the poultry red mite, dermanyssus gallinae is one of the most economically important ectoparasites in hens and some species of mammals worldwide. cases of human infestation have been reported worldwide. in this study we report infestation in three members of a family referred with pruritus and allergic dermatitis rash. they have collected very small animals and carried them to the laboratory wh...

Lodgepole pine (Pinus contorta var. latifolia) forests across western North America have been undergoing a major mortality event owing to a mountain pine beetle (Dendroctonus ponderosae) infestation. We studied biotic and abiotic drivers of growing season soil respiration in four mature stands experiencing different levels of mortality between 2008 and 2012 in southeastern Wyoming, USA. Bark be...

BACKGROUND Nothing is known about the prevalence of delusional infestation in veterinary practice and the consequences for psychiatrists. AIMS We attempted to examine the frequency of delusional infestation among pet owners presenting their animals to veterinary clinics. METHOD We conducted a survey among 32 663 veterinary clinicians who were members of the Veterinary Information Network. ...

This study was aimed to determine abundance and body distribution of PRM in laying hens of Arak. A total of 1400 laying hens were randomly examined from January to June 2008. Of those, 26 (92.86%) layer farms were found to be infested with Dermanyssus gallinae (39.3%). There was significant association between prevalence and climatic conditions of the region. The most common predilection site o...

OBJECTIVE & METHODOLOGY The current study evaluated the effectiveness and cost-effectiveness of Insecticide Treated Curtain (ITC) deployment for reducing dengue vector infestation levels in the Cuban context with intensive routine control activities. A cluster randomized controlled trial took place in Guantanamo city, east Cuba. Twelve neighborhoods (about 500 households each) were selected amo...

Sheep scab, caused by infestation with the mite Psoroptes ovis, is highly contagious, causing intense pruritus and represents a major welfare and economic concern. Disease control strategies rely upon chemotherapy, however, sustainability is questionable due to issues of chemical residues, eco-toxicity and acaricide resistance. Control by vaccination is supported by demonstration of protective ...

The diagnosis of head lice infestation is made through visual inspection of the hair and the scalp or by dry/wet combing. The choice of the method essentially depends whether the examiner aims at the detection of active infestation – presence of trophic stages and/or viable eggs – or wants to identify a historical infestation (presence only of nits/dead eggs). For the latter purpose, visual ins...