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are you my momma - Ocrepeira

are you my momma - Ocrepeira
Sewickley, Allegheny County, Pennsylvania, USA
July 31, 2010
the little one left right away. The big one did not move.

Moved from ID Request. Great find on the the male Ocrepeira. The other spider is a male in a different family, not even closely related. It was just wandering and left right away because it didn't want to become dinner. I'd guess the little red male might be something in the Family Linyphiidae.

Hmmmm.... I don't really have enough experience to do anything more than guess at spider IDs, but the large one looks like a possible match for one of the orb weavers in genus Ocrepeira. The strange double hump on the abdomen seems particularly notable. However, there may be several other similar-looking spiders that I'm unaware of... Personally, I would be very shocked if the little spider turned out to be the same species (or even closely related) to the larger one.

Those sure look like big, male palps on the big spider. I like Ocrepeira; the eyes seem to match well, too, but I'm no expert.

So no mommy and no little male with his big female.

If you're right on the Ocrepeira, it would be around 8mm, which makes that little guy truly little. He looks like the Oonopids in my Golden Guide to spiders, which says one called Orchestina saltitans occurs in eatern US buildings and is about 1 mm. And that does look a bit like male palps on the little guy, too.

small one might be the male and the large one the female. I'm not familliar with this one, though.

are you my momma?
are they some same species? (or family or whatever) I assumed they were different.

Hmmm ...
... I bet he's daddy trying to sneak up on momma. Love is rough on male spiders and mantids.

Two males, I think
I think they are two different species. If you look closely, both seem to have quite large pedipalps, so I think they're both males.


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