Order Sarcoptiformes, Suborder Astigmata (Part 2)

Non-Burrowing

Family Psoroptidae is (Burrowing, Non-burrowing)

surface layer

Family Psoroptidae is parasitic in

thick, heavy scabs

Family Psoroptidae is parasitic in surface layer which forms ___

oval

Family Psoroptidae shape

DOES NOT

Family Psoroptidae (DOES, DOES NOT) Have Dorsal Spine

longer

Family Psoroptidae (longer, shorter)

beyond the margin of the body

Family Psoroptidae legs is longer and projects _____

caruncles

Family Psoroptidae contains ____ on stalks (pedicels) on tarsi on some or all legs

caruncles

bell-shaped sukers

pedicles

stalks

Not visible

Family Psoroptidae last 2 pairs of legs is

terminal

Anus location of Family Psoroptidae

Adanal suckers

Family Psoroptidae Male has this structure that protrudes in the anus

Stratum corneum

Family Psoroptidae causes scab in this part of the skin layer

prolonged into 2 lobes

Family Psoroptidae Male Posterior Margin is _____

Psoroptes & Chorioptes

Male Posterior margin is prolonged into 2 lobes in these Genus

DOES NOT

Females of Family Psoroptidae (DOES, DOES NOT) have suckers; and DOES NOT create tunnel-like tract

DOES HAVE

Family Psoroptidae (DOES NOT, DOES HAVE) Sexual Dimorphism

Chorioptes

Genus Psoroptes is similar to

is NOT host specific

Genus Psoroptes (is host-specific, is NOT host specific)

hair/wool or in ears of hosts

Genus Psoroptes infests in skin parts of the body covered w

last 2 pairo

Pair of legs of Genus Psoroptes that is smaller

jointed

Genus Psoroptes has _____ pedicels

TRUE

Genus Psoroptes can survive outside host for several days. T or F

21 days (3 weeks)

Genus Psoroptes Life Cycle can last up to

2; Protonymph, Deutonymph

Genus Psoroptes Number of Stadia; enumerate

Psoroptes ovis

cosmopolitan body mite in domesticated sheep and possibly cattle; cause of 'sheep-scab'

sheep scab

Psoroptes ovis causes

horses

Psoroptes ovis can also affect ___ aside from sheeps

Psoroptes equi

body mite of horse also in donkey and mule

Psoroptes natalensis

body mites of domesticated cattle, zebu and Indian water buffalo in Republic of South Africa, Souht America, New Zealand and France

Psoroptes cervinus

in bighorn sheep and wapiti

Psoroptes cuniculi

cosmopolitan species w/c occurs on ears of rabbits, goats, sheep, horse, donkey, mule and possibly gazelle

Psoroptes bovis

in cattle

Psoroptes caprae

in goat

Psoroptes hippotis

in ears of horses & mules

Psoroptes equi

Psoroptes ovis is synonymous with

Ear canker

Psoroptes cuniculi causes

• Eggs laid on skin at the edges of lesions

• Eggs hatch one to three days Life-cycle

• Larvae feed

• Moult to nymphal stage two to three days after hatching; passing the last 12 hours in state of lethargy

• Nymphal stage lasts 3 to 4 days including lethargic period (36hrs.)

Life Cycle of Genus Psoroptes

21 days (3 weeks)

Genus Psoroptes Life Cycle lasts for

skin at the edges of lesions

Genus Psoroptes Eggs is laid on

1-3 days

Genus Psoroptes eggs hatch in

DOES

Genus Psoroptes LARVAE (DOES, DOES NOT) feeds

Hypobiosis

state of lethargy (arrested development) (Genus Psoroptes)

3-4 days

Nymphal stage of Genus Psoroptes lasts for how many days?

