Ixodes spp Flashcards Preview

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Flashcards in Ixodes spp Deck (18):
1

class

arachnida

2

order

acari

3

common name

black legged tick or deer tick

4

host

all mammals, birds and humans

5

identification

dark brown
scutum is inornate
no eyes or festoons

6

size of adult

4mm

7

are palps long or short?

long

8

anal groove forms an arch ____ to the anus

anterior

9

ventral surface of ____ is covered in plates

male

10

how many hosts does this tick need?

3

11

life cycle

eggs hatch to larvae
larvae attach to host, feed, drop off and molt
nymph attach to host, feed, drop off, and molt
adult attaches to host, feed, drop off
females lay eggs then die

12

in this life cycle the host may be

same animal
different animal in same species
or animal in different species

13

___ stages are found on ___ types of hosts

all, all

14

how long is life cycle?

2-4 years

15

site of infection

skin. Especially inguinal region, face, axilla and ears

16

pathogenesis

paralysis
transmits diseases- LYME DISEASE
local skin reactions
tick worry
ehrlichia

17

what animal maintains the population of this tick?

deer

18

diagnosis

engorged females seen easily