Mite   29-III
ARTHROPODA
Chelicerata
 
 
Mites, like this Clover Mite (Bryobia praetiosa), are arachnids but not spiders.



Chapter Outline
  1. Description of Arthropoda
  2. Classification of Arthropoda
  3. Chelicerata
  4. Mandibulata
  5. Pancrustacea
  6. Hexapoda

Tree



Links to external sites will appear in pop-up windows. 		   
The subphylum Chelicerata contains 3 Classes: Arachnida, Pycnogonida and Merostomata.

Resources:

ARACHNIDA  

The class of spiders, scorpions and ticks. As of 2024, 2,105 species of Arachnida have been observed in iNaturalist in the US and 11,498 throughout the world.

  • SUBCLASS ACARI
    • SUPERORDER ACARIFORMES
      • ORDER SARCOPTIFORMES
        • Itch Mite (Sarcoptes scabei) - causes scabes - CDC
        • American Dust Mite (Dermatophagoides farinae)
        • Beetle mites
      • ORDER TROMBIDIFORMES
        • Sidewalk Mite - Douglas County, KS
    • SUPERORDER OPILIOACARIFORMES
    • SUPERORDER PARASITIFORMES
      • ORDER HOLOTHYRIDA
      • ORDER IXODIDA
        • Lone Star Tick (Amblyomma americanum) - NOAH
        • Black-Legged Tick (Ixodes scapularis) - ticks that spread Lyme disease - CDC
      • ORDER MESOSTIGMATA
  • ORDER AMBLYPYGI
    • Tailless Whip Scorpions (Heterophrynus spp.)
  • ORDER ARANEAE
    • SUBORDER ARANEOMORPHAE
      • Rabid Wolf Spider (Rabidosa rabida) - Prairie Garden Trust
      • Orb Weaver (Neoscona) - Perry Lake, KS
      • Golden Silk Spider (Nephila clavipes) - 6 (St. Louis Zoo)
      • Bold Jumping Spider (Phidippus audax) - Perry Lake, KS
      • Brown Recluse Spider (Loxosceles reclusa) -
      • Black Widows (Latrodectus) -
    • SUBORDER MYGALOMORPHAE
      • Texas Black Spot Tarantula (Aphonopelma armada) - Palo Duro Canyon
      • Red-Knee Tarantula (Brachypelma smithi) - 6 (Omaha and St. Louis Zoos)
      • Salmon Pink Birdeater (Lasiodora parahybana) - 6 (Omaha and Sedgwick County Zoos)
      • Gooty Sapphire Ornamental Tarantula (Poecilotheria metallica) - 6 (SCZ)
  • ORDER OPILIONES
    • Daddy Longlegs - NOAH
  • ORDER PALPIGRADI
  • ORDER PSEUDOSCORPIONES
    • Pseudoscorpions
  • ORDER RICINULEI
    • Hooded Tick Spider (Cryptocellus goodnighti)
  • ORDER SCHIZOMIDA
    • Schizomids
  • ORDER SCORPIONES
    • Striped Bark Scorpion (Centruroides vittatus) - Clinton Lake, KS - NOAH
    • Borneo Forest Scorpion (Heterometrus longimanus) - 6 (SCZ)
    • Mozambique Rock Scorpion (Hadogenes granulates) - 6 (St. Louis Zoo)
  • ORDER SOLIFUGAE
    • Sun Spider - NOAH
    • Sun Spider (Gluvia dorsalis)
  • ORDER UROPYGI
    • Vinegaroon/Whip Scorpion (Mastigoproctus giganteus) - 6 (Omaha Zoo)
Resources:
PYCNOGONIDA  

The class of sea spiders. As of 2024, 14 species of Pycnogonida have been observed in iNaturalist in the US and 49 throughout the world.

  • Stearns' Sea Spider (Pycnogonum stearnsi) - most iNat observations in the US for Pycnogonida - 7 (Monterey Bay)
Resources:
MEROSTOMATA  

The class of horseshoe crabs. As of 2024, only 1 species of Merostomata has been observed in iNaturalist in the US and 4 throughout the world.

  • ORDER XIPHOSURA
    • Horseshoe Crabs (Limulus polyphemus) - 10 (Delaware Bay)
  • ORDER EURYPTERIDA [extinct] - WIK
    • Sea Scorpion (Eurypterus spp.) -
Resources:

[ Previous Page ] [ Next Page ]