Ectoparasites Overview Flashcards
What is it called when a pet has ectoparasites?
Infestation
What are the parasites that are superficial on the skin?
Fleas
Ticks
Mites
Lice
True bugs
Flies
Leeches
Which parasites are the burrowing parasites?
Mites
Tongue worms
Which parasites are arthropoda?
Fleas
Ticks
Lice
True bugs
Mites
Flies
Which parasites are annelida?
Leeches
Which parasites are pentastomida?
Tongue worms
What can ectoparasites cause on the pet?
Inflammation
Perforations
Necrosis
What is a major concern when it comes to ectoparasites?
They are an intermediate host for an endoparasite
Ex) fleas carrying Dipylidium
What does “arthropod” mean?
“jointed foot”
What is the digestive system like in arthropods?
Ventral mouth parts
Terminal anus
What is the reproductive system like in arthropods?
Dioecious
Oviparous
What are the three parasitic subphyla of arthropods?
Mandibulata
Chelicerata
Pentastomaida
Which arthropod subphyla is an insect?
Mandibulata
What is the general morphology of mandibulata?
Insecta
Head, thorax (with 6 legs), and abdomen
What are the two types of development for mandibulata?
Simple: egg hatches and looks like tiny adult
Complex: has larval stage
Which subphyla of arthropods are arachnids?
Chelicerata
What is the order of arachnids that consist of ticks and mites?
Aracines
What are the body parts of chelicerata?
Capitulum: head
Idiosoma: abdomen
What is unique about the legs of arachnid ectoparasites?
Larva have 6 legs and adults have 8 legs
What are the developmental stages of chelicerata?
Egg
Larva
Nymph
Adult
What is the morphology of pentastomida?
Pleomorphic during development
Larva: mite like
Adult & nymph: annelida like
Which ectoparasite is pleomorphic during development?
Pentastomaida
What does the body of pentastomaida look like?
“5 mouths”
1 mouth with 4 hooked classes to hang onto things
What is the general lifecycle of pentastomaida?
Definitive host: reptiles
Intermiediate host: variable, humans possible
