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At least 91 records · Page 5Linked to original sources
PubMed1980

Cheyletiella dermatitis. A mite infestation of rabbit, cat, dog, and man.

Two patients with recurrent, intensely pruritic, grouped red papules on the chest, abdomen, and thighs were examined and found to have Cheyletiella dermatitis. Cheyletiella, a nonburrowing species of mite, was isolated from fur brushings of the household pets, including one dog and two cats. Treatment of the affected pets resulted in complete resolution of symptoms and signs in both animals and patients. This appears to be the third instance of human Cheyletiella dermatitis recorded in North America.

Adult↗
PubMed1994

[Frequency of occurrence of symptomatic and asymptomatic eyelid mite infestations among inhabitants of Szczecin].

Group of 529 patients, inhabitants of Szczecin, was examined for the presence of Demodex spp. in eyelid hair follicles. The incidence of infestation increased with age. High intensity of infection by Demodex spp.--44%-86%--was noted in age groups: 17-25, 26-34 and over 35 years. In group of subjects 26-34 years and older were noted 46%-80% of symptomatic infestation cases.

Adolescent↗
PubMed1986

Guanine as a hygienic index for allergologically relevant mite infestations in mattress dust.

Since guanine is not only an essential constituent of vital nucleic acids, but also the main end product of nitrogenous waste excretion in arachnids, it is a potential candidate for a hygienic index for mite activity in house dust. The public health significance of these mites is based on their production of allergen in the home environment. In 101 mattress-dust samples, total number of mites and guanine content were positively correlated. The hygienic standard of 10 mites per 0.1 g dust (as derived from Danish investigations) was met in all samples with less than 0.06% guanine in the dry dust. Where the guanine content was more than or equal to 0.25% in the dry dust, mite numbers were higher than 10 mites per 0.1 g dust in 43 of the 44 samples. The three different groups (negligible mite content, possibly allergologically relevant mite concentration and allergologically unhygienic mite situation) could be easily discriminated on the color scale. The guanine-AZO-dye reaction in vacuum cleaner dust is a strong and promising candidate for an allergologically relevant hygienic index in the home.

Allergens↗
PubMed1994

Immunoglobulins in patients with atopic dermatitis due to mites infestation in Qualyobia Governorate, Egypt.

Atopic dermatitis (A.D.) is a hereditary and distinct form of eczema which may be associated with other atopic manifestations. The aetiopothogenesis of A.D. is unknown and it is widely accepted that both intrinsic and extrinsic factors are involved. House dust mites (HDM) are of great medical importance in causing allergic manifestations in human being. In the present work, a total of 30 A.D. patients with different ages of both sexes were examined for the immunoglobulins level as compared to control group. The IgG, IgM, IgA & IgE were higher in the patients than in the controls. These differences were highly significant in the IgE. On the other hand, IgA showed no significant increase.

Adolescent↗
PubMed2005

Efficacy of topical administration of eprinomectin for treatment of ear mite infestation in six rabbits.

Six rabbits naturally infested with Psoroptes cuniculi were treated topically on the skin at the base of the neck with 0.5 mg kg(-1) of 0.5% pour-on eprinomectin for cattle, twice at 14-day intervals. Efficacy of the drug was based on the disappearance of clinical signs and the absence of live mites for a period of 6 weeks. Clinical improvement was seen within 3 days of the first application; however, complete recovery of clinical signs and elimination of mites in 5/6 rabbits did not occur until the end of the study. No adverse reactions attributable to eprinomectin treatment were observed during the observation period. Results of this trial indicated that eprinomectin was partially effective in the treatment of psoroptic mange in rabbits.

Administration, Cutaneous↗
PubMed2007

Use of selamectin for the treatment of psoroptic and sarcoptic mite infestation in rabbits.

Selamectin, a novel avermectin compound, was evaluated for its efficacy against naturally occurring infestations of Psoroptes cuniculi and Sarcoptes scabiei. A total of 42 New Zealand rabbits with psoroptic mange and 37 Angora rabbits with sarcoptic mange were used in the present study. On day 0, infested rabbits were treated topically with either selamectin at minimum dose of 6 mg kg(-1) (6-18 mg kg(-1) for New Zealand rabbits, n = 31 and 10-12 mg kg(-1) for Angora rabbits, n = 23) or vehicle only (control groups, n = 11 for New Zealand rabbits, n = 14 for Angora rabbits). The efficacy of selamectin was assessed both clinically and parasitologically by the presence or absence of viable mites. Rabbits were scraped for sarcoptic mites on days 7, 14, 28, 42 and 56 and had otoscopeic and/or microscopic examination for the detection of Psoroptes mites on days 7, 14, 42 and 56. Fisher's exact test was used to assess differences between the vehicle and selamectin treatment in the number of rabbits without mites (cure rates) on each assessment date. It was found that significantly fewer selamectin-treated rabbits had mites detected on skin scrapings (for S. scabiei) or otoscopeic and/or microscopic examination (for P. cuniculi) (P < 0.01) than the vehicle group. Results of the present study suggest that selamectin is effective against naturally infestations of P. cuniculi and S. scabiei in rabbits.

Administration, Cutaneous↗
PubMed2001

Seasonal occurrence of specialist and generalist insect predators of spider mites and their response to volatiles from spider-mite-infested plants in Japanese pear orchards.

In two adjacent Japanese pear orchards (orchards I and 2), we studied the seasonal occurrence of the Kanzawa spider mite. Tetranychus kanzawai, and its predators. Also the response of these predators to the volatiles from kidney bean plants infested with T kanzawai was investigated using trap boxes in orchard 1. The mite density in orchard 1 was unimodal. with one peak at the end of August. In this orchard, population development of the specialist insect predators, Scolothrips takahashii, Oligota kashmiria benefica and Stethorus japonicus was almost synchronized with that of the spider mites. These predators disappeared when the density of their prey became very low in mid-September. Both S. takahashii and O. kashmirica benefica abruptly increased in number in orchard 2 when the spider mite population in orchard 1 decreased. These results suggested that some of the predators migrated from orchard 1 to orchard 2. In this period, predator-traps with T kanzawai-infested bean plants attracted significantly more S. takahashii than traps with uninfested plants. Very few individuals of S. japonicus and O. kashimirica benefica were found in the traps, despite their abundance in orchard 1. The generalist insect predator, Orius sp., was attracted to the traps throughout the experimental period irrespective of the density of spider mites, although this predator was never observed inside the orchards.

Animals↗
PubMed1996

[Mite infestation rate of pet dogs with ear dermatoses].

This study aimed to investigate the incidence of the canine ear dermatoses caused by mites and the relativity of the causative mites of canine dermatoses to the pruritic dermatoses of the families possessing the pet dogs. Total 970 samples were collected from the lesional hairs and scales of the ear of pet dogs referred to Chung-Woon animal clinic in Seoul from January, 1990 to December, 1995. The mites were collected from the samples by means of the washing method. Presence of pruritic dermatoses in the families possessing the pet dog was evaluated. Among 2,147 mites collected from 970 samples, 2,117 specimens were Octodectes cynotis and others were Sarcoptes canis (30 mites). O. cynotis were found in 382 samples out of total 970 samples (39.4%) and S. canis were found in 3 samples (0.3%). Although two families out of 382 families that possessed the diseased pet dog by O. cynotis had the family histories of pruritic dermatoses, their pruritic dermatoses were not related to the infestation by O. cynotis. In conclusion, O. cynotis, the most common canine mite producing pruritic ear dermatoses, does not cause pruritic dermatoses in man.

Animals↗