Dermacentor Spp Flashcards Preview

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Flashcards in Dermacentor Spp Deck (11):
1

common name of dermacentor variabilis

american dog tick

2

host

dogs, humans, horses, cattle, wildlife, cats

3

larvae and nymphs feed on ____

small rodents and other small mammels

4

identification

pale brown
6mm unfed and 15mm fed
scutum is ornate with festoons!
basis capituli is rectangular

5

are palps long or short?

short

6

life cycle

larvae attach to a host, feed, drop off, molt
nymph attach to host, feed, drop off, molt
adult attach to host, feed, drop off
female lays eggs and dies

7

length of life cycle

months to years

8

site of infection

skin around head and neck

9

pathogenesis

Rocky Mountain Spotted Fever!
tularemia
transmits babesia to dogs and horses
causes paralysis

10

diagnosis

identification of tick

11

common name of dermacentor nitens

typical horse tick