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DTMH - Parasitology & Entomology Slides > Flies/Sandflies/Mites/Lice/Midges/Chigger > Flashcards

Flies/Sandflies/Mites/Lice/Midges/Chigger Flashcards

1
Q
  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name one disease that this arthropod is the vector for
A
  1. Glossina sp (Tsetse fly)
  2. Features:
    * Long proboscis
    * Wings that rest directly on top of each other and cover the entire abdomen
    * Widely spaced eyes
  3. African Trypanosomiasis (Trypanosoma brucei)
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2
Q
  1. Name this arthropod to the species level
  2. What’s the lifecycle stage?
  3. State two features that support your diagnosis
  4. Name one disease that this arthropod is the vector for
A
  1. Tunga penetrans
  2. Adult
  3. Features:
    * Angular head
    * Narrow thoracic segments at the top
    * No comb or spines
  4. Tungiasis (not the vector but cause of)
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3
Q
  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name one disease that this arthropod is the vector for
A
  1. Chrysops sp.
  2. Features:
    * Open scissor formation of wings in the resting position
    * Dark band across the width of the wings
    * Yellow and black colouration of the abdomen (some with longitudinal black stripes)
  3. Loiasis (Loa loa)
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4
Q
  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name one disease that this arthropod is the vector for
A
  1. Chrysops sp.
  2. Features:
    * Open scissor formation of wings in the resting position
    * Dark band across the width of the wings
    * Yellow and black colouration of the abdomen (some with longitudinal black stripes)
  3. Loiasis (Loa loa)
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5
Q
A
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6
Q
  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name one disease that this arthropod is the vector for
A
  1. Chrysops sp.
  2. Features:
    * Open scissor formation of wings in the resting position
    * Dark band across the width of the wings
    * Yellow and black colouration of the abdomen (some with longitudinal black stripes)
  3. Loiasis (Loa loa)
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7
Q
  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name one disease that this arthropod is the vector for
  4. What time of day does this vector typically bite humans?
A
  1. Triatoma sp
  2. Features:
    * Cone-shaped head
    * Pear-shaped body
    * Thin legs
    * Black/brown colouration
    * Characteristic cream to red/orange/yellow stripes along the edge of their body
  3. Chaga’s disease (Trypanosoma cruzi)
  4. Night time
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8
Q
  1. Name this arthropod to the genus level
  2. What’s the lifecycle stage?
  3. State two features that support your diagnosis
  4. Name one disease that this arthropod is the vector for
A
  1. Leptotrombidium (Larval mite)
  2. Larva
  3. Features
    * Hairy
    * 3 pairs of legs
    * Mouth parts
  4. Orientia tsutsugamushi (Scrub typhus)
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9
Q

