Mouth parts are covered by a false head (capitulum)
This order includes ticks and mites
This class includes spiders and scorpions
Non reproductive adults AKA
Sub order of ticks
2 families of ticks
Family Ixodidae (hard ticks) (have scutum)
Family Argasidae (soft ticks) (no scutum)
Ixodid tick characteristics
Shield/scutum covers entire dorsal surface
Capitulum (head) projects anteriorly
How many times does a Ixodid tick molt?
Which 2 ticks can transmit transtadial?
Two host tick
Three host tick
Ixodid one host tick
Completes both molts without leaving the host
EX: Boophilus annulates
Ixodid two host tick
Seed tick larvae will molt to nymph, nymph drops off the 1st host, molts to adult, then adult locates the 2nd host
Ixodid three host tick
Larvae drops off host to molt to nymph, nymph finds 2nd host, nymph drops off 2nd host to molt to adult, adult locates a 3rd host
Ixodid one host tick transmits how?
Infection is acquired by a larval tick and carried through the molt to the nymph stage and then conveyed to the host, or infection acquired by a nymph who is carried through the molt to adult and conveyed to the host