Helminths of Urban Gray Squirrels in Florida

Conti, Joseph; Forrester, Donald J.; Frohlich, R. Kipp; Hoff, Gerald L.; Bigler, William J.

doi:10.2307/3281938

Cited by 14 publications

(12 citation statements)

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“…Our results on the parasite community show that the diversity of parasites of the gray fox in the PANEC comprises primarily generalist species, of which, most of them have a direct life cycle not requiring intermediate hosts, with life cycles with several transmission strategies as paratenic hosts, autoinfection or transplacental transmission such as in U. stenocephala or Strongyloides s tercoralis life cycles ( Anderson, 2000 ). Our data differs from those in studies conducted in the United States regarding the parasite community of Urocyon cinereoargenteus , where many of the parasite species have complex life cycles, requiring at least two species of intermediate hosts ( Conti, 1984 , Dyer, 1984 , Anderson, 2000 , Ubelaker et al., 2015 ).…”

Section: Discussioncontrasting

confidence: 99%

Gray fox ( Urocyon cinereoargenteus ) parasite diversity in central Mexico

Hernández‐Camacho

Pineda-López

Guerrero-Carrillo

et al. 2016

International Journal for Parasitology: Parasites and Wildlife

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Mexico has a long history of parasitological studies in communities of vertebrates. However, the mega diversity of the country makes fauna inventories an ongoing priority. Presently, there is little published on the parasite fauna of gray foxes (Urocyon cinereoargenteus Schereber, 1775) and this study provides new records of parasites for gray foxes in central Mexico. It is a continuation of a series of previous parasitological studies conducted with this carnivore in Mexico from 2003 to the present. A total of 24 foxes in the Parque Nacional El Cimatario (PANEC) were trapped, anaesthetized, and parasites recovered. The species found were Dirofilaria immitis, Ctenocephalides canis, C. felis, Euhoplopsillus glacialis affinis (first report for gray foxes in Mexico) Pulex simulants, and Ixodes sp. Three additional gray fox carcasses were necropsied and the parasites collected were adult nematodes Physaloptera praeputialis and Toxocara canis. The intensive study of the gray fox population selected for the 2013–2015 recent period allowed for a two-fold increase in the number of parasite species recorded for this carnivore since 2003 (nine to 18 parasite species), mainly recording parasitic arthropods, Dirofilaria immitis filariae and adult nematodes. The parasite species recorded are generalists that can survive in anthropic environments; which is characteristic of the present ecological scenario in central Mexico. The close proximity of the PANEC to the city of Santiago de Queretaro suggests possible parasite transmission between the foxes and domestic and feral dogs. Furthermore, packs of feral dogs in the PANEC might have altered habitat use by foxes, with possible impacts on transmission.

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Section: Discussioncontrasting

confidence: 99%

Gray fox ( Urocyon cinereoargenteus ) parasite diversity in central Mexico

Hernández‐Camacho

Pineda-López

Guerrero-Carrillo

et al. 2016

International Journal for Parasitology: Parasites and Wildlife

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“…It is possible that a direct survey method, including an analysis of internal organs would have produced a more complete array of parasites but was beyond the objective of this study. All species identified in the present study have been previously recorded for gray foxes in North America (Buechner 1944;Simmons et al 1980;King and Bohning 1984;Dyer 1984;Conti 1984;Rogers 1984;Measures and Anderson 1985;Anderson 1992;Davidson et al 1992;Marquardt et al 2000;Bush et al 2001) andMexico (Pineda-López 1984;Lamothe et al 1997) and three of them (A. caninum, T. canis, and T. leonina) were previously registered in sacrificed stray dogs in Queretaro city (Fernández and Cantó 2002).…”

Section: Discussionmentioning

confidence: 95%

“…The variation of intestinal parasite fauna is probably related to the seasonal and geographic variability of certain foods, in some cases, of the paratenic hosts (Conti 1984;Pence et al 1988). These hosts include rodents (Peromyscus spp.)…”

Section: Discussionmentioning

confidence: 99%

Nematodes parasites of the gray fox (Urocyon cinereoargenteus Schreber, 1775) in the seasonally dry tropical highlands of central Mexico

et al. 2010

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The gray fox (Urocyon cinereoargenteus Schreber, 1775) is the most abundant and opportunistic wild canid in Mexico. However, the parasites of this canid in Mexico are poorly known, and an intensive parasite survey is lacking. A survey of gray fox parasitological feces was conducted in El Cimatario National Park, a protected area representative of the seasonally dry, tropical highlands of Mexico. Feces were collected in six 1-km-length transects during the summer of 2003 and spring of 2004. The coproparasitoscopical survey registered nine species of nematodes, typical of wild and domestic canids such as Strongyloides stercoralis, Uncinaria stenocephala, Toxocara canis, Toxascaris leonina, Dioctophyme renale, Trichuris vulpis, Trichuris sp., and Capillaria sp. Ecological factors such as temperature and humidity appear to play a more important role in the establishment of these species of parasites in this protected area than the presence of domestic dogs.

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“…This was the first patient to acquire infection by M. moniliformis in this country (14). It is known from published reports and field records that this worm occurs in Florida (3,12). Rats are the usual definitive hosts of M. moniliformis, and cockroaches serve as intermediate hosts.…”

Section: Discussionmentioning

confidence: 99%

Unusual infections in humans

Neafie

Marty

1993

Clin Microbiol Rev

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Nine cases of unusual infections in humans are presented. In each case, we present the clinical history, histopathologic changes (if indicated), morphologic features of the causative organism, diagnosis, discussion, differential diagnosis, therapy, and current literature. All of the cases are illustrated with pertinent photographs. The nine cases are as follows: (i) acanthocephaliasis, the first acquired human infection by Moniliformis moniliformis in the United States; (ii) dipylidiasis, an uncommon infection caused by the dog tapeworm, Dipylidium caninum; (iii) granulomatous amebic encephalitis, caused by the recently identified leptomyxid group of amebae; (iv) schistosomiasis, a dual infection of the urinary bladder with the rare presentation of both adult worms and eggs of Schistosoma haematobium and Schistosoma mansoni in tissue sections; (v) syphilitic gastritis, an uncommon presentation of Treponema pallidum infection, in a patient with an additional incidental infection by Helicobacter pylori; (vi) microsporidiosis, the only infection caused by a Pleistophora sp. in humans; (vii) sporotrichosis, a rare disseminated infection caused by Sporothrix schenckii with numerous yeast cells in the scrotum; (viii) angiostrongyliasis, the first and only infection caused by Angiostrongylus costaricensis acquired in either Puerto Rico or the United States; and (ix) botryomycosis of the skin and subcutaneous tissue, caused by gram-positive cocci with an unusually large number of granules.

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Helminths of Urban Gray Squirrels in Florida

Cited by 14 publications

References 0 publications

Gray fox ( Urocyon cinereoargenteus ) parasite diversity in central Mexico

Gray fox ( Urocyon cinereoargenteus ) parasite diversity in central Mexico

Nematodes parasites of the gray fox (Urocyon cinereoargenteus Schreber, 1775) in the seasonally dry tropical highlands of central Mexico

Unusual infections in humans

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