Chiggers of the genus Parasecia Loomis parasitize birds, mammals, and reptiles in the Nearctic and Neotropical regions. In the present review, we examined 18 species previously included in the genus, 15 of them being retained in the genus Parasecia, one genus is created, Nahuacarus bulbocalcarn. gen. (Trombidiformes: Trombiculidae), and new combinations are proposed for two species: Lorillatum lasiurusn. comb. and Lorillatum orphanan. comb. (Trombidiformes: Trombiculidae). In addition, Parasecia kansasensis (Loomis) (Trombidiformes: Trombiculidae) is synonymized with Parasecia gurneyi (Ewing) (Trombidiformes: Trombiculidae), Parasecia gilbetoin. sp. (Trombidiformes: Trombiculidae) is described and new locality and host records are added for Parasecia chara (Wharton), Parasecia longicalcar (Brennan and Jones), Parasecia manueli (Brennan and Jones), and Parasecia thalurania (Brennan) (Trombidiformes: Trombiculidae).
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Vet Parasitol Reg Stud Reports
January 2025
Departamento de Biologia Animal, Instituto de Biologia, Universidade Estadual de Campinas (UNICAMP), Campinas, SP, Brazil. Electronic address:
The larval chigger mite Apolonia tigipioensis Torres and Braga is an obligatory hypodermic parasite found in South America. Its parasitism can significantly affect the host's health, leading to nodular lesions that consequently result in the host's death. This species has been identified in Venezuela and northeastern Brazil (Pernambuco State), primarily infesting birds, but it can affect mammals, including humans.
View Article and Find Full Text PDFVet Parasitol Reg Stud Reports
January 2025
Graduate Program in Parasitological Biology, Universidade Federal de Sergipe, São Cristóvão, SE, Brazil; Laboratory of Entomology and Tropical Parasitology, Department of Morphology, Universidade Federal de Sergipe, São Cristóvão, SE, Brazil.
The present study reports the occurrence of Eutrombicula goeldii (Oudemans) (Trombidiformes: Trombiculidade) on free-living common marmosets, Callithrix jacchus, in Sergipe state, northeastern Brazil. Fifty-two marmosets were captured from 12 family groups, and during the examination of some individuals, orange mites were detected in the peripheral region of the ear and eyelids. The mites were collected via skin scrapings and transparent adhesive tape and observed under a microscope.
View Article and Find Full Text PDFJ Med Entomol
July 2024
Department of Medical Microbiology, Parasitology and Immunology, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran.
Demodex folliculorum (Simon, 1842) has been associated with various dermatological conditions. This study aimed to assess the prevalence of Demodex infestation in medical students with facial dermatoses compared with healthy medical students serving as controls. A total of 250 participants were enrolled, including 150 individuals with facial dermatoses and 100 healthy controls.
View Article and Find Full Text PDFVet Parasitol Reg Stud Reports
April 2024
Vector-Borne Bioagents Laboratory (VBBL), Departamento de Patologia, Reprodução e Saúde Única, Faculdade de Ciências Agrárias e Veterinárias-UNESP, Jaboticabal, SP, Brazil. Electronic address:
The genus Perissopalla Brennan and White (Trombidiformes: Trombiculidae) is currently represented by ten species with three from Brazil: Perissopalla barticonycteris Brennan, Perissopalla ipeani Brennan, and Perissopalla tanycera Brennan. In the present study, these three species are redescribed and illustrated based on the types and additional non-type specimens. New host and locality records for P.
View Article and Find Full Text PDFThis paper presents an annotated checklist of 77 species of ectoparasitic mites, ticks (Acari: Trombidiformes, Mesostigmata, Ixodida) and insects (Insecta: Psocodea, Siphonaptera) found on ground-dwelling small mammals in the Baltic States (Estonia, Latvia, Lithuania). Eight species of five genera of chigger mites (Trombidiformes: Trombiculidae), 26 species of eight genera of laelapid mites (Mesostigmata: Laelapidae), six species of two genera of ixodid ticks (Ixodida: Ixodidae), 11 species of three genera of blood-sucking lice (Psocodea: Hoplopleuridae, Pediculidae, Polyplacidae) and 26 species of 15 genera of fleas (Siphonaptera: Ceratophyllidae, Ctenophthalmidae, Hystrichopsyllidae, Pulicidae) were recorded on ground-dwelling small mammals in the Baltic States. Neotrombicula japonica (Tanaka, Kaiwa, Teramura & Kagaya), Neotrombicula vulgaris (Schluger), Miyatrombicula muris (Oudemans), Hoplopleura edentula Fahrenholz and Polyplax hannswrangeli Eichler are recorded for the first time in the Baltic States.
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