Arthropods

Question 1

phylum characterized by jointed legs and segmented exoskeleton

Answer 1

Arthropoda

Question 2

systems of Arthropods

Answer 2

true body cavity, circulatory, digestive, respiratory, extratory, nervous, and reproductive

Question 3

how do Arthropods reproduce

Answer 3

sexually with eggs

Question 4

resides on surface of host

Answer 4

ectoparasites

Question 5

insects

Answer 5

3 pairs of legs, 3 distinct body regions (head, thorax, abdomen) single pair of antenna

Question 6

arachnids

Answer 6

4 pairs of legs, 2 body regions (cephalothorax, abdomen), no antennae

Question 7

parasitic arthropods rarely encountered in resp. tract of vertebrae

Answer 7

pentastomids

Question 8

mouth parts of arthropods

Answer 8

depends on feeding habits, chewing/biting, sponging, piercing/sucking

Question 9

development of arthropods

Answer 9

egg—>larva—>nymph—>adults

Question 10

mobile digits used for cutting

Answer 10

chelicerae

Question 11

mobile digits used for sensory

Answer 11

palps

Question 12

structure with recurved teeth that maintains attachment to the host and has a groove that allows flow of saliva and host blood and lymph

Answer 12

hypostome

Question 13

what is the order for fleas

Answer 13

Siphonaptera

Question 14

body of fleas

Answer 14

flattened, wingless with legs adapted for jumping

Question 15

what can a heavy flea infestation lead to

Answer 15

anemia

Question 16

what causes itching from fleas

Answer 16

saliva (antigenic)

Question 17

human flea from dogs and cats

Answer 17

Pulex irritans

Question 18

“stick-tight” flea

Answer 18

Echidnophaga gallinacea

Question 19

infestation of fleas

Answer 19

siphonapterosis

Question 20

order for lice

Answer 20

mallophaga and anoplura

Question 21

lice with biting/chewing mouthparts, rectangle shape

Answer 21

mallophaga

Question 22

lice with sucking mouthparts, diamond shaped

Answer 22

anoplura

Question 23

what do adult lice do with eggs (nits)

Answer 23

glue them to hosts hair or feathers

Question 24

when do nits hatch

Answer 24

5-14 days

Question 25

transmission of lice

Answer 25

direct contact but can be contaminated equipment

Question 26

louse infestation

Answer 26

pediculosis

Question 27

order of flies

Answer 27

diptera

Question 28

how do flies hurt their host

Answer 28

painful bites, blood sucking, hypersensitivity reaction, depositing eggs in sores

Question 29

when larvae develop in tissues or organs of hosts

Answer 29

myiasis

Question 30

biting midges (no-see-ums) small flies

Answer 30

Culicoidea sp.

Question 31

what do biting midges do to host

Answer 31

allergic dermatitis, and transmit helminths, protozoa, and viruses

Question 32

black flies or buffalo gnats genus

Answer 32

Simulium

Question 33

where are Simulium sp. most commonly found

Answer 33

streams

Question 34

what do Simulium sp. do

Answer 34

can drain a host of blood, may keep cattle from grazing, and can cause stampedes

Question 35

mothlike flies know for role of transmitting leishmaniasis

Answer 35

sandflies

Question 36

genus of sandflies

Answer 36

Phlebotomus and Lutzomyia sp.

Question 37

examples of muscid flies

Answer 37

horn flies and stable flies

Question 38

horn flies live where

Answer 38

most of life on cattle

Question 39

stable flies live where

Answer 39

stay on host for short time to have meals

Question 40

largest diptera

Answer 40

Chrysops sp. (deerflies) and Tabanus sp. (horseflies)

Question 41

what can deer flies and horseflies transmit

Answer 41

anthrax, anaplasmosis, and viruses (equine infectious anemia)

Question 42

sheep keds

Answer 42

Melophagus ovinus

Question 43

appearance of sheep keds

Answer 43

flatted, wingless flies that resemble ticks

Question 44

what do sheep keds cause

Answer 44

intense pruritus and damage to wool

Question 45

larger flies that are brightly colored

Answer 45

blow flies, flesh flies, screwworm flies

Question 46

what do blow flies, flesh flies, screwworm flies do to host

Answer 46

do not suck blood, but deposit eggs into decaying organic matter, septic wounds, or living tissue

Question 47

botflies species

Answer 47

Gasterophilus sp, Hypoderma sp., Cuterebra sp, and Oestrus sp

Question 48

which botfly lives in nasal passages of sheep

Answer 48

Oestrus sp.

Question 49

which botfly lives in stomach of horses

Answer 49

Gasterophilus sp

Question 50

which botfly lives in dorsal subcutis of cows

Answer 50

Hypoderma sp

Question 51

which botfly create large holes and pockets

Answer 51

Cuterebra

Question 52

most voracious blood feeders, cause malaria, yellow fever, elephantiasis

Answer 52

mosquitoes

Question 53

where do mosquitoes lay their eggs

Answer 53

water

Question 54

species of mosquitoes

Answer 54

Anopheles, Aedes, and Culex

Question 55

class of ticks and mites

Answer 55

Acarina

Question 56

infestation of ticks or mites

Answer 56

acariasis

Question 57

head of tick

Answer 57

capitulum; organ of cutting and attachment made up of hypostome and 4 accessory appendages

Question 58

2 types of ticks

Answer 58

hard (Ixodidae) soft (Argasidae)

Question 59

hard covering of ticks

Answer 59

scutum

Question 60

saliva of females can be ____ and cause____

Answer 60

toxic, cause paralysis

Question 61

rocky mountain spotted fever tick

Answer 61

Dermacentor andersoni

Question 62

pacific coast tick

Answer 62

Dermacentor occidentalis

Question 63

australian paralysis tick

Answer 63

Ixodes holocyclus

Question 64

wood tick

Answer 64

Dermacentor variabilis

Question 65

soft tick ectoparasites of birds

Answer 65

Argas sp.

Question 66

symptoms of Argas sp.

Answer 66

relentless, severe anemia and lack of productivity

Question 67

soft ticks that live in sandy soils and shady areas around trees

Answer 67

Ornithodoros sp.

Question 68

spinose ear tick, produce waxy exudate

Answer 68

Otobius megnini

Question 69

mites that burrow or tunnel in epideris

Answer 69

Sarcoptidae

Question 70

sarcoptic mange

Answer 70

Sarcoptes scabiei

Question 71

burrowing mites that live in hair follicles and sebaceous glands of skin

Answer 71

Demodex sp

Question 72

which type of mites causes pruritus

Answer 72

Sarcoptic

Question 73

non-burrowing mites, live on surface of skin, feed on scale, hair and tissue fluids

Answer 73

Psoroptidae mites

Question 74

species of Psoroptidae mites

Answer 74

Psoroptes, Chorioptes, and Otodectes

Question 75

important species of mites in cattle

Answer 75

Chorioptes bovis

Question 76

walking dandruff

Answer 76

Cheyletiella

Question 77

lives in external ear canal, brownish-waxy exudate

Answer 77

Otodectes cynotis

Question 78

canine pentastone

Answer 78

Linguatula serrata

Question 79

phylum for segmented worms

Answer 79

Annelida

Question 80

medicinal leeches

Answer 80

Hirudo medicinalis

Question 81

invasion of attachment of leeches to skin

Answer 81

Hirudiniasis