Arthropods

VMP 920Infection & Immunity II

Veterinary Parasitology

Arthropods Largest, Most Diverse Animal Phylum Jointed appendages Chitinous Exoskeleton Important Parasitic Groups

Arachnids cephalothorax + abdomen + 8 legs Simple Metamorphosis (Hemimetabolous)

Egg, nymph, adult

Insects Head, thorax, abdomen + 6 legs Simple Metamorphosis (Hemimetabolous) OR

Egg, nymph, adult Complex Metamorphosis (Holometabolous)

Egg, larvae, pupae, adult

Arachnids: Mites

Arachnids: TickIxodes

scapularis

Rhipicephalussanguineus

Dermacentorvariabilis

Amblyommaamericanum

Insects: Lice

Mallophagan (chewing) Louse Anopluran (sucking) Louse

Insects: Fleas

Insects: True Bugs

Insects: Flies

Insects: Flies