A unilateral ophthalmomyiasis posterior in a 5-year-old female spayed Domestic Long-haired cat of a third or fourth stage instar Cuterebra spp. larvae is reported. The cat was presented for depression and anorexia. The organism was found on physical examination at presentation. The cat was euthanized because of the worsening systemic condition. The larva was demonstrated by histopathology with coagulation necrosis and hemorrhage of the optic nerve, retina and choroid, and anterior uveitis. No significant cerebrum and anterior brain stem lesions were found.
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http://dx.doi.org/10.1111/j.1463-5224.2005.00343.x | DOI Listing |
J Med Entomol
December 2024
College of Veterinary Medicine, Mississippi State University, Mississippi State, MS, USA.
An aberrant bot fly specimen was removed from the scalp of a patient 3 wk after returning from Belize. The specimen showed little resemblance to the typical human bot fly larva, Dermatobia hominis, prompting a molecular identification using cytochrome oxidase I and II (COI and COII, respectively) mitochondrial DNA sequence regions. A BLAST search was subsequently performed, and both our COI and COII amplicon sequences showed 99-100% match with Dermatobia hominis, despite the specimen's clearly aberrant morphology.
View Article and Find Full Text PDFInt J Dermatol
January 2025
Endeavor Health, Lake Bluff, IL, USA.
Parasitol Res
December 2023
Qinghai Academy of Animal Sciences and Veterinary Medicine, Qinghai University, Xining, People's Republic of China.
J Parasitol
October 2023
Department of Fish, Wildlife and Conservation Ecology, New Mexico State University, 2980 South Espina Street, Las Cruces, New Mexico 88003.
Bot flies (Oestridae: Cuterebrinae) are obligate mammalian parasites that complete the larval stage of their life cycle under the skin of their host. Most detailed studies of bot fly larval disease ecology have been conducted in temperate deciduous zone rodent systems. To understand the relative importance of seasonal and spatial factors, as well as factors intrinsic to the host, in underpinning the likelihood and extent of parasitism by bot flies in non-rodent hosts as well as in arid-land ecosystems, we examined the dynamic for black-tailed jackrabbit (Lepus californicus) and desert cottontail (Sylvilagus audubonii) parasitism by bot fly larvae (Cuterebra spp.
View Article and Find Full Text PDFInt J Dermatol
October 2016
Departamento de Ecologia de Agentes Patogenos, Hospital General Dr. Manuel Gea Gonzalez, Mexico.
Here, we review the human botfly (Dermatobia hominis), which belongs to a group of Diptera generically known as "myiasis-causing flies," characterized by the ability of their larvae to develop in animal flesh. In addition to its medical and economic importance, there is an academic interest in this botfly because of its peculiar biology, particularly because a phoretic diptera is needed to complete the life cycle. The larvae penetrate the host's skin, causing furuncle-like lesions that are pruritic, painful, and resemble subcutaneous nodules, producing irreversible perforations in the skin.
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