Mites: Non-Burrowing Flashcards
Non-Burrowing mites live on the _____________ or on the __________.
Non-Burrowing mites live on the skin surface or on the hair.
Chorioptes bovis mites are found primarily on the __________ and up to the ___________.
Chorioptes bovis mites are found primarily on the **back of the hind limbs **and up to the tail head.
_____________ mites feed on skin products, infestation may be asymptomatic or cause mild lesions on the animal. Heavy infestations can lead to pruritis, alopecia and crusting.
Chorioptes bovis mites feed on skin products, infestation may be asymptomatic or cause mild lesions on the animal. Heavy infestations can lead to pruritis, alopecia and crusting.
Diagnosis for Chorioptes bovis
Skin scrape
Treatment for Chorioptes bovis
Crotoxyphos or lime sulfur suspensions
MCLs
Hosts for Chorioptes bovis include:
Cattle, sheep, goats, and horses
Foot mange, Leg mange and itchy heel are common names for _______________.
Foot mange, Leg mange and itchy heel are common names for Choriptes bovis.
____________ adults can be up to 300um, have rounded mouth parts and pretarsi /pedicles described as short, unsegmented with large cupshaped suckers.
Chorioptes bovis adults can be up to 300um, have rounded mouth parts and pretarsi /pedicles described as short, unsegmented with large cupshaped suckers.
____________ adults can be up to 750um, have pointed mouth parts and pretarsi /pedicles described as long, segmented with funnel-shaped suckers.
Psoroptes spp adults can be up to 750um, have pointed mouth parts and pretarsi /pedicles described as long, segmented with funnel-shaped suckers.
____________ adults can be up to 300um and have pretarsi /pedicles described as short, unsegmented with large suckers.
Otodectes cynotis adults can be up to 300um and have pretarsi /pedicles described as short, unsegmented with large suckers.
____________ adults can be up to 400um, has a body with a waist and have pretarsi /pedicles with large palpal claws.
Cheyletiella yasguriadults can be up to 400um, has a body with a waist and have pretarsi /pedicles with large palpal claws.
_____________ found on the dorsum from shoulder to head, areas that are well covered with wool or hair.
Psoroptes spp found on the dorsum from shoulder to head, areas that are well covered with wool or hair.
Hosts of Psoroptes spp include _________.
Hosts of Psoroptes spp include Sheep, goats, cattle, horses and rabbits.
Common name for Psoroptes ovis is ____________.
Common name for Psoroptes ovis is Sheep Scab Mite.
Common name for Psoroptes cuniculi is ____________.
Common name for Psoroptes cuniculi is Ear Canker Mite.
Hosts of Otodectes cynotis
Dogs and Cats; humans
Common name for Otodectes cynotis is ___________.
Common name for Otodectes cynotis is Ear Mite.
________ infests the external ear canal and adjacent areas.
Otodectes cynotis infests the external ear canal and adjacent areas.
Hosts of Cheyletiella yasguri
Dogs, Cats, Rabbits; Humans
Common name for Cheyletiellla yasguri is ______________.
Common name for Cheyletiellla yasguri is Walking Dandruff.
__________ infests the back and head.
Cheyletiella yasguri infests the back and head.
Egg to Adult of Chorioptes bovis is __________.
Egg to Adult of Chorioptes bovis is 3 weeks.
Egg to Adult of Psoroptes ovis is __________.
Egg to Adult of Psoroptes ovis is 1-2 weeks.
Egg to Adult of Otodectes cynotis is __________.
Egg to Adult of Otodectes cynotis is 2-3 weeks.
Egg to Adult of Cheyletieela yasguri is __________.
Egg to Adult of Cheyletieela yasguri is 2 weeks.
Psoroptes _________ is highly contagious and considered a reportable disease.
Psoroptes ovis is highly contagious and considered a reportable disease.
C. bovis is differentiated from P. ovis based on the _________ and _________.
C. bovis is differentiated from P. ovis based on the sucker shape and** shape of mouthparts**.
Diagnosis of Psoroptes spp by
Skin Scrape
Prevention of Psoroptes ovis by
Acaricidal treatement of infested livestock
Disinfection or 2-4 week vacating of contaminated enclosures
Treatment of Psoroptes ovis
2 Organophospate dips
Hot lime sulfur dip
MCLs
Egg to adult of Psoroptes cuniculi is ________.
Egg to adult of Psoroptes cuniculi is 10 days.
__________ causes ear canker in rabbits.
Psoroptes cuniculi causes ear canker in rabbits.
Treatment of Psoroptes cuniculi
Ivermectin
__________ produces in the external ear large amouts of cerumen, which together with the mite debris and blood becomes thick, dark and dry.
Otodectes cynotis produces in the external ear large amouts of cerumen, which together with the mite debris and blood becomes thick, dark and dry.
Treatment of Otodectes cynotis
Topical acaricidal treatments
___________ causes exfoliative dermatits in that many skin scales are shed into the hair giving it a powdery appearance.
Cheyletiella yasguri causes exfoliative dermatits in that many skin scales are shed into the hair giving it a powdery appearance.
Diagnosis of Cheyletiella yasguri
Superficial skin scrape
Combing hair and examining for white moving dots
Treatment of Cheyletiella yasguri
Acaricidal treatment

Chorioptes bovis

Psoroptes spp

Otodectes cynotis

Cheyletiella yasguri