Dermacentor Spp Flashcards
1
Q
common name of dermacentor variabilis
A
american dog tick
2
Q
host
A
dogs, humans, horses, cattle, wildlife, cats
3
Q
larvae and nymphs feed on ____
A
small rodents and other small mammels
4
Q
identification
A
pale brown
6mm unfed and 15mm fed
scutum is ornate with festoons!
basis capituli is rectangular
5
Q
are palps long or short?
A
short
6
Q
life cycle
A
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
Q
length of life cycle
A
months to years
8
Q
site of infection
A
skin around head and neck
9
Q
pathogenesis
A
Rocky Mountain Spotted Fever!
tularemia
transmits babesia to dogs and horses
causes paralysis
10
Q
diagnosis
A
identification of tick
11
Q
common name of dermacentor nitens
A
typical horse tick
