Order Sarcoptiformes, Suborder Astigmata (Part 1)

Order: Sarcoptiformes; Suborder: ?

Astigmata

zoonotic

Suborder Astigmata are known __

Internal organs

Suborder Astigmata affects the ____ of Avian spp. esp Poultry

Poultry

Suborder Astigmata affects the internal organs of Avian spp. esp

Tracheal trunk & Ventral plate

Structures absent in Suborder Astigmata

Cuticles (skin/integument)

Bc Suborder Astigmata is devoid of Tracheal trunk, where do they breath instead?

Suborder Astigmata

Large number of species w/c are mostly free-living and small in size

Grain mites

Example of free-living mites of Astigmata

Storage of grains

Grain Mites location

Anterior: 2 pairs

Posterior: 2 pairs

Leg conformation in Suborder Astigmata in both Nymphs & Adults

suckers, claws, hairs

Suborder Astigmata Legs ends in ___, ___, ___

Suborder Astigmata

Some tarsi are equipped with sarcoptiform pretarsi, a sucker caruncle that is supported on a thin terminal stalk, the pedicel

sarcoptiform pretarsi

a sucker caruncle that is supported on a thin terminal stalk, the pedicel (Astigmata)

pedicel

bell-like sucker of Astigmata

Hypopial nymphs/hypopi

-Nymphs adapted to resist adverse condition, provided w/ suckers and hooks on their legs use to adhere to transport host

-Hardy stadia

Sarcoptidae, Psoroptidae

Important Spp of Suborder Astigmata

Sarcoptes

cause of scabies in man and mange in sheep, goats, cattle, pigs, equines, dogs, foxes, rabbits and other animals

Notoedres

the cause of mange in cats, rabbits and rats

Cosarcoptes, Prosarcoptes, Pithesarcoptes, Kutzerocoptes, and Trixacarus

Sarcoptidae spp that affects Non-Human Primates (NHP)

Family Sarcoptidae

Burrows more or less deeply into skin, causing marked thickening rather than formation of scabs

intense pruritis

Family Sarcoptidae causes

Sarcoptes

Family Sarcoptidae; Genus: ?

globose

Genus Sarcoptes & Notoedres Mites shape

scaly and spinose areas

Genus Sarcotes & Notoedres Mites is globose and striae of the skin are interrupted by

2 vertical setae

Genus Sarcoptes has ___ ____ ____ that occurs on occurs on dorsum of propodosoma

dorsum of propodosoma

Genus Sarcoptes has 2 vertical setae that occurs on ____ ___ ____

1st, 2nd, 4th

# of Leg pair in Male Sarcoptes that end in bell-shaped suckers (caruncle)

1st, 2nd

# of Leg pair in Female Sarcoptes that end in bell-shaped suckers (caruncle)

3rd

# of Leg pair in Male Sarcoptes that end in bristles

3rd, 4th

# of Leg pair in Female Sarcoptes that end in bristles

NOT segmented

Sarcoptes Pedicels are (segmented, NOT segmented)

terminal

Sarcoptes Anus location

Adanal suckers

Sarcoptes Male DOES NOT HAVE

330-600 um (0.33 - 0.6mm) x 250-400 um (0.25-0.4 mm)

Female Sarcoptes Scabei Size

200-240 um (0.2 - 0.24mm) x 150-200 um (0.15 x 0.2 mm)

Male Sarcoptes Scabei Size

man, dogs, pigs, horse and other animals

Sarcoptes scabei occurs in

• lays egg at 40-50

• Hatch into larvae- 3-5 days

• 2 nymphal stage (protonymph and deutonymph)

• Adults develop- 17 days

Sarcoptes scabei Life Cycle

40-50

Sarcoptes scabei lays eggs at

3-5 days

Sarcoptes scabei Hatch into Larvae

2, Protonymh & Deutonymph

Sarcoptes scabei # of Nympha Stage & enumerate

17 days

Sarcoptes Scabei develops into adults duration

NOT Host-specific

Sarcoptes spp is (Host-specific, NOT Host-specific)

Sarcoptes spp

Spp. whose Females are only MATED ONCE & stays fertilized in lifetime (also wy Males are rare to be isolated)

2-3

# of Eggs released per DAY by Sarcoptes Scabei

Norwegian itch

other name of Sarcoptes scabei based on the location of its first isolation

7-year itch

Sarcoptes scabei causes "__ ___ ___"

