Mites: Burrowing Mites Flashcards
Burrowing mites spend their entire lives ____________________.
Burrowing mites spend their entire lives on the host, do not survive well off the host.
General characteristics of burrowing mites include:
Round bodies
Short posterior legs that do not extend beyond the margin of the body
Each strain of _________ has a preferred host.
Each strain of Scarcoptes scabiei has a preferred host.
Sarcoptic mange mite, itch mite, scabies mite are common names for _________.
Sarcoptic mange mite, itch mite, scabies mite are common names for Sarcoptes scabiei.
Common name for the strain of Sarcoptes scabiei that infect cattle is _________.
Common name for the strain of Sarcoptes scabiei that infect cattle is neck and tail mange.
Distribution of all burrowing mites is __________.
Distribution of all burrowing mites is worldwide.
_____________ adults can be up to 400um and has many spines on the body.
Sarcoptes scabiei adults can be up to 400um and has many spines on the body.
Life cycle of Sarcoptes scabiei
Females burrown in the skin and lay eggs in burrows
Larvae hatch and return to the surface of the skin
All stages tunnel in the epidermis, resurface and burrow again
Egg to adult of Sarcoptes scabiei is ____________.
Egg to adult of Sarcoptes scabiei is 2-3 weeks
Tunneling activity of ____________ along with their secretions acting as antigens and inducing hypersensitivity causes pruritis and dermatitis associated with epidermal hyperplasia.
Tunneling activity of Sarcoptes scabiei along with their secretions acting as antigens and inducing hypersensitivity causes pruritis and dermatitis associated with epidermal hyperplasia.
In pigs, they hypersensitivity phase of ____________ is followed by desensitization or no hypersensitivity and development of a carrier state.
In pigs, they hypersensitivity phase of Sarcoptes scabiei is followed by desensitization or no hypersensitivity and development of a carrier state.
Diagnose Sarcoptes scabiei by
Skin scraping
Pigs- ear wax
Predilation site of sarcoptes scabiei in dogs is __________.
Predilation site of sarcoptes scabiei in dogs is ears, elbows, ventral thorax and abdomen.
Predilection site for Sarcoptes scabiei in pigs is _____________.
Predilection site for Sarcoptes scabiei in pigs is head, inner surface of the ears.
Predilection site of sarcoptes scabiei in cattle is ____________.
Predilection site of sarcoptes scabiei in cattle is neck and base of the tail.
Treatment for Sarcoptes scabiei
Dogs: MCLs
Pigs: MCLs with sow treatment
Cattle: MCLs under supervision
Sarcoptes scabiei of __________ is of most zoonotic concern
Sarcoptes scabiei of dogs is of most zoonotic concern
Sarcoptes scabiei of __________ is a reportable disease.
Sarcoptes scabiei of cattle is a reportable disease.
Sarcoptes scabiei
Hosts of Notoedres cati include __________ and ___________.
Hosts of Notoedres cati include Cats and Humans.
Common name for Notoedres cati is _________________.
Common name for Notoedres cati is Notoedic cat mite.
_______________ adults can be up to 240um and have no spines.
Notoedres cati adults can be up to 240um and have no spines.
Site of infestation of ______________ is around the head and neck
Site of infestation of Notoedres cati is around the head and neck
Egg to adult of Notoedres cati is ____________.
Egg to adult of Notoedres cati is 6-10 days.
______________ is highly contagious and gives the appearance as dry, encrusted, scaly lesions o the edges of the ears and on the face.
Notedres cati is highly contagious and gives the appearance as dry, encrusted, scaly lesions o the edges of the ears and on the face.
Diagnosis of Notoedres cati through:
Skin Scraping
____________ can temporarily infest humans, treatment of pet usually cures human.
Notoedres cati can temporarily infest humans, treatment of pet usually cures human.
Treatment for Notoedres cati
Selamectin
Ivermectin
Fipronil
Hosts of Knemidocoptes spp include ______, _______, and _________.
Hosts of Knemidocoptes spp include chickens, turkey and caged birds.
Common name for Knemidocoptes mutans is ____________.
Common name for Knemidocoptes mutans is Scaly leg mite.
Common name for Knemidocoptes gallinae is ____________.
Common name for Knemidocoptes gallinae is Depluming Itch Mite.
Site of infestation of ___________ is under scales on the legs or non-feathered portions of the face.
Site of infestation of Knemidocoptes spp is under scales on the legs or non-feathered portions of the face.
Egg to adult for Knemidocoptes spp is ____________.
Egg to adult for Knemidocoptes spp is 17-21 days.
_______________ burrow in the epidermis under the scales on the legs causing the scales to lift and become loosened and the legs to become thickened and deformed.
Knemidocoptes mutans burrow in the epidermis under the scales on the legs causing the scales to lift and become loosened and the legs to become thickened and deformed.
_______________ invades the feathers and burrows into the shafts causing pain and irritation.
Knemidocoptes gallinae invades the feathers and burrows into the shafts causing pain and irritation.
Diagnosis of Knemidocoptes spp by
Removing and examining a loose scale
Skin Scraping
Treatment for Knemidocoptes spp.
Dipping legs into acaricidal solution
Oral or topical ivermectin
Notoedres cati
Knemidocoptes spp.
