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Like most Araneus species, A. gemma is harmless to humans. It contains a venomous toxin of low molecular weight called argiotoxin, [1] that antagonizes the actions of the neurotransmitter glutamate. [2] Dopamine was also identified in the venom of A. gemma in a concentration of 4.3 nM. [3] The web silk of the A. gemma ranges from 1 to 4 μm in ...
This page lists all described species of the spider family Araneidae as of Dec. 20, 2016, ... Araneus gemma (McCook, 1888) — USA, Canada, Alaska;
Araneus gemmoides, commonly known as the jewel spider (a name shared with Austracantha minax) and cat-faced spider (a name shared with Araneus gemma), is a common, outdoor, orb-weaver spider found in Canada and the USA. [1] It is considered harmless and has a low-toxicity venom. [2] A. gemmoides is a useful natural predator for insects. [1] [3] [4]
Visit the arboretum any day between 8 a.m.–5 p.m. for a look at these trees in the ground and scan the QR code on the sign identifying the tree to make your purchase.
Araneus is a genus of common orb-weaving spiders. It includes about 650 species , among which are the European garden spider and the barn spider . The genus was erected by Carl Alexander Clerck in 1757.
Austracantha minax is most commonly known as "jewel spiders" due to their body colouration. [2] This may sometimes be specified further as "Australian jewel spiders" due to the common name being shared with the unrelated North American jewel spider Araneus gemmoides, [3] as well as the widespread jewel box spider Gasteracantha cancriformis. [4]
Araneus marmoreus, commonly called the marbled orbweaver, is a species of spider belonging to the family Araneidae. It is sometimes also called the pumpkin spider from the resemblance of the female's inflated abdomen to an orange pumpkin. [ 2 ]
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