Parasitology Arthropods Flashcards
Which of the following are the stages of Complete Metamorphosis?:
-Egg/Nit
-Larva
-Nymph
-Pupa
-Imago
-Egg/Nit
-Larva
-Pupa
-Imago
Which of the following are the stages of Incomplete Metamorphosis?:
-Egg/Nit
-Larva
-Pupa
-Nymph
-Imago
-Egg
-Nymph
-Imago
Mechanical vs Biological Vectors:
-Passive transfer of parasites
Mechanical vectors
Mechanical vs Biological Vectors:
-Active transfer of parasites
Biological vectors
Mechanical vs Biological Vectors:
-NOT required for development of parasite
Mechanical vectors
Mechanical vs Biological Vectors:
-Required for development of parasite
Biological vectors
Insecta Physiology:
How many segments in the body?
3 - Head, Thorax, and Abdomen
TRUE or FALSE:
Insecta Physiology:
Insecta have antennae
TRUE
Insecta Physiology:
How many PAIRS of legs do insects have?
3 PAIRS (6 total legs)
TRUE or FALSE
Insecta Physiology:
Insecta usually have wings
TRUE
Which insect is responsible for killing more people that all the wars put together?
Mosquito
What are mosquitos responsible for transmitting?
-Malaria
-microfilariae Wuchereria bancrofti
-viruses like West Nile, dengue, and yellow fever
What fly causes African Sleeping Sickness?
Tsetse flies
What are flies responsible for transmitting?
-African Sleeping Sickness
-Leishmania
-Entamoeba histolytica
Scientific name for head lice
Pediculus humanus capitis
Scientific name for body lice
Pediculus humanus corporis
What type of life cycle do Pediculus humanus capitis and corporis go through?
Incomplete metamorphosis
How are head and body lice transmitted?
Person to person
What can body lice spread?
-epidemic typhus
-trench fever
-louse-borne relapsing fever
Scientific name for pubic lice
Phthirus pubis
What are the common names for Phthirus pubis?
-Pubic lice
-Crabs
What life cycle does Phthirus pubis go through?
Incomplete metamorphosis
How is pubic lice transmitted?
Person to person
Where would you find Phthirus pubis?
-Pubic hair shaft
-eyelashes
TRUE or FALSE:
Humans are the only known host for Phthirus pubis
TRUE
Scientific name for human fleas
Pulex irritans
What can human fleas transmit?
-Murine Typhus
-Bubonic Plague
Scientific name for bed bugs
Cimex lectularius
How are bed bugs attracted to their hosts?
-Primarily by carbon dioxide
-secondarily warmth
-certain chemicals
Bed bugs are obligatory ____________
hematophagous
Number of body fragments arachnida have
2 - thorax and abdomen
Total number of legs arachnida have
8
Scientific name for hard ticks
Dermacentor
What diseases do ticks transmit? (4)
-Rocky Mountain Spotted Fever
-Tularemia
-Babesia
-Lyme disease
What can the toxin from tick saliva cause?
Paralysis
Scientific name for human scabies
Sarcoptes scabiei
How is Sarcoptes scabiei transmitted?
Person to person
Scientific name for Brown recluse spider
Loxosceles reclusa
How do you identify the Loxosceles reclusa?
Fiddle mark on the top of their thorax
Symptoms of being bit by a Loxosceles reclusa
-Necrotizing skin lesions
-Hemolytic anemia
-Jaundice
-Death
Scientific name for the Black Widow spider
Latrodectus mactans
Ways to identify the Latrodectus mactans
-Red hourglass on back or under abdomen
-Red dots or triangle on top of the abdomen
The neurotoxin of which arachnida typically causes muscle pain, cramps, nausea, and sweating?
Latrodectus mactans
Common name for Latrodectus mactans
Black Widow Spider
Common name for Loxosceles reclusa
Brown recluse spider
Common name for Sarcoptes scabiei
Human scabies
Common name for Dermacentor
Hard tick
Common name for Cimex lectularius
Bed bugs
Common name for Pulex irritans
Human fleas
Common name for Phthirus humanus capitis
Head lice
Common name for Phthirus humanus corporis
Body lice
