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Species / Taxon Name
Observer
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Photos / Sounds

What

Meshweavers Family Dictynidae

Observer

tigerbb

Date

August 8, 2020 07:48 PM MDT

Description

After leaving the cow trail watering stream, I found this dictynid in a plant several feet from the highway. My camera battery had died, so I was left with only my phone. Location is estimated.

Photos / Sounds

Observer

tigerbb

Date

August 8, 2020 07:27 PM MDT

Description

After my camera battery died, I was left with only my phone, which just wouldn't focus. This cutie was in its web, set up in a tiny sapling next to a stream. The whole area is clearly a high traffic area for local roaming cows, despite being accessible only by rather steep trails. Location is estimated.

Photos / Sounds

What

False Widow Spiders Genus Steatoda

Observer

tigerbb

Date

August 9, 2020 05:48 PM MDT

Place

Utah, US (Google, OSM)

Description

Found on a camp chair bag that had been left next the house. It also had multiple Megalepthyphantes nebulosus and Tegenaria domestica spiders.

Photos / Sounds

What

Ubiquitous House Spider Tegenaria domestica

Observer

tigerbb

Date

August 9, 2020 06:46 PM MDT

Place

Utah, US (Google, OSM)

Description

Juvenile found on a camp chair bag that had been sitting next to the house exterior. The bags (2) also had multiple Megalepthyphantes nebulosus and a Steatoda sp.

Photos / Sounds

What

European Harvestman Phalangium opilio

Observer

tigerbb

Date

August 9, 2020 06:06 PM MDT

Place

Utah, US (Google, OSM)

Description

Small juvenile crawling on a sandbox

Photos / Sounds

Square

What

California Flattened Jumping Spider Platycryptus californicus

Observer

tigerbb

Date

August 9, 2020 05:56 PM MDT

Place

Utah, US (Google, OSM)

Description

Found dead on a part of a barbecue grill

Photos / Sounds

What

Ubiquitous House Spider Tegenaria domestica

Observer

tigerbb

Date

August 9, 2020 05:54 PM MDT

Place

Utah, US (Google, OSM)

Description

Found in exterior corner of house, in proximity of multiple Megalepthyphantes nebulosus and a Steatoda sp.

Photos / Sounds

Observer

tigerbb

Date

August 9, 2020 05:52 PM MDT

Place

Utah, US (Google, OSM)

Description

Found on camp chair bags sitting in a corner of the backyard next to the house. In proximity of adult male and female and Tegenaria domestica and Steatoda sp.

Photos / Sounds

Observer

tigerbb

Date

August 9, 2020 06:17 PM MDT

Place

Utah, US (Google, OSM)

Description

Female with male (separate observation) found on camp chair bags sitting in a corner of the backyard next to the house. In proximity of a juvenile and Tegenaria domestica and Steatoda sp.

Photos / Sounds

Observer

tigerbb

Date

August 9, 2020 05:49 PM MDT

Place

Utah, US (Google, OSM)

Description

Male with female (separate observation) found on camp chair bags sitting in a corner of the backyard next to the house. In proximity of a juvenile and Tegenaria domestica and Steatoda sp.

Photos / Sounds

What

Crab and Running Crab Spiders Superfamily Thomisoidea

Observer

tigerbb

Date

August 8, 2020 06:31 PM MDT

Description

By the shape of this molt, I'm thinking the spider was a philodromid, but I'm not positive.

Photos / Sounds

What

Entelegyne Spiders Infraorder Entelegynae

Observer

tigerbb

Date

August 8, 2020 05:53 PM MDT

Description

Between its size and the delicate structure, I was having an impossible time getting photos. My efforts resulted in the spider dropping out of sight, so this was all I managed to get. No idea.

Photos / Sounds

Square

What

Rocky Mountain Hornet Fly Spilomyia liturata

Observer

tigerbb

Date

August 8, 2020 05:48 PM MDT

Description

My son noticed this one and had a pretty good idea it was a fly. I was fooled by its markings and thought it was a wasp at first. It wasn't until I got a better look at its eyes that I saw it was a fly. What an incredible mimic! I haven't ever seen this genus before. Really striking in person.

Photos / Sounds

What

Thin-legged Wolf Spiders Genus Pardosa

Observer

tigerbb

Date

August 8, 2020 05:39 PM MDT

Description

On the rocks at the stream's edge. There were a few others that looked similar.

