Araneidae
(Orb-weavers)

Picture ID 3957

Picture of Araneidae (Orb-weavers) - Dorsal

Comments & ID Thoughts

What type of spider is this. I live in Wisconsin. Found in window sill of kitchen. Have found about 4 like this but this one is the biggest. Almost the size of a quarter

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Britsnana1

It is a Orb Weaver,they are great for pesky insect control. I always leave them be. They are not a medically significant spider.

ItsyBitsy

Hi, welcome to Spider ID. 🙂 Was this spider sprayed with something or was it sitting dead in the window long enough to collect dust? There appears to be a gray haze on it that is a bit disorienting. I’m thinking it may be a Cross Orbweaver (Araneus diadematus) but I really can’t be sure of the species with the amount of detail here. It is definitely some sort of Orbweaver though (Araneidae). They’re beneficial and not the sort to normally find their way indoors.

ItsyBitsy

You’re welcome. Also … if Araneus diadamatus doesn’t look right, looking at it again another possibility to consider is Araneus gemmoides. I can sort of make out a little white line on the anterior abdomen but not much else. Might fit A. gemmoides better.

Additional Pictures

Picture of Araneidae (Orb-weavers) - Lateral,Prey Enlarge Picture
Picture of Araneidae (Orb-weavers) - Dorsal Enlarge Picture
Picture of Araneidae (Orb-weavers) - Male - Dorsal Enlarge Picture
Picture of Araneidae (Orb-weavers) - Dorsal,Webs Enlarge Picture