This specimen was provided for identification in Peru

  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name one disease that this arthropod is the vector for
  4. What time of day does this vector typically bite humans?
A
  1. Lutzomyia sp. (subfamily Phlebotominiae
  2. Features
    * Hairy
    * Small body length up to 3 mm
    * Colour black to white
  3. Diseases
    * Leishmaniasis (Leishmania sp.)
    * Carrion’s disease (Bartonella bacilliformis)
  4. Night
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10
Q
  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name two diseases that this arthropod is the vector for
A
  1. Simulium
  2. Features
    * Black colouration
    * Hunched over
    * Broad wings
    * Small bodied
  3. Diseases
    * Onchocerciasis (Onchocerca volvulus)
    * Mansonellosis (Mansonella ozzardi)
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11
Q
A
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12
Q
  1. Name this arthropod to the species level
  2. State two features that support your diagnosis
  3. Name one symptom due to this arthropod
  4. Name one drug used to treat this arthropod
A
  1. Phthirus pubis
  2. Features:
    * Size range 1.5-2.0 mm long
    * 3 pairs of legs (6 total)
    * Second and third pairs of legs have. a modified claw for grasping hairs
    * Body nearly as wide as it is long
  3. Itch
  4. Permethrin, Pyrethrin with piperonyl butoxide
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13
Q
  1. Name this arthropod to the species level
  2. What’s the lifecycle stage?
  3. State two features that support your diagnosis
  4. Name one disease that this arthropod is the vector for
A
  1. Tunga penetrans
  2. Adult
  3. Features:
    * Angular head
    * Narrow thoracic segments at the top
    * No comb or spines
  4. Tungiasis (not the vector but cause of)
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14
Q
  1. Name this arthropod to the genus level
  2. What’s the lifecycle stage?
  3. State two features that support your diagnosis
  4. Name one disease that this arthropod is the vector for
A
  1. Ctenocephalides
  2. Adult
  3. Features:
    * Presence of genal and pronotal combs
    * Mesopleuron not divided by a sclerotized rod
  4. Diseases:
    * Dipylidium caninum
    * Hymenolepis nana
    * Rickettsia felis (Feline rickettsiae)
    * Bartonella henselae (Cat-scratch disease)
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15
Q
  1. Name this arthropod to the species level (size: 35mm)
  2. State two features that support your diagnosis
  3. Name one symptom due to this arthropod
  4. Name one drug used to treat this arthropod
A
  1. Peduculus humanus (humanus or corporis)
  2. Features
    * Size: within the size range (3-4 mm) for P. humanus adults
    * 3 pairs of legs adapted to clinging to hair
  3. Itch
  4. Treatment:
    * Permethrin, pyrethrin creams
    * Combing/physical removal
    * Hot air drying
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16
Q
  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name one disease that this arthropod is the vector for
A
  1. Culicoides
  2. Features:
    * Gray colouration
    * Characteristic wing pattern
    * Small 1-3mm in length
  3. Mansonellosis
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17
Q
  1. Name this arthropod to the species level
  2. State two features that support your diagnosis
  3. Name one symptom due to this arthropod
  4. Name one drug used to treat this arthropod
A
  1. Phthirus pubis
  2. Features:
    * Size range 1.5-2.0 mm long
    * 3 pairs of legs (6 total)
    * Second and third pairs of legs have. a modified claw for grasping hairs
    * Body nearly as wide as it is long
  3. Itch
  4. Permethrin, Pyrethrin with piperonyl butoxide
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18
Q

This specimen was provided for identification in India

  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name one disease that this arthropod is the vector for
  4. What time of day does this vector typically bite humans?
A
  1. Phlebotomus sp. (subfamily Phlebotominiae
  2. Features
    * Hairy
    * Small body length up to 3 mm
    * Colour black to white
  3. Leishmaniasis (Leishmania sp.)
  4. Night
19
Q
  1. Name this arthropod to the species level (size: 37mm)
  2. State two features that support your diagnosis
  3. Name one symptom due to this arthropod
  4. Name one drug used to treat this arthropod
A
  1. Peduculus humanus (humanus or corporis)
  2. Features
    * Size: within the size range (3-4 mm) for P. humanus adults
    * 3 pairs of legs adapted to clinging to hair
  3. Itch
  4. Treatment:
    * Permethrin, pyrethrin creams
    * Combing/physical removal
    * Hot air drying
20
Q
  1. Name this arthropod to the genus level
  2. What’s the lifecycle stage?
  3. State two features that support your diagnosis
  4. Name one disease that this arthropod is the intermediate host for
A
  1. Tribolium (Flour beetle)
  2. Adult
  3. Features
    * Red colouration
    * 3 pairs of legs and antennae
  4. Hymenolepis spp

N.b. required for H. diminuta lifecycle but not required for H. nana (though can act as intermediate host)

21
Q
  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name one disease that this arthropod is the vector for
A
  1. Glossina sp (Tsetse fly)
  2. Features:
    * Long proboscis
    * Wings that rest directly on top of each other and cover the entire abdomen
    * Widely spaced eyes
  3. African Trypanosomiasis (Trypanosoma brucei)
22
Q
  1. Name this arthropod to the species level
  2. State two features that support your diagnosis
  3. Name one symptom due to this arthropod
  4. Name one drug used to treat this arthropod
A
  1. Phthirus pubis
  2. Features:
    * Size range 1.5-2.0 mm long
    * 3 pairs of legs (6 total)
    * Second and third pairs of legs have. a modified claw for grasping hairs
    * Body nearly as wide as it is long
  3. Itch
  4. Permethrin, Pyrethrin with piperonyl butoxide
23
Q

