The yellowtail moth or ashen moth (''Hylesia metabus'') is a species of moth found in northeastern South America. Contact with the

urticating hair Urticating hairs or urticating bristles are one of the primary defense mechanisms used by numerous plants, almost all New World tarantulas, and various lepidopteran caterpillars. ''Urtica'' is Latin for "nettle" (stinging nettles are in the genu ...

s of adult female moths is known to cause a cutaneous condition called the

Caripito itch Lepidopterism is an irritant contact dermatitis caused by irritating caterpillar or moth hairs coming into contact with the skin or mucosa. When referring to the cause, moth dermatitis and caterpillar dermatitis are commonly used; Caripito itch (kn ...

. The species was first described by

Pieter Cramer Pieter Cramer (21 May 1721 (baptized) – 28 September 1776) was a wealthy Netherlands, Dutch merchant in linen and Spanish wool, remembered as an entomologist. Cramer was the director of the Zealand Society, a scientific society located in Flushin ...

in 1775. These moths are mainly found along the

mangrove swamp Mangrove forests, also called mangrove swamps, mangrove thickets or mangals, are productive wetlands that occur in coastal intertidal zones. Mangrove forests grow mainly at tropical and subtropical latitudes because mangrove trees cannot withs ...

s of

Venezuela Venezuela, officially the Bolivarian Republic of Venezuela, is a country on the northern coast of South America, consisting of a continental landmass and many Federal Dependencies of Venezuela, islands and islets in the Caribbean Sea. It com ...

and

Guyana Guyana, officially the Co-operative Republic of Guyana, is a country on the northern coast of South America, part of the historic British West Indies. entry "Guyana" Georgetown, Guyana, Georgetown is the capital of Guyana and is also the co ...

. The adult moths however swarm to lights in nearby towns and the urticating hairs are released into the air leading to severe urticarial and papulovesicular dermatitis. Hairs from male moths do not cause any symptoms. These special hairs are used by the females to protect their egg masses from predators such as ants.

References

External links

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Moth information on ''Hylesia metabus''
�� Hemileucinae Moths of South America Moths described in 1775 Taxa named by Pieter Cramer {{Saturniidae-stub