(Agelenopsis spp.)
Overview • Description • Distribution • Taxonomy
Description |
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Females are ⅜″ to ⅝″ (10 to 17 mm) in length not including the legs. Males are just a little smaller, ⅜″ to ⅝″ (9 to 15 mm) long. The top of the front segment (carapace) has 3 pale and 2 dark horizontal stripes. Like other funnel-web spiders, the spinnerets extend well beyond the end of the rear segment (abdomen), and are visible from above. The web is a horizontal, non-sticky sheet with a funnel near one edge or in the middle. |
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Distribution |
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Sources |
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10/16/2021 | ||||
Taxonomy |
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Class | Arachnida (arachnids) | ||
Order |
Araneae (spiders) | ||
Suborder |
Araneomorphae (typical spiders) | ||
Infraorder | Entelegynae (entelegyne spiders) | ||
Superfamily |
Agelenoidea (funnel weavers and amphinectids) | ||
Family |
Agelenidae (funnel weavers) | ||
Subfamily |
Ageleninae | ||
Genus |
Agelenopsis (grass spiders) | ||
Subordinate Taxa |
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birthmark grass funnel weaver (Agelenopsis naevia) common American grass spider (Agelenopsis actuosa) common grass funnel weaver (Agelenopsis potteri) desert grass spider (Agelenopsis aperta) Emerton’s grass funnel weaver (Agelenopsis emertoni) grass spider (Agelenopsis aleenae) grass spider (Agelenopsis kastoni) grass spider (Agelenopsis longistyla) grass spider (Agelenopsis riechertae) grass spider (Agelenopsis spatula) Oklahoma grass funnel weaver (Agelenopsis oklahoma) Oregon grass funnel weaver (Agelenopsis oregonensis) Pennsylvania grass funnel weaver (Agelenopsis pennsylvanica) Utah grass funnel weaver (Agelenopsis utahana) |
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Synonyms |
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Common Names |
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grass spiders |
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Glossary
Carapace
On spiders, the top of the cephalothorax.
Cephalothorax
The front part of a spider’s body, composed of the head region and the thoracic area. Eyes, legs, and antennae are attached to this part.
Visitor Photos |
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Mary Jo Reuter |
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Grass Spider It is about 3/4” body with the main part that has two black parts with a white stripe down the middle, the abdomen is dark grayish. Has very long legs, two antennas next to the weird eyes. The legs look translucent except it has dark markings on the legs also. I sent three pictures to this email address also today. |
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Please I would appreciate if this is not a grass spider to let me know asap, as I have to take out my AC units and have the window edges taped up heavily because I don’t want that coming into my house!! I am deathly afraid of spiders and may have to move if that comes in until it is found!! |
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At first I thought this was a brown recluse because I could not see close enough if that was a violin on its main part. But today I was finally able to shoot a picture and zoom in enough to see it did not appear to be a violin and was thankful that it was not a brown recluse...from my uneducated guess. |
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Any suggestions how to get him out as it will probably run right into the seam where the window and window frame meet. |
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His fangs are about 1/8th “ as I was able to get a good picture of those last night. |
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MinnesotaSeasons.com Photos |
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Spider |
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Web |
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Funnel |
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Slideshows |
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Visitor Videos |
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Other Videos |
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American Grass Spider facts: the harmless funnel weavers | Animal Fact Files Animal Fact Files |
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About
Mar 4, 2020 American grass spiders are often known as the spiders who enter our homes as the season begins to get cold. Sometimes they're mistaken for spiders who pack more of a punch when they bite a human because grass spiders construct webs in the same way these other spiders do, but grass spiders are considered harmless. They may also be known as funnel weaver spiders due to the shape of their webs. A grass spider can move fast and uses its lightning speed to catch prey that has fallen into its web. Scientific Name: Genus - Agelenopsis |
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Grass Spider (Agelenidae: Agelenopsis) on Nest Carl Barrentine |
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About
Aug 5, 2010 Photographed at Turtle River State Park, North Dakota (04 August 2010). |
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Agelenopsis "species" Funnel Web Weaver feeding Ron's Spiders |
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About
Jul 26, 2018 I just caught this spider yesterday and was going to wait a few days for some webbing to happen before feeding it. By the time someone asked me to record this, I was already in the process of doing it. These spiders are very, very fast. Cool little guys. |
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Visitor Sightings |
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Mary Jo Reuter 10/16/2021 |
Location: Lindstrom, MN, Chisago County Any suggestions how to get him out as it will probably run right into the seam where the window and window frame meet. His fangs are about 1/8th “ as I was able to get a good picture of those last night. |
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Mary Jo Reuter 10/15/2021 |
Location: Inbetween my windows, Lindstrom, MN/Chisago County. My AC unit It is about 3/4” body with the main part that has two black parts with a white stripe down the middle, the abdomen is dark grayish. Has very long legs, two antennas next to the weird eyes. The legs look translucent except it has dark markings on the legs also. I sent three pictures to this email address also today. Please I would appreciate if this is not a grass spider to let me know asap, as I have to take out my AC units and have the window edges taped up heavily because I don’t want that coming into my house!! I am deathly afraid of spiders and may have to move if that comes in until it is found!! At first I thought this was a brown recluse because I could not see close enough if that was a violin on its main part. But today I was finally able to shoot a picture and zoom in enough to see it did not appear to be a violin and was thankful that it was not a brown recluse...from my uneducated guess. |
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John Valo 10/15/2021 |
It is not a brown recluse, as you noted. Wolf spiders and grass spiders looks similar, but wolf spiders don't make webs. This is a grass spider. Here is information from Smith's Pest Management: While grass spiders are not poisonous, they (like all spiders) are venomous. In most cases, their venom is not a risk of people. Instead of biting unsuspecting gardeners, grass spiders use their venom to subdue prey. Grass spiders have very small fangs that cannot generally puncture human skin. Aug 27, 2021 |
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