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Life sciences · Review
Advances in Human Biology · October 9, 2026
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Abstract Paederus dermatitis is an irritant contact dermatitis that follows accidental crushing of Paederus rove beetles on the skin, releasing the vesicant toxin pederin. In Malaysia, reported outbreaks and case clusters have mainly involved students, hostel residents and communities living near paddy fields, oil palm plantations and other vegetation-rich settings where beetle dispersal into lighted buildings is common. This narrative review summarises Malaysian evidence on the epidemiology, clinical features, diagnosis, management and prevention of Paederus dermatitis. PubMed, Scopus and Web of Science were searched for publications from 1 January 2000 to 31 May 2026, using the terms related to Paederus dermatitis, rove beetle dermatitis, dermatitis linearis, Paederus fuscipes, pederin and Malaysia. Retrieved records were screened for Malaysian primary reports and substantive clinical, epidemiological, entomological, molecular or public health evidence. From 473 records, 13 Malaysian publications met the review criteria, comprising clinical outbreak or case reports, entomological field and laboratory studies, molecular studies and a knowledge-attitude-practice survey. The evidence shows a recurrent pattern of linear or vesiculobullous lesions on exposed skin, frequent periorbital and upper-limb involvement and a generally favourable response to early washing, topical corticosteroids, symptomatic care and treatment of secondary infection when present. Entomological studies identify P. fuscipes behavior, nocturnal light attraction, seasonal agricultural activity, building design and nearby breeding habitats as important exposure drivers. However, Malaysian clinical epidemiological data remain limited and outdated compared with entomological work. Prospective surveillance, standardised clinical reporting and evaluated prevention strategies are needed for schools, hostels and residential areas near agricultural habitats.