Veterinary Entomology and Protozoology - Order Ixodida (Ticks)

A collection of vocabulary flashcards covering key concepts related to the ixodid ticks as discussed in lectures on veterinary entomology.

Ixodida

An order of arachnids that includes ticks, which are obligate ectoparasites.

Obligate Ectoparasites

Organisms that must live on the exterior of a host to survive and reproduce.

Haller's Organ

A sensory apparatus on the foreleg tarsi of ticks that senses carbon dioxide, chemical stimuli, temperature, and humidity.

Festoons

Marginal structures on the dorsal side of some ticks, particularly hard ticks (Ixodidae).

Nymph

An intermediate life stage of ticks, between larva and adult.

Soft Ticks

Ticks belonging to the family Argasidae, characterized by a leathery appearance and lack of a scutum.

Hard Ticks

Ticks of the family Ixodidae, known for their scutum and visible mouthparts.

Lyme Disease

An infectious disease transmitted by ticks, particularly by Ixodes species.

Multi-Host Developmental Cycle

A life cycle in which a tick species utilizes multiple hosts throughout its developmental stages.