1. Arthropods VMP 920 Infection & Immunity II Veterinary Parasitology

3. 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

4. Arachnids: Mites

5. Arachnids: Tick Ixodes scapularis Rhipicephalus sanguineus Dermacentor variabilis Amblyomma americanum

6. Insects: Lice Mallophagan (chewing) Louse Anopluran (sucking) Louse

7. Insects: Fleas

8. Insects: True Bugs

9. Insects: Flies