نتایج جستجو برای: infestation
تعداد نتایج: 9811 فیلتر نتایج به سال:
Few studies have examined how insect outbreaks affect landscape-level hydrologic processes. We report the hydrologic effects of the invasive, exotic hemlock woolly adelgid (HWA) in a headwater catchment in the southern Appalachian Mountains. The study watershed experienced complete mortality of an evergreen tree species, Tsuga canadensis (L.) Carr. (eastern hemlock), after infestation was first...
Invasive, polyphagous crop pests subsist on a number of crop and non-crop resources. While knowing the full range of host species is important, a seasonal investigation into the use of non-crop plants adjacent to cropping systems provide key insights into some of the factors determining local population dynamics. This study investigated the infestation of non-crop plants by the invasive Drosoph...
This is a report of a case of bird mite infestation which occurred in Wollongong in mid-December1996.The individual suffered hundreds of bites, most of which were marked by itchy red papules3–4 mm in diameter. Tiny mobile parasites (< 1 mm) collected from the skin and adjacentbedroom wall were identified as bird mites from the family Gamasidae, most probably from thegenus Ornith...
This is a report of a case of bird mite infestation which occurred in Wollongong in mid-December 1996. The individual suffered hundreds of bites, most of which were marked by itchy red papules 3-4 mm in diameter. Tiny mobile parasites (< 1 mm) collected from the skin and adjacent bedroom wall were identified as bird mites from the family Gamasidae, most probably from the genus Ornithonyssus. Th...
Histamine is used in bronchial and dermal provocation, but it is rarely considered an environmental risk factor in allergic disease. Because bed bugs defecate large amounts of histamine as a component of their aggregation pheromone, we sought to determine if histamine accumulates in household dust in bed bug infested homes, and the effects of bed bug eradication with spatial heat on histamine l...
Dermanyssus gallinae (Mesostigmata: Dermanyssidae), a mite of poultry, represents the most important ecotoparasite of egg-laying poultry in several countries. We estimated the prevalence of D. gallinae infestation in 38 industrial poultry farms (28 egg-laying and 10 reproductive hen farms) in the governorate of Nabeul (North-East Tunisia). Traps were placed in two locations of each farm during ...
A 49-year-old Iranian male with diagnosis of ischemic heart disease (IHD) and arterial hypertension (AH) was admitted at Emergency Ward of Vase'ee Hospital of Sabzevar, Iran. As well, the patient had red eye and left eye bleeding. On eye examination, leech infestation was found to be the cause of the eye bleeding. In the endemic regions in a patient presenting red eye and eye bleeding, leech in...
background: pediculosis capitis is a continuous common health problem worldwide. pediculus capitis distributes quickly in overcrowded regions. the goal of the present research was to determine some epidemiological features of head lice infestation in khorram-shahr county, southwestern iran. methods: this descriptive cross-sectional study was conducted on the patients with head lice infestatio...
a cross-sectional study was carried out to determine the prevalence and species of camel mange mite infestation in raya-azebo district, northern part of ethiopia. accordingly, three hundred and eighty-four camels were examined and mange mite infestation was detected on 64 of camels. only sarcoptes scabiei var. cameli was identified as the only mite species in all skin scraping samples collected...
Background and purpose: Bed bugs (Cimex lectularius) are major human ectoparasites. Before planning and implementation of any control measures against bed bugs in prisons, it is essential to determine the infestation rate. Materials and methods: This descriptive cross-sectional study was performed to determine the prevalence of bed bug infestation in prisons in Mazandaran Province, 2015-2017....
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