ectoparasites for large animal 209 csn

blister beetles are from the ___ order

coleoptera

blister beetles aren’t true parasites and are usually contracted via ___ or ___

contact, ingestion

Blister beetles, specifically the genus ___, produce the substance ___

epicauta, cantharidin

cantharidin a substance produced by the blistering beetle genus epicauta, is a ___ ___, and can cause ___ damage if ingested

cutaneous vesticant, organ

This species is highly sensitive to canthardin produced by blister beetles

horses

blister beetles can be found in ___ ___ which horses may eat

hay bales

When horses ingest blister beetles, it can cause signs of ___

colic

Lice are ___ insects with ___ body parts

wingless, three

The three bodyparts of lice are the rounded/ sharp head area with a large ___ mouthparts, the thorax with ___ pairs of legs, and the abdomen with the ___ organs

mandibulate, three, reproductive

There are two orders of lice ___ which are chewing or biting lice and ___ which are sucking lice

mallophaga, anoplura

When infected with licel, it is called ___

pediculosis

Lice eggs are called ___ and cement to ___ shafts

nits, hair

A lice life cycle lasts ___-___ weeks

3-4

Lice have a ___ stage where they progressively get larger

nymph

The largest stage of lice is called an ___ and these have functional reproduction

adult

The transmission of lice is either through a ___ of lice or ___

host, fomites

The diagnosis of lice is ___. It can also be determined what type of lice it is

visualization

Lice are ___ specific to each lice has a specific host

species

Mallophagan lice are the ___ or ___ lice

chewing or biting

___ spp. is a genus in the mallophagan lice category

Bovicola

The Bovicola spp. are ___ specific

species

Clinical signs of Mallophagan lice: ___, ___, ___

pruritis, hair loss, rough or dry hair coat

Anopluran lice are ___ lice

sucking

The anopluran lice that affect cattle are _ ___, ___ ___, ___ ___

H. eurysterus, Linognathus vituli, solenopotes capillatus

The anopluran lice genus ___ spp. can affect different types of species

hematopinus

The hepatopinus spp. of lice that affects horses is _ ___

H. asini

The hepatopinus spp. of lice that affects hogs is _ ___

H. suis

The clinical signs of anopluran lice is: ___, ___ is severe infestations

pruritus, anemia

Flies are from the order ___ which are two winged insects

diptera

Flies lifecycle is a complete ___. They experience four stages ___, ___, ___, and ___

metamorphosis, egg, larva, pupa, adult

Flies are ___ parasites

periodic

Females flies that partake in blood meals include: ___, ___, ___ flies, ___ flies

gnats, mosquitos, horse, deer

Species of flies where both genders have blood meals include: ___ flies, ___ flies, ___ ___

stable, horn, sheed keds

Fly larva invasion is called ___

myiasis

no-see-ums also called ___ spp.

culicoides

no-see-ums are the intermediate hosts for ___ ___

onchocerca cervicalis

no-see-ums can cause “___ ___” which is the hypersensitivity to their saliva

sweet itch

Horse flies are from the genus, ___ spp. They are very ___ and have ___ like mouth parts

Tabanus, large, scissor

Deer flies are from the genus, ___ spp. They have ___ wings and also have ___ like mouth parts

chrysos, banded, scissor

Both horse flies and deer flies are disease vectors of ___, ___, ___

Anthrax, anaplasmosis, EIA

The stable flies also known as ___ ___

stomoxys calcitrans

Stable flies attack the ___, ___ and ___

legs, ventrum, ears

Stable flies can be a mechanical vectors for ___ and ___. They can also be an intermediate vector for ___ spp. and ___ spp.

anaplasmosis, EIA, Habronema, Stephanofilaria

Stable flies will lay eggs in ___ ___ material

decaying organic

binomial nomenclature of horn flies : ___ ___

Haematobia irritans

horn flies live around ___ and attack their ___, ___, ___ and of hot days their ___.

cows, back, shoulders, sides, ventrum

Horn flies can be an intermediate hose for ___ ___

Stenophanofilaria stilesi

Horn flies lay their eggs in ___ ___

fresh manure

binomial nomenclature of sheep keds is ___ ___

melophagus ovinus

Sheep keds are a ___ parasite

permanent

Sheep keds are ___ flies. In severe situations, ___ and ___ damage may occur

wingless, anemia, wool

Sheep keds do not lay ___ and instead will deposit ___ which experience rapid ___

eggs, larva, pupation

Fly species that feed on other bodily fluids besides blood: _ ___, _ ___, ___ spp., ___ flies