Non-Burrowing

Genus Chorioptes is (Burrowing, Non-Burrowing)

skin

Genus Chorioptes location in body

chorioptic

Genus Chorioptes causes _____ mange

unjointed

Genus Chorioptes Tarsal suckers have _____ pedicels

on pedicels of all legs

MALE Genus Chorioptes Suckers Location

1st, 2nd and 4th pair of legs

FEMALE Genus Chorioptes Suckers Location

Male

What SEX of Genus Chorioptes is this: Has a Turret-like marked abdominal lobes which bear several hairs w/c are spatulate at base

spatulate at base

Male Genus CHORIOPTES has Turret-like marked abdominal lobes which bear several hairs w/c are ____ ___ ____

Base of Abdominal lobes

Adanal suckers of Genus Chorioptes occurs at

Posterior dorsal aspect

Pubescent Female of Genus Chorioptes COPULATORY TUBERCLES location

turret-like

tower within a tower

Chorioptes equi

on fetlocks of horses

Chorioptes ovis

on pasterns of sheep

Chorioptes caprae

occurs in goat

Chorioptes cuniculi

on the ears of rabbit

Chorioptes bovis

-causes 'foot mange' or 'itchy leg' in horses

- In cattle, camels, and wild ruminants, the root of tail is frequently affected

foot mange or itchy legs

Chorioptes bovis causes _____ in horses

Chorioptes bovis

Causes "foot mange" or "itchy leg" on Horses

Root of tail

Chorioptes bovis frequently affects what part of Cattle, Camels, & Wild Ruminants

Chorioptes texanus

occurs in ears of reindeer and goats

Chorioptes bovis

Chorioptes equi is synonymous to

Chorioptes ovis

Causes seminal degeneration if it reaches the scrotum

Chorioptes texanus

causes serious condition in horses

2; Protonymph & Deutonymph (same w Psoroptes)

Genus Chorioptes Life Cycle; Instar

-Otodectes cynotis

-Choriopsoroptes kenyensis

-Paracoroptes allenopitheci & Cebalges gaudi

-Caparinia tripilis

-Caparinia ictonycti

Species of Genus Otodectes

earwax (cerumen)

Otodectes cynotis location in body

Otodectes cynotis

occurs in ears of dog, cat, fox, arctic fox, racoon, ferret and other carnivores, causing ear/otodectic mange

Choriopsoroptes kenyensis

causes mange lesions along the back, chest, axillae and groin of African buffalo

Paracoroptes allenopitheci and Cebalges gaudi

Body and ears of primates in Africa and South America

Caparinia tripilis

occurs on head of hedgehogs

Caparinia ictonyctis

in striped polecat and small-spotted genet in Republic of South Africa

Family: Acaridae (Tyroglyphidae)

Mite feeds on organic material some in flour, grain, cheese, copra and similar products

flour, garin, cheese, copra

Family Acarida (Tyroglyphidae) feeds on organic material such as

Grain Mites

Family Acaridae (Tyroglyphidae) is also called

!!!

[!!!] Family Acaridae (Tyroglyphidae) is Non-Pathogenic but if there is a huge number of population, it can cause Gastrointestinal upset

man & animals

Accidental hosts of Family Acaridae (Tyroglyphidae)

-well-marked suckers

-distinct 'thumbprint' pattern on body surface

These structures are absent in Family ACARIDAE (Tyroglyphidae)

Acarus (Tyroglyphus) siro

cheese mite but also found on other stored food

Cheese Mite

Acarus (Tyroglyphus) siro other name

Acarus farinae

-found in variety of stored products, esp. cheeses and grains

-in man may cause digestive upsets and skin lesions

-crawls in food products

digestive upset & skin lesions

Acarus farinae may cause ___ & ___ in man

Tyrophagus (Tyroglyphus) longior

the 'copra mite', found in grains, seeds, and copra and responsible for 'copra itch'

Copra mite

Tyrophagus (Tyroglyphus) longior other name

Copra itch

Tyrophagus(Tyroglyphus) longior causes

grains, seeds, copra

Tyrophagus(Tyroglyphus) longior can be found in

Glyciphagus domesticus

- very common species found in many stored food products

- cause of 'grocer's itch' in human

Grocer's itch

Glyciphagus domesticus other name

Suidasia nesbitti

the cause of 'wheat pollard itch', scaly grain mite

shields

Family Proctophyllodidae species have several _____on the body

bilobed

Family:Proctophyllodidae POSTERIOR end of females is _______ & bears leaf-like appendages

leaf-like appendages

Family:Proctophyllodidae Posterior end of females bears a

Pterophagus strictus

lives on feathers of pigeon

Family Proctophyllodidae & Family Dermoglyphidae

Families who are both considered as Feather Mite

'wheat pollard itch', scaly grain mite

Suidasia nesbitti causes

Carpoglyphus lactis

the cause of 'dried fruit mite dermatitis'