Myiasis gastrointestinal humana por Eristalis tenax

Kun, Marcelo; Kreiter, Ana; Semenas, Liliana

doi:10.1590/s0034-89101998000400009

Cited by 15 publications

(10 citation statements)

References 3 publications

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“…12 E. tenax is another species that can produce pseudomyiasis, and even though only one larva was found, human cases have been reported in the Andean Patagonian region. 4 Although investigations have indicated the importance of helminth egg distribution by flies, 5 this role has not been corroborated either in composting plants or in sewage plants. 3 Likewise, birds and other insects feed on Diptera adults and larvae; hence, they also constitute potential vectors for various diseases.…”

Section: Discussionmentioning

confidence: 99%

Diptera of sanitary importance associated with composting of biosolids in Argentina

2003

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ObjectiveOdorous compounds produced at the biosolids composting plant in Bariloche (NW Patagonia) attract a variety of insects, mainly belonging to the order Diptera. In order to characterize these flies, collected specimens were taxonomically identified, their community characteristics were described and their sanitary and synanthropic importance and autochthonous or introduced character were determined. Methods Sampling was performed from October 1999 until March 2000. Adults were collected using an entomological net, and larvae and puparia were obtained from the composting material and incubated to obtain adults. Richness, abundance and sex ratio were calculated. Results A total of 9 taxa of Diptera were identified: Sarconesia chlorogaster, Phaenicia sericata, Calliphora vicina, Cochliomya macellaria, Ophyra sp, Muscina stabulans, Musca domestica, Sarcophaga sp and Fannia sp. Specimens of Anthomyiidae, Acaliptratae and one larva of Eristalis tenax were also found. Ophyra sp. was the most abundant taxa. All the captured Diptera belonged to introduced taxa. Most of them are considered to be eusynanthropic and/or hemisynanthropic and have sanitary importance as they may cause myiasis and pseudomyiasis. The high number of females registered and the finding of immature stages indicated that flies can develop their complete life cycle on biosolid composting windrows. ConclusionsThe characterization of flies obtained in this study may be useful for defining locations of urban or semi-urban composting facilities. It also highlights the importance of sanitary precautions at such plants. Resumen Objetivo Los compuestos odoríferos producidos en la Planta de Compostaje de Biosólidos de Bariloche (NO Patagonia) atraen diferentes insectos, principalmente moscas (Orden Diptera). Con el objeto de caracterizarlas, se colectaron especímenes que fueron identificados taxonómicamente. Se describieron sus características comunitarias y se determinó su importancia sanitaria y su carácter autóctono o introducido.7 2 3 7 2 3 7 2 3 7 2 3 7 2 3 Rev Saúde Pública 2003

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Section: Discussionmentioning

confidence: 99%

Diptera of sanitary importance associated with composting of biosolids in Argentina

2003

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“…Poor socioeconomic status and poor hygiene are risk factors. The water supply is a possible contamination source (191). The female flies may oviposit the eggs around the mouth of comatose and psychiatric patients, and any patient who sleeps or keeps the mouth open is also prone to gastrointestinal infestation.…”

Section: Francesconi and Lupimentioning

confidence: 99%

Myiasis

2012

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SUMMARY Myiasis is defined as the infestation of live vertebrates (humans and/or animals) with dipterous larvae. In mammals (including humans), dipterous larvae can feed on the host's living or dead tissue, liquid body substance, or ingested food and cause a broad range of infestations depending on the body location and the relationship of the larvae with the host. In this review, we deeply discuss myiasis as a worldwide infestation with different agents and with its broad scenario of clinical manifestations as well as diagnosis techniques and treatment.

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“…Garcia-Zapata et al, 2005;Mumcuoglu et al, 2005). It has been suggested that humans usually acquire gastrointestinal myiasis by ingesting E. tenax eggs or early-stage maggots in contaminated food or water (Kun et al, 1998;Aguilera et al, 1999;Whish-Wilson, 2000). Additionally, contamination may occur as the larvae enter the urinary tract (Korzets et al, 1993;Mumcuoglu et al, 2005).…”

Section: Introductionmentioning

confidence: 99%

Temporal patterns of genetic and phenotypic variation in the epidemiologically important drone fly, Eristalis tenax

Francuski

Matić

Ludoški

et al. 2011

Medical and Veterinary Entomology

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Eristalis tenax L. (Diptera: Syrphidae) is commonly known as the drone fly (adult) or rat-tailed maggot (immature). Both adults and immature stages are identified as potential mechanical vectors of mycobacterial pathogens, and early-stage maggots cause accidental myiasis. We compared four samples from Mount Fruška Gora, Serbia, with the aim of obtaining insights into the temporal variations and sexual dimorphism in the species. This integrative approach was based on allozyme loci, morphometric wing parameters (shape and size) and abdominal colour patterns. Consistent sexual dimorphism was observed, indicating that male specimens had lighter abdomens and smaller and narrower wings than females. The distribution of genetic diversity at polymorphic loci indicated genetic divergence among collection dates. Landmark-based geometric morphometrics revealed, contrary to the lack of divergence in wing size, significant wing shape variation throughout the year. In addition, temporal changes in the frequencies of the abdominal patterns observed are likely to relate to the biology of the species and ecological factors in the locality. Hence, the present study expands our knowledge of the genetic diversity and phenotypic plasticity of E. tenax. The quantification of such variability represents a step towards the evaluation of the adaptive potential of this species of medical and epidemiological importance.

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Myiasis gastrointestinal humana por Eristalis tenax

Cited by 15 publications

References 3 publications

Diptera of sanitary importance associated with composting of biosolids in Argentina

Diptera of sanitary importance associated with composting of biosolids in Argentina

Myiasis

Temporal patterns of genetic and phenotypic variation in the epidemiologically important drone fly, Eristalis tenax

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