(Ticks and Mites) by V.M. Venturina Flashcards
Name the general tick biology.
- Live in all habitats
- Feed on any kind of host
- Year-round in tropics; seasonal in temperate
- obligate temporary parasites
Enumerate at least 3 bacteria causing disease present in saliva of ticks that are transmitted within 8-24 hours after attachment
Ehrlichia
Anaplasma
Rickettsia
A bacteria transmitted by ticks which may need to undergo multiplication and antigenic variation to become infective and transmitted between 37-48 hours
Borrelia spp.
Sporozoites of Babesia are usually transmitted how many hours after the ticks attach to the host?
48-96 hrs
How many minutes will it take for ticks to successfully inoculate viruses?
15 mins
How many pair of legs does tick larva have?
3 pairs
How many pairs of legs does adult ticks have?
4 pairs of legs
Family known as the soft ticks
Argasidae
Give the scientific name of fowl/poultry tick
Argas persicus
Give at least 2 diseases transmitted by fowl ticks of with their respective causative agents
Spirochetosis - Borrelia anserina
Avian piroplasmosis - Aegyptianella pullorum
Give the scientific name for spinose ear tick.
Otobius megnini
Which stage of spinose ear tick are parasitic and how many months can it remain in the ears?
Nymphs and larvae (2-3 months)
Which stage of Ornithodoros moubata is parasitic?
Nymph and adult
Give the scientific name for relapsing fever tick
Ornithodoros sp.
These species are large and body of unfed tick is flattened dorsoventrally
Ixodidae
Give at least 3 general morphology of hard ticks
- Body divided into gnathosoma and idiosoma
- No antennae and eyes
- Distinct sexual dimorphism
It refers to the row of posterior uniform rectangular regions or notch
Festoons
Present in coxa of hard ticks which may be important for identification.
Spurs
A unique, complex sensory organ used for host location of ticks found in the first tarsus of front legs
haller’s organ
These ticks are known to have colored patterns, enamel-like areas on the body
Ornate ticks
These ticks are identified by their uncolored body patterns
Inornate ticks
Give at least 3 inornate ticks
Boophilus
Rhipicephalus
Hyalomma
Give at least 3 ornate ticks
Haemaphysalis
Amblyomma
Dermacentor
For tick anatomy, this refers to the respiratory openings in adults and nymph.
Stigmata