Paederus obliteratus

(J.L.LeConte, 1878)

Paederus obliteratus is a rove beetle in the Staphylinidae, first described by J.L. LeConte in 1878. It is one of many Paederus known for containing , a toxic compound in their that can cause dermatitis and blistering when contacting human skin. The species occurs across eastern and southern United States. Like other members of its , it is a predatory found in various terrestrial .

Pronunciation

How to pronounce Paederus obliteratus: //ˈpiːdəɹəs ˌɒblɪˈteɪtəs//

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Distribution

Eastern and southern United States, with records from Alabama, Connecticut, Delaware, Florida, Georgia, Indiana, Kentucky, Louisiana, Massachusetts, Maryland, Maine, New Hampshire, New Jersey, New York, South Carolina, Tennessee, Texas, and Virginia.

Human Relevance

Members of the Paederus, including P. obliteratus, contain in their —a potent toxin that causes Paederus dermatitis (also known as whiplash dermatitis) when the is crushed against human skin. This irritation results from contact with pederin, not from a bite or sting. The condition typically presents as linear or whiplash-patterned with burning, blistering, and potential secondary . Proper handling requires avoiding crushing the beetle against skin.

Similar Taxa

Paederus fuscipesAnother Paederus with similar appearance and equally potent toxin; historically used in entomological warfare due to its blistering properties
Paederus sabaeusAfrican known as 'Nairobi fly' that causes identical dermatitis ; often caught as bycatch in traps in Uganda

More Details

Taxonomic note

Paederus obliteratus was described by John Lawrence LeConte in 1878, a prolific American entomologist who described thousands of .

Medical significance

While P. obliteratus itself is not commonly implicated in human medical cases, the -wide presence of means any Paederus should be treated with caution. The dermatitis is sometimes misdiagnosed as herpes zoster, chemical burn, or allergic reaction due to its linear pattern.