M. domestica, M. autumnalis, Sarcophaga, Blow

Fly larva is falculative meaning that they can ___ to being parasitic

adapt

Bodily fluid feeding flies will ___ ___ or attack dead tissue, and can occassionally destroy tissue

Fly Strike

Screw worm larva is an ___ parasite

obligatory

binomial nomenclature of Screw worms ___ ___

Cochliomyia hominivorax

The ___ screw worms are non parasitic and lay their eggs on living ___

adult, tissue

The parasitic larva of screwworm will spend ___- ___ days feeding on ___ ___

4-7, living tissue

The parasitic larva blow flies after feeding on living tissue drop to the ground to ___

pupate

screwworm is reportable to the ___ and ___

state, federal

Heel flies also known as ___ ___

ox warbles

Heel flies’ Genus is ___ spp.

Hypoderma

Adult heel flies aren’t ___ flies

parasitic

the eggs of heel flies are deposited on ___ hairs

leg

The life cycle of heel flies lasts a ___. The eggs hatch and the larva ___ the skin, and migrates through the ___. Throught the ___ holes they create, they fall to the ground and pupate

year, penetrates, subQ, breathing

Heel fly larva are ___ parasites

obligatory

Bot fly larva are ___ parasites

obligatory

The genus of bot flies is ___ spp.

gasterophilus

The adult bot flies are ___ parasitic and are more of an annoyance. They lay their eggs on ___ hairs

non, leg

The life cycle of a bot fly last about a ___. The eggs hatch and when the horse licks the area and the larva penetrates ___ ___. Migrating to the ___ ___ where they attach for 10-12 months.They are passed in the ___ and pupate

year, oral mucosa, gastric cardia, feces

Nasal bot fly larvae are ___ parasites while the adults are ___. Their binomial nomenclature is ___ ___

obligatory, non-parasitic, oestrus ovis.

Nasal bot flies larvae are deposited in the ___ when they are close to the ground

nostrils

The life cycle of nasal bot flies:

the larvae migrate to the sinuses; passed in the feces then they pupate

Mites are from the ___ order, the ___ family, and there are two genera that we talk about ___ and ___

acarina, sarcoptidae, psoroptes, chorioptes

Mites tend to be ___ specific. They tend to linger ___ on the host

species, superficial

Signs of mites: ___ from punctures in the epidermis or self excoriation, ___, ___ damage like thickening, scaley, or altered pigment

pruritis, alopecia, skin

The psoropitidae are species specific; the species of the binomial nomenclature refers to their ___

host

Transmission of mites is through ___ contact

direct

Mites causes severe ___

pruritis

psoroptic mites are ___ to the state and federal law

reportable

Chorioptic mites can be transmitted via ___ contact

direct

Chorioptioc mites are found on the ___ and ___

feet, tail

Since chorioptic mites are located in easily accessible areas, hosts will lick and ingest them leading to ___ of mites found in fecal floats

stages

Both ___ and ___ are in the Acarina order

mites, ticks

Soft ticks are ___ family

argasidae

hard ticks are the ___ family

ixodidae

Ticks are voracious ___ feeders

blood

Ticks are disease factors for ___, ___, ___, and ___

bacteria, virus, rikettsia, protozoa

Tick paralysis occurs when a host is exposed to a ___ from various ___ ticks

neurotoxin, ixodidae

Ticks have ___ life stages.

four

Tick larva have ___ legs, the nymphs have ___ legs

six, eight

The hosts for ticks are not set meaning it is ___

variable

The diagnosis of ticks is via ___

visualization

Ticks are ___, they can transmit to humans

zoonotic

Soft ticks do not have a ___, and have hard to see ___ ___ parts

scutum, ventral mouth

The species spinous ear tick, ___ ___, only has ___ and ___ stages are parasitic.

otobius megnini, larva, nymph

spinous ear ticks are irritating so the host will be head ___ and may have ___ears

shaking, excoriated

Diagnosis of spinous ear ticks is ___ evaulation

otoscopic