Mites: Blood Sucking

Question 1

Red mite, roost mite and poultry mite are common names for ______________.

Answer 1

Red mite, roost mite and poultry mite are common names for Dermanyssus gallinae.

Question 2

Distribution of both blood sucking mites is _______________.

Answer 2

Distribution of both blood sucking mites is worldwide.

Question 3

Hosts of Dermanyssus gallinae are ___________.

Answer 3

Hosts of Dermanyssus gallinae are domestic and wild birds; humans.

Question 4

___________ can be up to 750um; spider like with long legs. Mouthparts are needle like and adapted for piercing and sucking. When engorged, body becomes red to black in color.

Answer 4

Blood sucking mites can be up to 750um; spider like with long legs. Mouthparts are needle like and adapted for piercing and sucking. When engorged, body becomes red to black in color.

Question 5

_________ infest anywhere on the body.

Answer 5

Dermanyssus gallinae infest anywhere on the body.

Question 6

Diagnosis of Dermanyssus gallinae

Answer 6

Can be difficult since not always on bird

Examine environment

Question 7

__________ can only be found on the host at night. Buildings must be treated for control.

Answer 7

Dermanyssus gallinae can only be found on the host at night. Buildings must be treated for control.

Question 8

Common name for Ornithonyssus sylvarium is the _______________.

Answer 8

Common name for Ornithonyssus sylvarium is the Northern Fowl Mite.

Question 9

Common name for Ornithonyssus bursa is _______________.

Answer 9

Common name for Ornithonyssus bursa is Tropical Fowl Mite.

Question 10

Hosts of Ornithonyssus spp include __________________.

Answer 10

Hosts of Ornithonyssus spp include chickens; other birds; humans.

Question 11

___________ infests among the feathers and around the vent area.

Answer 11

Ornithonyssus spp infests among the feathers and around the vent area.

Question 12

Diagnosis of Ornithonyssus spp

Answer 12

Examination

Question 13

___________ is the most common poultry mite and most important ectoparasite of caged layers and breeding chickens in the US.

Answer 13

Ornithonyssus spp is the most common poultry mite and most important ectoparasite of caged layers and breeding chickens in the US.

Question 14

Life cycle of Dermanyssus gallinae

Answer 14

Spend much of life away from host

Adult and Nymphs visit bird at night to feed

Adults lay egg off host

Question 15

Entire life cycle of Dermanyssus gallinae is completed in less than ____________.

Answer 15

Entire life cycle of Dermanyssus gallinae is completed in less than 7 days.

Question 16

Dermanyssus gallinae can live up to _________ without a blood meal.

Answer 16

Dermanyssus gallinae can live up to **8 months **without a blood meal.

Question 17

Life cycle of Ornthonyssus spp.

Answer 17

Remain on the bird

Question 18

Ornithonyssus spp can only survive for ____________ away from the host.

Answer 18

Ornithonyssus spp can only survive for 10 days away from the host.

Question 19

Heavy infestations of ___________ may decrease reproductive/egg production and weight gain in young birds; can also cause anemia and death.

Answer 19

Heavy infestations of blood sucking mites may decrease reproductive/egg production and weight gain in young birds; can also cause anemia and death.

Question 20

Answer 20

Dermanyssus gallinae

Question 21

Answer 21

Ornthonysuss spp