Paederus beetles are beneficial to agriculture because they eat crop pests. Meloidae, staphylinidae, paederus, beetle, dermatitis, pederin, cantharidin, iran. This dermatitis occurs when beetles of the genus paederus rove beetles are crushed on the skin, releasing pederin. Pdf background about 50000 staphylinid species are distributed worldwide, with at least 650 species of the genus paederus. Rove beetles of the genus paederus cause dermatitis when they come in contact with human skin. In julyaugust during the rainy season, this skin irritation was most prevalent and the population of these beetles peaked 36. Healing time was shorter in group b patients in comparison with those in group a. This is a specific form of irritant dermatitis often characterized by linear lesions on the exposed areas of the body, mainly on the neck and face, generally appearing during the. Paederus dermatitis karthikeyan k, kumar a indian j.
Paederus dermatitis in sierra leone is a relatively severe form of this dermatitis. Pdf treatment of paederus dermatitis with sambucus. There are no, to our knowledge, reports of similar cases in malaysia. The toxic effects of paederus were unknown to western medicine until this century, but they were known to chinese medicine 1,200 years earlier. The disease is provoked by vesicating toxins found in the endolymph of paederus beetles belonging to the class insecta, order coleoptera beetles, family staphylinidae rove beetles, subfamily paederinae, tribe paederini, subtribe paederina. Dermatitis linearis, irritation, lesions, paederus, rove beetle, skin. It is clinically characterised by acute onset of linear. Dermatitis contact with the beetle, crushing it on the body or smearing with soiled fingers while sleeping causes dermatitis. Paederus dermatitis pd is a blistering inflammation caused when the paederus beetles are accidentally crushed on the human skin 37. Human dermatosis caused by vesicating beetle products. Beetles, contact dermatitis, irritant dermatitis, paederus dermatitis. Learning to recognize paederus beetles and avoiding from crushing them may help to prevent the disease. Known as dermatitis linearis, blister beetle dermatitis, paederus rove beetle staphylinidae dermatitis, whiplash dermatitis etc.
Blister beetle dermatitis an irritant vesiculobullous disorder caused by rove beetles when it comes in contact with or is crushed on. The dermatitis can be severe, painful, and unsightly, with erythema persisting for months. Other local names given to paederus dermatitis include spiderlick, whiplash dermatitis, and nairobi fly dermatitis. Paederus dermatitis is a peculiar, irritant contact dermatitis characterized by a. Scitech blistering beetle dermatitis caused by paedereus.
Blister beetle dermatitis is an irritant dermatitis caused mainly by beetles of the genus paederus. Acute dermatitis, inflammation and a reddish rash appears 1236 hours after exposure. The same dermatitis ensues with australian paederus species. Serial clinical photographs are presented which will aid. Paederus dermatitis should be managed as an irritant contact dermatitis. Rove beetles of the genus paederus cause dermatitis when they.
Paederus dermatitis amongst medical students in usm, kelantan. A study of epidemiology and clinicopathological profile of. Irritant bullous contact dermatitis caused by a rove beetle. Pdf clinical presentation of rove beetle dermatitis. This is a specific form of irritant dermatitis often characterized by linear lesions on the exposed areas of the body, mainly on the. The aetiological agent in the cases described was found to be paederus fuscipes. Jul 30, 2003 background paederus dermatitis develops when beetles of the genus paederus often called rove beetles are crushed on the skin, releasing the vesicant pederin. The epidemics can be mitigated by simple precautions. This condition is prevalent in some tropical and subtropical regions, such as in northern pakistan. Washing with soap and water, application of cold wet compresses may also be helpful.
This dermatitis mimics other infectious skin disorders, often resulting in diagnostic dilemmas, so it is necessary to increase awareness about this condition. With 622 valid species assigned by 1987 to the subtribe paederina paederus and its close allies, and with all but 148 within paederus itself, the genus is large. Introduction paederus dermatitis is a erythematovesicular dermatitis that appears mostly on the exposed areas of the body. Paederus is a genus of small beetles of the family staphylinidae rove beetles. This condition is prevalent in some tropical and subtropical regions, such as in northern pakistan, where it was recorded for the first time by us troops. The clinical characteristics of the condition are those described in connection with the vesicant properties of coleoptera of the genus paederus. There may be little to no effects when initially exposed to pederin. Historically, extracts of paederus beetles have been used by the chinese since at least the year 739 in the medicinal treatment of boils, nasal polyps, and ringworm. Paederus dermatitis singh g, yousuf ali s indian j dermatol. Paederus dermatitis is a peculiar, irritant contact dermatitis caused by a beetle belonging to the genus paederus. It occurs when beetles of the genus paederus are crushed on the skin, releasing the hemolymph pederin 10.
