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​  *Federally Threatened Species
**Federally Endangered Species

​  †State Threatened Species
††State Endangered Species

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Arachnids, Centipedes, Millipedes and Crustaceans

Spiders

COMMON NAME (Genus species)

• Shamrock spider (Araneus trifolium)
• Hard shelled spider (Micrathena sp)
• Black & yellow argiope (Argiopes aurantia)
• Banded argiope (Argiopes trifasciata)
• Flower spider (Misumena sp.)
• Jumping spider (Phidippus sp.)
• Pseudoscorpion (Chelifer cancroides)

Harvestmen

COMMON NAME (Genus species)​​

• daddy-long-legs (Phalangiidae)

Mites & Ticks

COMMON NAME (Genus species)

• Velvet mite (Tromidium sp.)
  
• Wood tick (Dermacentor variabilis)
  
• Deer tick​ (Ixodess capularis)

Centipedes

COMMON NAME (Genus species)

• House centipede​ (Scutigera coleoptrata)
  

Millipedes

COMMON NAME (Genus species)

• a medium sized colorful millipede (Xystodesmidae sp)
• a tiny millipede (?)

Crustaceans

COMMON NAME (Genus species)

• Devil crayfish (Cambarus diogenes)

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Download Arthropods at Nachusa Grasslands
(coming soon)

Fauna of Nachusa Database​​

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UPDATED 4/2020