This specimen was provided for identification in Argentina

  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name one disease that this arthropod is the vector for
  4. What time of day does this vector typically bite humans?
A
  1. Lutzomyia sp. (subfamily Phlebotominiae
  2. Features
    * Hairy
    * Small body length up to 3 mm
    * Colour black to white
  3. Diseases
    * Leishmaniasis (Leishmania sp.)
    * Carrion’s disease (Bartonella bacilliformis)
  4. Night
24
Q
  1. Name this arthropod to the species level
  2. What’s the lifecycle stage?
  3. State two features that support your diagnosis
  4. Name one disease that this arthropod is the vector for
A
  1. Xenopsylla cheopis
  2. Adult
  3. Features:
    * Absence of genal and pronotal combs
    * Colored spermatheca (in females)
    * Ocular bristle near the top of the eye
    * Mesopleuron divided by a sclerotized rod
  4. Disease:
    * Yersinia pestis (vector)
    * Rickettsia typhi (vector)
    * Hymenolepis (intermediate host)
25
Q
  1. Name this arthropod to the genus level
  2. What’s the lifecycle stage?
  3. State two features that support your diagnosis
  4. Name one disease that this arthropod is the vector for
A
  1. Leptotrombidium (Larval mite)
  2. Larva
  3. Features
    * Hairy
    * 3 pairs of legs
    * Mouth parts
  4. Orientia tsutsugamushi (Scrub typhus)
26
Q
  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name one disease that this arthropod is the vector for
A
  1. Culicoides
  2. Features:
    * Gray colouration
    * Characteristic wing pattern
    * Small 1-3mm in length
  3. Mansonellosis
27
Q
  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name two diseases that this arthropod is the vector for
A
  1. Simulium
  2. Features
    * Black colouration
    * Hunched over
    * Broad wings
    * Small bodied
  3. Diseases
    * Onchocerciasis (Onchocerca volvulus)
    * Mansonellosis (Mansonella ozzardi)
28
Q
  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name two diseases that this arthropod is the vector for
A
  1. Simulium
  2. Features
    * Black colouration
    * Hunched over
    * Broad wings
    * Small bodied
  3. Diseases
    * Onchocerciasis (Onchocerca volvulus)
    * Mansonellosis (Mansonella ozzardi)
29
Q
  1. Name this arthropod to the genus level
  2. What’s the lifecycle stage?
  3. State two features that support your diagnosis
  4. Name one disease that this arthropod is the intermediate host for
A
  1. Tribolium (Flour beetle)
  2. Adult
  3. Features
    * Red colouration
    * 3 pairs of legs and antennae
  4. Hymenolepis spp

N.b. required for H. diminuta lifecycle but not required for H. nana (though can act as intermediate host)

30
Q
  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name one disease that this arthropod is the vector for
A
  1. Culicoides
  2. Features:
    * Gray colouration
    * Characteristic wing pattern
    * Small 1-3mm in length
  3. Mansonellosis
31
Q
  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name one disease that this arthropod is the vector for
  4. What time of day does this vector typically bite humans?
A
  1. Triatoma sp
  2. Features:
    * Cone-shaped head
    * Pear-shaped body
    * Thin legs
    * Black/brown colouration
    * Characteristic cream to red/orange/yellow stripes along the edge of their body
  3. Chaga’s disease (Trypanosoma cruzi)
  4. Night time
32
Q
  1. Name this arthropod to the species level
  2. What’s the lifecycle stage?
  3. State two features that support your diagnosis
  4. Name one disease that this arthropod is the vector for
A
  1. Xenopsylla cheopis
  2. Adult
  3. Features:
    * Absence of genal and pronotal combs
    * Colored spermatheca (in females)
    * Ocular bristle near the top of the eye
    * Mesopleuron divided by a sclerotized rod
  4. Disease:
    * Yersinia pestis (vector)
    * Rickettsia typhi (vector)
    * Hymenolepis (intermediate host)
33
Q
  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name two diseases that this arthropod is the vector for
A
  1. Simulium
  2. Features
    * Black colouration
    * Hunched over
    * Broad wings
    * Small bodied
  3. Diseases
    * Onchocerciasis (Onchocerca volvulus)
    * Mansonellosis (Mansonella ozzardi)
34
Q
  1. Name this arthropod to the species level
  2. What is the lifecycle stage
  3. State two features that support your diagnosis
  4. Name one symptom due to this arthropod
  5. Name one drug used to treat this arthropod
A
  1. Peduculus humanus capitis
  2. Nit/egg
  3. Features
    * Characteristic egg attached to hair shaft
  4. Itch
  5. Treatment:
    * Permethrin, pyrethrin creams
    * Combing/physical removal
    * Hot air drying

N.b. P. h. capitis nits have a flattened operculum. Nits of P. pubis have a raised or conical operculum

