displaying abdomen colors

  • Close-up while wings upswept

    Close-up while wings upswept

  • The moment before take-off

    The moment before take-off

  • A female giant leopard moth after mating

    A female giant leopard moth after mating

  • A female taking off

    A female taking off

References

  1. ^ Poole, Robert W.; Patricia Gentili (1996). "Hypercompe scribonia". NatureServe. Archived from the original on 10 December 2019. Retrieved 18 July 2013.
  2. ^ [1] Distribution map at DiscoverLife
  3. ^ a b c d e Fearnley, Kirstin (29 July 2016). "Weird & Wonderful Creatures: Giant Leopard Moth". Science NetLinks. American Association for the Advancement of Science. Retrieved 5 September 2022.
  4. ^ Fullard, James H. & Napoleone, Nadia (2001). Diel flight periodicity and the evolution of auditory defences in the Macrolepidoptera. Animal Behaviour 62(2): 349–368. doi:10.1006/anbe.2001.1753 PDF fulltext Archived 15 June 2007 at the Wayback Machine
  5. ^ a b c d e f g h i j k "Field Guide: Giant Leopard Moth". Missouri Department of Conservation. Retrieved 5 September 2022.
  6. ^ Scoble, M.J. (1995). The Lepidoptera: Form, Function and Diversity. Natural History Museum publications. Natural History Museum. p. 63. ISBN 978-0-19-854952-9.

External links

Wikimedia Commons has media related to Giant leopard moth.
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