Lab 1-Dermacentor

Question 1

Subkingdom of Dermacentor

Answer 1

Eumatozoa

Question 2

Phylum of Dermacentor

Answer 2

Arthropoda

Question 3

Endo or ectoparasites?

Answer 3

Ectoparasites

Question 4

Does Dermacentor have different sexes?

Answer 4

yes

Question 5

How long are life cycles?

Answer 5

1 year

Question 6

3 stages of life cycle

Answer 6

larvae, nymph, adult

Question 7

How do larvae know when a host is nearby?

Answer 7

Can sense CO2

Question 8

How many legs does a larvae have?

Answer 8

6

Question 9

How many legs does a nymph have?

Answer 9

8

Question 10

What is missing from a nymph that is present in adults?

Answer 10

reproductive organ

Question 11

Haller’s Organ

Answer 11

olfactory structure that helps larvae sense hosts

Question 12

Scutum

Answer 12

dorsal plate covering the entire dorsal surface of some adult male ticks, and the anterior dorsal surface of nymphs and females.

Question 13

When do ticks ingest blood?

Answer 13

Before entering the next life stage

Question 14

Why is the female scutum reduced?

Answer 14

To allow for ingestion of large blood meal in preparation for egg production

Question 15

What area of body is only present in females?

Answer 15

Porose area

Question 16

What body part helps distinguish between species of Dermacentor?

Answer 16

Spiracular plate

Question 17

What is a hypostome?

Answer 17

• mouthpart with recurved teeth

- found at anterior end of body