Ectoparasites: Phylum Arthropoda

Question 1

Phylum Arthropoda

Answer 1

“Jointed foot”

Question 2

Arthropods may serve as

Answer 2

Casual agents and produce venoms or toxic substances
Intermediate hosts for protozoan and helminth parasites
Vectors for bacteria, viruses, and other pathogens

Question 3

What do adult Arthropods have?

Answer 3

Jointed legs
Segmented bodies with a hard outer covering
Have a Hemocoel
Dioecious and reproduce by means of eggs

Question 4

What is the hard outer covering composed of?

Answer 4

Chitin

Question 5

What is the Hemocoel?

Answer 5

A body cavity filled with hemolymph

Question 6

What does Dioecious mean?

Answer 6

Male and female individuals

Question 7

What are the characteristics of insects?

Answer 7

3 pairs of legs

3 distinct body regions

Question 8

What are the three distinct body regions of insects?

Answer 8

Head
Thorax with or without wings
Abdomen

Question 9

What are the characteristics of Arachnids?

Answer 9

4 pairs of legs
2 body regions
No antennae

Question 10

What are the two body regions of arachnids?

Answer 10

Cephalothorax

Abdomen

Question 11

What are the mouthparts of both insects and arachnids adapted for?

Answer 11

Their meal
Bloodsucking
Chewing
Sponging

Question 12

What are the developmental stages of most insects?

Answer 12

Egg
Larval stages
Pupa

Question 13

Which insect stage is the metamorphosis stage to adult?

Answer 13

The pupa stage

Question 14

Which insect stage is the hardest to get rid of?

Answer 14

The pupa stage

Question 15

What are the developmental stages of other insects?

Answer 15

Egg to immature adult or nymphs that resemble the adult form

Question 16

What are the developmental stages of arachnids?

Answer 16

Egg
Larva
Nymph
Adult

Question 17

How many orders are included in the class Insecta?

Answer 17

30

Question 18

Class: Insecta
Order: Siphonoptera

Answer 18

Fleas

Question 19

Class: Insecta
Order: Mallophaga

Answer 19

Biting lice

Question 20

Class: Insecta
Order: Anoplura

Answer 20

Sucking lice

Question 21

Class: Insecta
Order: Diptera

Answer 21

Flies and mosquitos

Question 22

Class: Arachnida
Order: Acarina

Answer 22

Sarcoptiform mites

Scabies and ear mites

Question 23

Class: Arachnida
Order: Trombidiformes

Answer 23

Non-sarcoptiform mites

Demodex and fur mites

Question 24

Class: Arachnida
Order: Ixodida
Family: Ixodidae

Answer 24

Hard ticks

Question 25

Class: Arachnida Order: Ixodida Family: Argasidae

Answer 25

Soft ticks

Question 26

What are the diagnostics for Ectoparasites?

Answer 26

May be seen grossly Skin scrape Cellophane tape method Eat mite check

Question 27

What ectoparasites may be seen grossly?

Answer 27

The presence of fleas and ticks

Question 28

What are the two types of skin scrapes?

Answer 28

Deep | Superficial

Question 29

What are you looking for when doing skin scraping?

Answer 29

Mites

Question 30

What kind of mites do you see on a deep skin scraping?

Answer 30

Demodex

Question 31

What kind of mites do you see on superficial skin scraping?

Answer 31

Scabies

Question 32

What ectoparasites do you look for when doing a cellophane tape method?

Answer 32

Fur mites and lice