Dichotomous Key/Parasitiformes

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Dichotomous Key

Parasitiformes
Kingdom	Animalia
Phylum	Arthropoda
Subphylum	Chelicerata
Class	Arachnida
Order	Acari
Suborder	Parasitiformes
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1

• Latigynial plates and palpal tarsus
  • Both reduced - 2
  • Neither reduced - 3

2: Ixodida

• Attachment to host
  • Remain attached for long periods - Ixodidae
  • Do not remain attached long - Argasidae

Could also be the poorly-known Nuttalliellidae

3

• Diet
  • Scavenger - Holothyrida
  • Other - Mesostigmata

4: Holothyrida

5: Mesostigmata