Grass spider9/4/2023 ![]() If you compare abdomens (and I realize, for some folks, that’s a really big IF), you’ll notice that grass spiders have two projections at the rear. Grass spiders are web-based critters while wolf spiders are ambush predators that eschew webs in favor of pouncing on prey. But there’s a big difference between the two. (That’s right, the architects of these remarkable residences are females male grass spiders are more nomadic, spending their summer nights on the move in search of a mate-cruising for chicks, if you will.)īedecked with a longitudinal stripe down their back, grass spiders often are mistaken for wolf spiders, since certain types of wolfies have this same marking. That’s the spot the web’s creator weaves just for herself. The size and strength of these flat, expansive webs are impressive, for sure, but what’s really nifty is the little tunnel at one end. Agelenopsis, also known as the grass spiders, have been super busy this summer, slinging their thick mats of white silk across wide expanses of shrubbery, grass and groundcovers, extending onto porch steps and deck supports and even the dark recesses of garages and sheds. We’re going to start off with a genus I’m sure you’ll recognize, if not by the spider then for sure by their webs. In an occasional series running into fall, we’ll spotlight various families, genera and even a species or two that just might weave their way into your own cardiac marks. ![]() With so many webs covering so much of our local landscape, I thought it might be helpful to take a look at some of the spider groups you’re more likely to encounter. In some species, if you get close enough and look hard enough, you can actually see the spider’s heart beating beneath that mark. Pretty neat, huh? But it gets even cooler. (Fun fact: A cardiac mark is a line near the base of a spider’s abdomen that lies right above its heart. Cicadas are buzzing, prairies are blooming and spiders, bless their little cardiac marks, are everywhere. Here in the midst of another hot spell, the signs of the season are undeniable. Good Natured: Grass Spiders August 28, 2020Īah, the joys of summer. Grrrowwrrr! A grass spider, medium-sized at best, casts a long shadow from its tangled web at the base of a deck.
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