Results: 30

Demodex spp
Dermodex spp

Los ácaros ectoparásitos del género Demodex spp (>140 especies) pertenecen a la familia Demodicidae, superfamilia Cheyletoidea, suborden Prostigmata, orden Trombidiformes, superorden Acariformes. Fueron descritos por primera vez en 1841 por Henle y Berger. El término Demodex deriva del griego: demos ...

Lynxacarus radovskyi (Acari: Listrophoridae) in a domestic cat from Espírito Santo, Brazil

Rev. bras. ciênc. vet; 28 (2), 2021
Lynxacarus radovskyi is of uncommon occurrence and there are few reports in the state of Espírito Santo, Southeastern Brazil. The purpose of the present note is to record the occurrence of L. radovskyi in a Persian domestic cat in Vila Velha, Espírito Santo, Brazil. The animal was asymptomatic, without...

Population growth of Tetranychus urticae Koch (Acari: Tetranychidae) and predation rate of the pest mite by Neoseiulusidaeus Denmark & Muma (Acari: Phytoseiidae) in two grape cultivars

Arq. Inst. Biol; 88 (), 2021
The two-spotted spider mite, Tetranychus urticae Koch, has caused significant damage to vineyards in the valley of the São Francisco River in Brazil. Neoseiulus idaeus Denmark & Muma is one of the most abundant species of predatory mites on vines in this region. This study evaluated the population growt...

First record of Ornithonyssus bursa (Berlese, 1888) (Mesostigmata: Macronyssidae) parasitizing invasive monk parakeets in Santiago, Chile

Abstract Myiopsitta monachus is an invasive psittacine with wide distribution due to the pet trade. Its large communal nests and synanthropic nature contribute to its successful colonization of cities, from where it seems to be expanding in range and numbers. This is relevant with regard to pathogens tha...

Epidemiologia e avaliação de risco associado à presença de ácaros hematófagos em galpões de granjas avícolas de postura

Este estudo teve como objetivo caracterizar a epidemiologia da presença de ácaros hematófagos em granjas de postura no estado de Minas Gerais. Foi utilizado um banco de dados secundário, com informações de 402 galpões de 42 propriedades comerciais. As variáveis utilizadas para compor o modelo de ...

Feline demodicosis in Santa Catarina state, Brazil

Rev. bras. ciênc. vet; 27 (3), 2020
Feline demodicosis is considered a rare dermatopathy and can be caused by Demodex cati, Demodex gatoi and a third species not yet named. An adult male feline was attended with severe pruritus for 9 months and a history of treatment with cephalexin and prednisolone, with progressive worsening. On physical...

Case for diagnosis. Erythematous and pruritic papules on forearms

An. bras. dermatol; 95 (2), 2020
Abstract Gamasoidosis is a poorly known and underdiagnosed mite infestation. It is characterized by the presence of erythematous and flattened papules that are quite pruritic, and can affect any region of the body, with preference for areas of folds. This article reports a case of the disease caused by m...

Demodex folliculorum infestations in common facial dermatoses: acne vulgaris, rosacea, seborrheic dermatitis

An. bras. dermatol; 95 (2), 2020
Abstract Background: Demodex mites are found on the skin of many healthy individuals. Demodex mites in high densities are considered to play a pathogenic role. Objective: To investigate the association between Demodex infestation and the three most common facial dermatoses: acne vulgaris, rosacea and s...

New record of Cheyletiella parasitivorax (Mégnin, 1878) (Trombidiformes: Cheyletidae) from Brazil with an illustrated key to species for the genus

Abstract The cheyletid mites that parasitize mammals have been neglected for a long time in Brazil, although they can be common on pets and cause injury to their hosts. Recently, Cheyletiella parasitivorax was found parasitizing a rabbit in Brazil which represents a new host and distribution record for t...