• Sarcoptes Scabiei var. hominis

• Sarcoptes var. canis

• Sarcoptes var. suis

• Sarcoptes var. equi

• Sarcoptes var. cuniculi

• Sarcoptes tapiri

Sarcoptes spp

Sarcoptes Scabiei var. hominis

Sarcoptes in humans

Sarcoptes var. canis

Sarcoptes in dogs

Sarcoptes var. suis

Sarcoptes in pigs

Sarcoptes var. equi

Sarcoptes in horses

Sarcoptes var. cuniculi

Sarcoptes in rabbits

Sarcoptes tapiri

Sarcoptes that occurs in tapir

Notoedres, Sarcoptes

Genus whose Body is globose, striae is interrupted by scaly, or spinose areas and there are 2 vertical setae on dorsum of propodosoma

dentate w sharp points

Genus Notoedres has a Dorsal ___ _____ __ ____ ____

short

Notoedres Legs are (long, short)

Sarcoptes

Leg Distribution of Notoedres is similar to this Genus

Dorsally

Notoedres Anus location

Notoedres cati

minute mites that attacks mainly cats, occasionally rabbits

ears & back of neck, but may extend to face, foot, & hindpaws (young cats - whole body)

Notoedres cati occurs chiefly on

gray/yellowing crusts

Notoedres cati characteristics of lesions (color)

ears, face or neck

Notoedres cati characteristics of lesions (location)

thickened & wrinkled

Notoedres cati characteristics of lesions; skin is markedly

Notoedres muris

cause ear mange in rat

ears, nose, tail, sometimes external genitalia

Notoedres muris lesions location

Notoedres oudemansi, Notoedres douglasi

other Notoedres spp.

Notoedres oudemansi

Notoedres spp that occurs in Rattus rattus alexandrinus

Rattus rattus alexandrinus

Notoedres oudemansi occurs in this Rat specie

Grey squirrels in California

Notoedres douglasi occurs in

Notoedres douglasi

occurs in Grey squirrels in California

smaller, bigger

(bigger, smaller)

Notoedres cati: ?

Notoedres muris: ?

Trixacarus diversus, Trixacarus (Caviacoptes) caviae

Genus Trixacarus spp.

Trixacarus diversus

cause severe mange in rats, white mice and hamsters

Trixacarus (Caviacoptes) caviae

responsible for mange in guinea-pig; characterized by pruritus, keratinization and alopecia

pruritus, keratinization and alopecia

Trixacarus caviae is responsible for mange in guinea-pig; that is characterized by

NO

Can Trixacarus diversus be seen in PH

Sarcoptes

Trixacarus (Caviacoptes) caviae looks more like this genus

Cosarcoptes, Prosarcoptes, Pithesarcoptes, and Kutzerocoptes

Genus that occurs in Non-Human Primates

Cosarcoptes, Prosarcoptes and Pithesarcoptes

occurs in old world monkeys (Cercopithecidae )

Kutzerocoptes

Parasite of new world monkey (Cebidae)

Cosarcoptes scanloni

spp in Kutzerocoptes

Cnemidocoptes

Family: Knemidicoptes; Genus: ?

NO Dorsal Spines

Notoedres, Sarcoptes, & Cnemidocoptes are globose, & striae are interrupted to form scale but the only difference is that, Cnemidocoptes have __ ______ ______

Two longitudinal chitinized bars

Cnemidocoptes: ___ ________ _______ ____ runs from bases of pedipalps to level of legs where they are united to transverse bar

pedipalps

Cnemidocoptes: Two longitudinal chitinized bars runs from bases of ______ to level of legs where they are united to transverse ba

legs

Cnemidocoptes: Two longitudinal chitinized bars runs from bases of pedipalps to level of ____ where they are united to transverse bar

transverse bars

Cnemidicoptes: Two longitudinal chitinized bars runs from bases of pedipalps to level of legs where they are united to ______ ____

Cnemidocoptes gallinae, Cnemidocoptes mutans

causes Depluming itch

Cnemidocoptes gallinae

small mite causes 'depluming itch' in fowls

back & wings, rarely on head & neck

Cnemidocoptes gallinae lesions are mostly seen on

Meginia cubitalis

causes a similar disease to Depluming itch

feather mites

Meginia cubitalis common name

Cnemidocoptes mutans

causes 'scaly leg' condition in fowls and turkeys

Scaly legs

Cnemidocoptes mutans & Cnemidocoptes pilae causes

Cnemidocoptes pilae

cause of 'scaly legs' in budgerigars or parakeet in Britain

shanks & pads of feet; junction of beak & feathers

Cnemidocoptes pilae affects (loc in body)

grey-white to yellow crusty mass resembling honeycomb

Cnemidocoptes pilae affects the junction of beak and feathers producing ____

Cnemidocoptes jamaicensis

cause of scaly leg in golden thrush of Jamaica

Cnemidocoptes fossar

maja finch