Arthropod Disease

OBJECTIVES 1. Understand the role of arthropods in human disease 2. Recognize arthropods implicated in important human diseases 3. Describe important vector-borne diseases

Types of negative interactions with arthropods Envenomation Envenomation Myiasis Myiasis Bites and Piercing Bites and Piercing Urtication Urtication Allergic reactions Allergic reactions Delusory Parasitosis and Entomophobia Delusory Parasitosis and Entomophobia

arachnida Arachnids Arachnids Spiders Spiders Banana spiders Banana spiders Black widow spiders and their relatives Black widow spiders and their relatives Tarantulas Tarantulas

Scorpions Scorpions Dangerous scorpions Dangerous scorpions Effects of scorpion venom Effects of scorpion venom Treatment of envenomation by scorpions Treatment of envenomation by scorpions

Mites Mites Chiggers or harvest mites Chiggers or harvest mites Scabies mites Scabies mites Other medically important mites that bite people Other medically important mites that bite people Dust mites Dust mites Flour and grain mites Flour and grain mites

Ticks Ticks Soft Soft hard hard

Insects Human lice Human lice Pubic louse Pubic louse Human lice Human lice Head louse Head louse Body louse Body louse

Cockroaches Cockroaches True bugs True bugs Assassin and kissing bugs Assassin and kissing bugs Bed bugs Bed bugs

Ants, wasps, and bees Ants, wasps, and bees Honey bees Honey bees Bumble and carpenter bees Bumble and carpenter bees Other bees Other bees Wasps and hornets Wasps and hornets ants ants

Beetles Beetles Blister beetles Blister beetles Rover beetles Rover beetles Dermestids Dermestids

Flies Flies that cause myiasis Flies that cause myiasis Human bot fly Human bot fly Tumbu and Lund’s fly Tumbu and Lund’s fly Congo floor maggot Congo floor maggot Sheep bot fly Sheep bot fly Sheep maggot Sheep maggot

Old World screw worm Old World screw worm New World screw worm New World screw worm Wohlfahrtia magnifica Wohlfahrtia magnifica Other flies that cause myiasis Other flies that cause myiasis Treatment of myiasi Treatment of myiasi

Biting flies Mosquitoes Mosquitoes Biting midges Biting midges Sand flies Sand flies Black flies Black flies Tsetse flies Tsetse flies Stable and dog flies Stable and dog flies Horse and deer flies Horse and deer flies Filth flies Filth flies

Fleas Human flea Human flea Oriental rat flea Oriental rat flea Northern rat flea Northern rat flea Western hen flea Western hen flea Tunga flea or chigoe Tunga flea or chigoe

Other Arthropods Centipedes Centipedes Millipedes Millipedes

Other Invertebrates Porifera Porifera Coelenterates Coelenterates Jellyfish Jellyfish Sea stars and brittle stars Sea stars and brittle stars Leeches Leeches Squids, octopuses and cuttlefishes Squids, octopuses and cuttlefishes

Agents Transmitted By Vectors Viruses Viruses Rickettsia Rickettsia Bacteria Bacteria Protozoa Protozoa helminths helminths

Virusus Yellow Fever Yellow Fever Dengue Fever Dengue Fever Rift Valley Fever Rift Valley Fever Encephilidides: Encephilidides: Japanese Encephalitis Japanese Encephalitis Dengue Fever Dengue Fever halitis halitis

West Nile Encephalitis West Nile Encephalitis Eastern Equine Encephalitis Eastern Equine Encephalitis Western Equine Encephalitis Western Equine Encephalitis La Crosse Encephalitis La Crosse Encephalitis St. Louis Encep St. Louis Encep

bacteria Rickettsia akari Rickettsia akari Rickettsia mooseri Rickettsia mooseri Rickettsia prowazokii Rickettsia prowazokii Rickettsia rickettsia Rickettsia rickettsia Rickettsia typhi Rickettsia typhi

bacteria Rickettsia tsutsugamuchi Rickettsia tsutsugamuchi Ehrlichia sp Ehrlichia sp Yersinia pestis Yersinia pestis Borrelia burgdorferi Borrelia burgdorferi Borrelia recurrentis Borrelia recurrentis

Protozoa Babesia microti Babesia microti Babesia divergens Babesia divergens Plasmodium falciparum Plasmodium falciparum Plasmodium malariae Plasmodium malariae Plasmodium ovale Plasmodium ovale Plasmodium vivax Plasmodium vivax Leishmania braziliensis Leishmania braziliensis

Protozoa Leishmania chagasi Leishmania chagasi Leishmania donovani Leishmania donovani Leishmania infantum Leishmania infantum Leishmania major Leishmania major Leishmania mexicana (many subspecies) Leishmania mexicana (many subspecies)

Protozoa Leishmania tropica Leishmania tropica Trypanosoma cruzi Trypanosoma cruzi Trypanosoma brucei gambiense Trypanosoma brucei gambiense Trypanosoma brucei rhodesiense Trypanosoma brucei rhodesiense

Helmeanths Wuchereria bancrofti Wuchereria bancrofti Brugia malayi Brugia malayi Mansonella ozzardi Mansonella ozzardi Mansonella perstans Mansonella perstans Mansonella streptocerca Mansonella streptocerca Onchocerca volvulus Onchocerca volvulus Loa loa Loa loa