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Rove beetles, genus Paederus have a vesicant toxin amid, in their hemolymph, named pederin, and caused lesions on human skin. It was first described by a procedure on 25 million Paederus fuscipes collected from the field. A few studies were conducted about pederin content of each beetle. It is very ...

The poultry red mite, Dermanyssus gallinae is not well known in occupational health circles, yet it is well documented in poultry farming communities and pigeon racing households. The blood feeding mite is difficult to locate and eradicate due to its nocturnal behaviour and its ability to leave the ...

In Brazil there are three types of spiders of medical importance, Phoneutria sp. (Araneae: Ctenidae), Loxosceles sp. (Araneae: Sicariidae) and Latrodectus sp. (Araneae: Theridiidae). The accidents are characterized as follows: accidents by Phoneutria sp. - represent a form of araneism most commonly ...

Outbreaks of mysterious skin lesions on multiple personnel at five military installations were initially blamed on spiders. Requests were made for pest inspection and control to remedy the situation. Pesticides were applied at four of the installations even though no medically important arthropods w...

Skin lesions resulting from arthropod exposure may arise via various pathologic pathways. There may be direct damage to human skin from mouthparts, fangs, stingers, etc., or indirect damage such as immune reactions to arthropod saliva or venom injected upon biting. Hypersensitivity may develop again...

Atopic allergies, such as asthma, eczema and perennial rhinitis, have dramatically increased in industrialised countries. Most sufferers are sensitised to house dust mite allergens that have also risen in homes. House dust mites (HDM) possess enzymes, such as proteinases, to digest their exclusive d...