Giant leopard moth
|Giant leopard moth|
The giant leopard moth or eyed tiger moth (Hypercompe scribonia) is a moth of the family Erebidae. It is distributed through North America from southern Ontario, and southern and eastern United States through New England, Mexico and down to Panama. 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. Its legs have black and white bands. Adult moths are strictly nocturnal and do not generally fly before nightfall.
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). During mating sessions, the wings of the male cover most of the female's abdomen, and this can sometimes lead up to loss of wing scales in the female, which can have negative effects on its flight efficiency. 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's too hot or into sunlight if it's too cold. The male is the one that effectuates the locomotion, while the female folds its legs to be 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 wooly bear, its hairs are not urticant and do not typically cause irritation.
Recorded food plants
- Poole, Robert W.; Patricia Gentili (1996). "Hypercompe scribonia". NatureServe. Retrieved 18 July 2013.
-  Distribution map at DiscoverLife
- 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.
- , Scoble, M.J. (2005). The Lepidoptera: Form, Function, and Diversity. Page 63. Accessed through Google books on 21 Aug 2009
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