Black Widow infestation?!

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paulbraveheart Huntersville, NC Sep 13, 2021

I've seen several concerning spiders in our house (probably 1 every 1-2 weeks), and I've killed them frequently. I snapped photos on a few different occasions. We saw a certain female black widow a few months ago, in the middle of the day, walking right across the carpet toward my wife (she moved when it was bout 6 inches from her leg!).

Then, I started noticing all these other spiders. We've had our ground-floor apartment sprayed every 1-2 weeks now, and we still see them pretty frequently, particularly if we go longer than a week or so without spraying. I'm concerned because I have a 2-year-old another on the way.

ANYONE KNOW WHAT THESE ARE? I think the Left and the Right are false widows (hopefully) and the middle one is a male black widow?!

Thumbnail by paulbraveheart Thumbnail by paulbraveheart Thumbnail by paulbraveheart
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Flapdoodle Minot, ND Sep 13, 2021

The first spider is a triangulate household spider, Steatoda triangulosa; the third one may be one also, but the image is not clear enough to be certain. This species is harmless to humans, see https://lancaster.unl.edu/pest/resources/triangulatespider.shtml

The middle spider is a male southern house spider, Kukulcania hibernalis. The bite of this species is not considered medically significant. Seehttps://entnemdept.ufl.edu/creatures/urban/spiders/southern_house_spider.htm

This message was edited Sep 14, 2021 5:32 AM

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ZilyZily Castro Valley, CA Sep 13, 2021

I do not mean to offend but hope you have looked into whatever insecticide you are spraying with a 2 year old crawling around the floors and a pregnant wife. We had to get our house sprayed for fleas once so we moved out for 1 week plus had covered all our food supplies, dishes etc in plastic plus our son's clothes and bead sheets. We had tried so many other non insecticide remedies first. But none really worked and we were being eaten alive. We had a young son so insecticide he might lick off his fingers or have on his clothes was scary to us.

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paulbraveheart Huntersville, NC Sep 14, 2021

Quote from Flapdoodle :
The first spider is a triangulate household spider, Steatoda triangulosa; the third one may be one also, but the image is not clear enough to be certain. This species is harmless to humans, see https://lancaster.unl.edu/pest/resources/triangulatespider.shtml

The middle spider is a male southern house spider, Kukulcania hibernalis. The bite of this species is not considered medically significant. Seehttps://entnemdept.ufl.edu/creatures/urban/spiders/southern_house_spider.htm

This message was edited Sep 14, 2021 5:32 AM


Thank you flapdoodle! You probably know much more than me, but the abdomen didn’t seem to lie “on top” the body as much as the pictures suggested for the triangulate house spider. What do you think?

This message was edited Sep 14, 2021 8:32 AM

Post #10523626
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Flapdoodle Minot, ND Sep 14, 2021

The one in the first picture is a male, their overall shape can be quite different from that of a female specimen.

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RobAllen46 Kansas City, MO Jan 29, 2022

Yes, the first spider is a triangulate ...not know to bite humans but it is important to note, spider bites affect each individual differently.
Rob Allen
https://trulygreenpestcontrol.com

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