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Entomology > Myiasis Flies > Flashcards

Myiasis Flies Flashcards

1
Q

Screworms

A

Chrysoma

Cochliomyia

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2
Q

Blowflies

A

Lucilia

Calliphora

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3
Q

Non-metallic Flies

A

Cordylobia (Tumbu fly)

Auchmeromyia

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4
Q

Fleshflies

A

Sarcophaga

Wohlfahrtia

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5
Q

Chrysoma

A 
Old World screwfly, various species
Colour varies from bright metallic green to blue
Thorax lacks prominent bristles
No thoracic stripes
Hairs on lower calypter
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6
Q

Cochliomyia

A

New World screwfly
Bluish metallic body
Three dark thoracic stripes
No lower calypter hairs

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7
Q

Lucilia

A

Greenbottle fly
Bright metallic green/blue colour
Prominent thoracic bristles
Lower calypter lacks hairs

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8
Q

Calliphora

A

Bluebottle fly
Dark blue metallic colour
Prominent thoracic bristles
Hairs on lower calypter

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9
Q

Cordylobia anthropophaga/Tumbu fly

A

Non-metallic, reddish brown or yellow in colour

Abdominal segments two and three are similar size

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10
Q

Auchmeromyia senegalensis

A

Congo floor-maggot-fly
Non-metallic, reddish-brown or yellow in colour
Abdominal segment two is twice as long as segment three

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11
Q

Sarcophaga

A

Grey/black fly with red eyes
Chequerboard pattern abdomen
Dull grey body with three black longitudinal stripes

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12
Q

Wohlfahrtia

A

Grey/black fly with red eyes
Black spot pattern on abdomen
Dull grey body with three black longitudinal stripes

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13
Q

Oestrus ovis

A

Sheep nasal bot fly
Broad head with vestigal mouthparts
Distinct ocellar triangle
Head/body covered in small black raised spots

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14
Q

Dermatobia hominis

A

Human bot fly
Dark bluish grey thorax, dark metallic blue abdomen
Large with broad head, vestigal mouthparts and distinct ocellar triangle

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15
Q

Musca domestica

A

Housefly
Colour is non-metallic, light to dark grey
Four broad stripes along the thorax

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16
Q

Chrysoma bezziana - Larvae

A

Classic maggot shape
Narrow anterior end and widens toward terminal segments
Bands of spines circling the abdominal segments
Pigmentation of the secondary tracheal trunks

17
Q

Chrysoma/Cochliomyia - Posterior spiracle

A

Open peritreme, no button and three straight slits.

18
Q

Cochliomyia homivorax - Larva

A

Similar to Chrysomya
Bands of spines circling the abdominal segments
Pigmentation of the primary tracheal trunks
Secondary tracheal trunks clear

19
Q

Lucilia sericata - Larvae

A

Classic maggot shape
Cuticle bears small spicules/spines
Less pronounced than screw-worm larvae
No accessory oral sclerite between mouth hooks

20
Q

Lucilia/Calliphora - Posterior spiracle

A

Complete peritreme, button and three straight slits

21
Q

Calliphora vicina - Larvae

A

Classic maggot shape
Very similar to Lucilia
Cuticle bears small spicules/spines that are less pronounced than those of screw-worm larvae
Presence of accessory oral sclerite between the mouth-hooks.

22
Q

Cordylobia anthropophaga - Larvae

A

Larva has an overall grub-like appearance - rounded.

Body covered with numerous conspicuous spines.

23
Q

Cordylobia - Posterior spiracles

A

Posterior spiracle with indistinct peritreme and indistinct button
Three arculate spiracular slits

24
Q

Cordylobia rodhaini/Lund’s Fly - Larvae

A

Overall grub-like appearance - rounded.
Larger than C. anthropophaga.
Body covered with numerous conspicuous spines.

25
Q

Cordylobia rodhaini/Lund’s Fly - Posterior Spiracles

A

Posterior spiracle with indistinct peritreme and indistinct button.
Three sinuous spiracular slits

26
Q

Comparing Cordylobia and Auchmeromyia

A

Cordylobia has a second abdominal segment of similar size to the third segment
Auchmeromyia - second segment twice as long as the third

27
Q

Auchmeromyia senegalensis - Posterior spiracles

A

Widely spaced
Spiracular slits are straight and arranged horizontally
Peritreme is complete and has a unique shape
Button is indistinct

28
Q

Sarcophagidae - Larvae

A

Classic maggot shape
Bands of spines circle the abdominal segments
Posterior spiracles are located in a pit on the terminal segment of the abdomen

29
Q

Sarcophagidae - Posterior spiracle

A

Peritreme is incomplete
Button is indistinct
Slits are straight and vertical

30
Q

Dermatobia hominis - Larva

A

Pear-shaped third instar had prominent mouth-hooks and large spines over anterior part
Posterior spiracles surrounded by circle of spines
Periteme indistinct and no button
Spiracular slits are straight and vertical

31
Q

Musca domestica - Larva

A

Classic maggiot shape

Smooth/without spines

32
Q

Musca domestica - Posterior spiracles

A

Complete peritreme with a thickened outline.
Button is distinct.
Slits are strongly sinuous

Entomology (6 decks)

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