Girish Mahajan (Editor)

Araneus gemma

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Araneus gemma Felicia 2 Orb Weaver

Similar
  
Araneus gemmoides, Araneus illaudatus, Araneus nordmanni, Araneus circe, Araneus albotriangulus

Araneus gemma, commonly known as the Cat-faced Spider (a name shared with Araneus gemmoides), is a common outdoor orb-weaver spider found in the western United States and Canada.

Araneus gemma Araneus gemma Orb Spinner by savagescience on DeviantArt

Like most Araneus species, A. gemma poses no danger to humans. It produces a venom containing argiotoxin, a low molecular weight toxin that inhibits the effects of the neurotransmitter glutamate. Dopamine was also identified in the venom of A. gemma in a concentration of 4.3 nM.

Araneus gemma httpsfarm1staticflickrcom85277341122cc0a70

The web silk of the A. gemma ranges from 1 to 4 μm in diameter.

Araneus gemma Tree spider Araneus gemma

Araneus gemma Tree spider Araneus gemma

Araneus gemma Orb weaver Araneus gemma BugGuideNet

Araneus gemma Yellow Frowny Face Araneus gemma BugGuideNet

Araneus gemma San Diego Spider Araneus gemma BugGuideNet

References

Araneus gemma Wikipedia