An outbreak of paederus dermatitis in a suburban hospital in south. This insect does not bite or sting, but releases a fluid containing paederin, a potent vesicant agent. A 25 year old woman woke with erythema, oedema, and painless, nonpruritic pustules around her right eye fig 1, accompanied by tingling, conjunctival hyperaemia, and lesions on her neck and right auricle. Healing time ranged from 14 to 28 days and lesions in all the patients healed with residual dyschromia. Paederus dermatitis, also known as dermatitis linearis. If not immediately washed off, the chemical leads to a linear dermatitis composed of erythematobullous lesions. The disease occurs worldwide, but it is often not recognized as a history of contact with the insect is frequently absent. Paederus dermatitis amongst medical students in usm, kelantan table 1 summary of reported patients with paederus dermatitis patient age sex site duration symptoms therapy outcome in days 25 m face burning 3% hydro subsided cortisone cream 2 23 f face 2 asymptomatic 3% hydro subsided cortisone cream. Paederus dermatitis karthikeyan k, kumar a indian j dermatol. Paederus dermatitis is a skin irritation resulting from contact with the hemolymph of certain rove beetles, a group that belongs to the insect order coleoptera and the genus paederus. When paederus beetles are crushed against the skin, they release a toxin called pederin. The affected area resolved in 6 weeks and hyperpigmention persisted for months until complete resolution. Paederus beetles 180710110 aphc united states army.
Jan, 2020 blister beetle dermatitis bbd is a seasonal irritant contact dermatitis caused mainly by beetles of the genus. Although a known phenomenon, there are no literature reports of paederus dermatitis within africom. If not immediately washed off, the chemical leads to a linear dermatitis composed of red irritated skin and blisters. Outbreaks of paederus dermatitis have occurred in africa, asia, and south america. Dermatitis linearis, irritation, lesions, paederus, rove beetle, skin dermatitis background paederus dermatitis also known as spider lick, night burn and dermatitis linearis is a cutaneous condition that occurs due to physical contact with rove beetles belonging to the genus paederus 1. The characteristic linear lesions are most commonly caused by the victim inadvertently crushing the beetle and reflexively brushing away the insect. A peculiar erythematovesicular dermatitis, that appears mostly in the uncovered areas of the body, has been observed in caracas, venezuela. Blister beetle dermatitis is a cutaneous condition that occurs after contact with any of several types of beetles, including those from the meloidae and oedemeridae families 449 blister beetles secrete an irritant called cantharidin, a vesicant that can get onto humans if they touch the beetles. The etiological insect of paederus dermatitis belongs to the family staphylinidae and the genus paederus. Peaderus dermatitis dermatitis linearis is a type of irritant contact dermatitis resulting from cutaneous contact with the hemolymph of members of the genus paederus family staphylinidae containing paederin.
Aug 08, 2010 the affected area becomes red, swollen, and itchy, causing the skin to peel when scratched. We describe a clinical case report that came to our observation. Paederus dermatitis is an acute irritant dermatitis resulting from a contact with the hemolymph of paederus beetles. Paederus dermatitis also known as spider lick, night burn and dermatitis linearis is a cutaneous condition that occurs due to physical contact with rove beetles belonging to the genus paederus 1. These beetles are found in many tropical and subtropical habitats. Paederus often called rove beetles are crushed on the skin, releasing the vesicant pederin. Dermatitis linearis, also known as paederus dermatitis, is a contact dermatitis characterized by erythematous and vesicular lesions of sudden onset on exposed areas of the body.
Due to toxins in the hemolymph of some species within this genus, it has given its name to paederus dermatitis, a characteristic skin irritation that. Paederus dermatitis is an irritant dermatitis caused by pederin, a toxin produced by the rove beetle paederus. Pdf paederus dermatitis as an extensively neglected and. Outbreaks of paederus dermatitis pd have been reported in kafr elsheikh governorate when rove beetles genus paederus are accidentally brushed or crushed on. This insect does not bite or sting, but releases a fluid containing paederin, a potent blistering agent. Allergic contact dermatitis was unlikely because the rash was. Carpet beetle dermatitis beginning in 1948 groups of dermatologists reported on case histories involving dermatitis caused by contact with carpet beetles coleoptera. Lesions were most commonly found on the neck followed by the face.
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