35
Q
  1. Name this arthropod to the genus level
  2. What’s the lifecycle stage?
  3. State two features that support your diagnosis
  4. Name one disease that this arthropod is the vector for
A
  1. Ctenocephalides
  2. Adult
  3. Features:
    * Presence of genal and pronotal combs
    * Mesopleuron not divided by a sclerotized rod
  4. Diseases:
    * Dipylidium caninum
    * Hymenolepis nana
    * Rickettsia felis (Feline rickettsiae)
    * Bartonella henselae (Cat-scratch disease)
36
Q
  1. Name this arthropod
  2. What’s the lifecycle stage?
  3. State two features that support your diagnosis
  4. Name one disease that this arthropod is the vector for
A
  1. Pulex irritans
  2. Adult
  3. Features:
    * Lack of pronotal and genal combs
    * Ocular bristle inserted below the top of the eye
    * Mesopleuron not divided by a sclerotized rod
    * Rounded head
  4. Nuisance pest but can be an intermediate host for Dipylidium caninum, H. nana and H. diminuta
37
Q
  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name one disease that this arthropod is the vector for
  4. What time of day does this vector typically bite humans?
A
  1. Triatoma sp
  2. Features:
    * Cone-shaped head
    * Pear-shaped body
    * Thin legs
    * Black/brown colouration
    * Characteristic cream to red/orange/yellow stripes along the edge of their body
  3. Chaga’s disease (Trypanosoma cruzi)
  4. Night time
38
Q

This specimen was provided for identification in Sudan

  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name one disease that this arthropod is the vector for
  4. What time of day does this vector typically bite humans?
A
  1. Lutzomyia sp. (subfamily Phlebotominiae
  2. Features
    * Hairy
    * Small body length up to 3 mm
    * Colour black to white
  3. Leishmaniasis (Leishmania sp.)
  4. Night
39
Q
  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name one disease that this arthropod is the vector for
A
  1. Glossina sp (Tsetse fly)
  2. Features:
    * Long proboscis
    * Wings that rest directly on top of each other and cover the entire abdomen
    * Widely spaced eyes
  3. African Trypanosomiasis (Trypanosoma brucei)
40
Q
  1. Name this arthropod to the genus level
  2. What’s the lifecycle stage?
  3. State two features that support your diagnosis
  4. Name one disease that this arthropod is the intermediate host for
A
  1. Tribolium (e.g. confusum, castaneum AKA Flour beetle)
  2. Adult
  3. Features
    * Red colouration
    * 3 pairs of legs and antennae
  4. Hymenolepis spp

N.b. required for H. diminuta lifecycle but not required for H. nana (though can act as intermediate host)

41
Q
  1. Name this arthropod to the species level
  2. What is the lifecycle stage
  3. State two features that support your diagnosis
  4. Name one symptom due to this arthropod
  5. Name one drug used to treat this arthropod
A
  1. Pediculus humanus capitis
  2. Nit/egg
  3. Features
    * Characteristic egg attached to hair shaft with flattened operculum
  4. Itch
  5. Treatment:
    * Permethrin, pyrethrin creams
    * Combing/physical removal
    * Hot air drying

N.b. P. h. capitis nits have a flattened operculum. Nits of P. h. humanus are on clothes. Nits of P. pubis have a raised or conical operculum with more than one cell layer

42
Q
  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name one disease that this arthropod is the vector for
A
  1. Chrysops sp.
  2. Features:
    * Open scissor formation of wings in the resting position
    * Dark band across the width of the wings
    * Yellow and black colouration of the abdomen (some with longitudinal black stripes)
  3. Loiasis (Loa loa); Tularemia (Francisella tularensis)
43
Q

/

  1. Name this arthropod to the genus level
  2. State two features that support your identification
  3. Name one disease that this arthropod is the vector for
A
  1. Glossina sp (Tsetse fly)
  2. Features:
    * Long proboscis
    * Wings that rest directly on top of each other and cover the entire abdomen
    * Widely spaced eyes
  3. African Trypanosomiasis (Trypanosoma brucei)
44
Q
  1. Name this arthropod to the genus level
  2. What’s the lifecycle stage?
  3. State two features that support your diagnosis
  4. Name one disease that this arthropod is the vector for
A
  1. Leptotrombidium (Larval mite)
  2. Larva
  3. Features
    * Hairy
    * 3 pairs of legs
    * Mouth parts
  4. Orientia tsutsugamushi (Scrub typhus)

DTMH - Parasitology & Entomology Slides (20 decks)

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