Mosquitoes, ticks, flies, and fleas

Question 1

Anopheles species

Answer 1

1. Dog heartworm - dirofilaria immitis
2. Malaria - plasmodium
3. lymphatic filariasis - brugia malayi and wuchereria bancrofti

Question 2

Aedes species, most commonly A aegypti and A albopictus

Answer 2

Arboviral disease - dengue, yellow fever, chikungunya

Question 3

culex species

Answer 3

Arboviral disease -

1. WNV
2. SLE
3. Japanese encephalitis

Lymphatic filariasis -

1. wuchereria bancrofti
2. brugia malayi

Question 4

Lymphatic filariasis vector

Answer 4

Anopheles and Culex mosquitoes

Midge (mansonella) - not sure if lymphatic actually

Question 5

Dengue virus, yellow fever virus, and Chikungunya vector

Answer 5

Aedes aegypti and aedes albopictus

Question 6

Ixodes species

• most common species according to geographic distribution
• diseases and their organisms

Answer 6

Most common:

Eastern US: I scapularis

Western US: I pacificus

Europe: I ricinus

1. Lyme disease - borrelia burgdorferi
2. babesiosis - babesia
3. anaplasmosis - anaplasma phagocytophilum
4. tickborne encephalitis - tickborne encephalitis virus

Question 7

Lone star tick

Answer 7

Amblyomma americanum

Ehrlichiosis - Ehrlichia

Tularemia - francisella tularensis

southern tick associated illness (STARI) - unknown organism

Question 8

Ornithodoros species

Answer 8

(Soft ticks)

relapsing fever - borrelia

(also get relapsing fever with body louse and B. recurrentis)

Question 9

Dermacator species

Answer 9

Most common ticks:

Southern and western US: D andersoni

Southern and eastern US: D variabilis

1. Rocky mountain spotted fever - rickettsia rickettsii
2. tularemia - francisella tularensis
3. colorado tick fever - colorado tick fever virus

Question 10

Deer fly

Answer 10

Chrysops species:

1. tularemia - “deerfly fever” - francisella tularensis (also caused by Lone star tick and Dermacatur tick)
2. loiasis - loa loa

Question 11

dung fly (vector, disease, organism)

Answer 11

musca sorbens

Trachoma - chlamydia trachomatis

Question 12

Sandfly (vector, disease, organism)

Answer 12

Phelobotomus and lutzomyia

1. Leishmaniasis - Leishmania species
2. Bartonellosis; carrion disease - bartonella bacilliformis
3. arboviral disease - vesicular stomatitis virus, toscana and sicilian virus

Question 13

Black fly (vector, disease, organism)

Answer 13

Simulium

onchocerciasis (river blindness) - onchocerca volvulus

Question 14

Tsetse fly (vector, disease, organism)

Answer 14

Glossina

African trypanosomiasis - trypanosoma brucei

Question 15

Rat flea

Answer 15

1. Plague - yersinia pestis
2. Murine typhus - rickettsia typhus

Question 16

Dog and cat fleas

Answer 16

Double pored dog tapeworm - dipylidium caninum

Question 17

body lice

Answer 17

Pediculus humanus

1. epidemic typhus - rickettsia prowazeckii
2. liceborne relapsing fever - borrelia recurrentis
3. trench fever - bartonella quintana

Question 18

Mite (lyponyssoides sanguineus)

Answer 18

Rickettsial pox - rickettsia akari

Question 19

chigger

Answer 19

(trombiculid mite)

scrub typhus - orientia tsutsugamushi

Question 20

midge (culicoides)

Answer 20

filariasis - mansonella species

Question 21

reduviid bug (triatominae)

Answer 21

American trypanosomiasis; Chagas disease - trypanosoma cruzi

Question 22

Typhus

• vectors
• organisms

Answer 22

Rat flea - murine typhus (Rickettsia typhus)

Chigger mite - scrub typhus (orientia tsutsugamushi)

Louse - epidemic typhus (Rickettsia prowazekii)

Question 23

Answer 23

Ixodes tick has anterior anal groove