Photos / Sounds

What

Mites and Ticks Subclass Acari

Observer

tigerbb

Date

August 8, 2020 05:19 PM MDT

Description

Found on a tree leaf up Payson Canyon. Seemed rather large for a mite.

Photos / Sounds

What

Triangulate Combfoot Steatoda triangulosa

Observer

tigerbb

Date

August 8, 2020 02:35 AM MDT

Description

I found this speck of a spider in a corner of a room that had clearly collected some fur. I had no idea it was a triangulate cobweb spider until I took photos and zoomed in.

Photos / Sounds

What

Triangulate Combfoot Steatoda triangulosa

Observer

tigerbb

Date

August 8, 2020 02:28 AM MDT

Description

This little beauty has set up a web behind some things on the floor just inside the front door.

Photos / Sounds

What

Triangulate Combfoot Steatoda triangulosa

Observer

tigerbb

Date

August 8, 2020 02:22 AM MDT

Description

While addressing a sudden middle-of-the-night swarm of ants in the house, I noticed this tiny juvenile cobweb spider taking advantage of the passersby. There were several more carcasses in the web by the next day.

Photos / Sounds

What

Western Black Widow Latrodectus hesperus

Observer

tigerbb

Date

August 6, 2020 10:39 PM MDT

Description

Two juveniles pictured. There has apparently been a hatch somewhere nearby. I found several similar tinies who had set up webs around the backyard furniture a few days back, but I didn't realize there were babies in the front as well. These two were on the front porch. It will be interesting to see how many stick around and where.

Photos / Sounds

What

Slater Spider Dysdera crocata

Observer

tigerbb

Date

August 6, 2020 08:20 AM MDT

Description

Found struggling in the corner of a carpeted room. I hurried and captured him for photos and an outdoor release before the cats noticed him.

Photos / Sounds

What

Typical Spiders Suborder Araneomorphae

Observer

tigerbb

Date

July 4, 2020 09:13 PM MDT

Description

While outside, I noticed this web in a stack of old outdoor chairs. It is approximately an inch and a half from top to bottom. I've never seen another like around my yard. Unfortunately there was no spider.

Photos / Sounds

Observer

tigerbb

Date

July 4, 2020 09:04 PM MDT

Description

Inside a small plastic shed. Two individuals pictured. This spot used to be frequented by several Steatoda triangulosa, and I was ecstatic the first time I found one of these linyphiids. Now I don't see any Steatoda---only signs one in an empty web---but this linyphiid species seems to be proliferating here and throughout my yard.

Photos / Sounds

Observer

tigerbb

Date

July 3, 2020 10:44 AM MDT

Description

While examining some wild roses at the back of my yard, this little cutie was ballooning from branch to branch. If you look closely, you can see several setae on the carapace.

Photos / Sounds

What

Orbweavers Family Araneidae

Observer

tigerbb

Date

July 3, 2020 10:25 AM MDT

Description

On a rose bush just outside my back door. Strangely, I have only ever seen early instar juvenile orbweavers in my yard. I don't know why they leave, when they go, or where they go to. I also don't know how many genera or species come here, because I can never identify them, though there has definitely been some variety. I certainly wish some would stick around! For size comparison, in addition to the photo with my hand (which is quite small for an adult), the first image has baby aphids on the right.

Photos / Sounds

What

Ground Crab Spiders Genus Xysticus

Observer

tigerbb

Date

July 3, 2020 10:18 AM MDT

Description

I picked up a small bunch of leaf litter below yard tools on the back of my house, and this is what was in it. Immediately, these hatchlings started pouring out of the sac. I shot a few quick photos and carefully put the leaf litter back where I found it.

Photos / Sounds

What

Jumping Spiders Family Salticidae

Observer

tigerbb

Date

July 3, 2020 10:09 AM MDT

Description

Either a juvenile Attinella dorsata or Attulus ammophilus, both of which are known to be in this spot. For size comparison, see the last photo, where it is running down the door trim next to the brick wall. The gray part is brick mortar.

Photos / Sounds

What

Triangulate Combfoot Steatoda triangulosa

Observer

tigerbb

Date

July 3, 2020 12:44 AM MDT

Description

Just inside a rear entrance

Photos / Sounds

Observer

tigerbb

Date

July 2, 2020 04:35 PM MDT

Description

I don't believe I've seen any other pholcids besides Pholcus in my home before, so this was a fun surprise. I found him half curled up on a baseboard in a disused corner of my bedroom.

Photos / Sounds

What

Paradise Spiders Genus Habronattus

Observer

tigerbb

Date

July 2, 2020 10:06 AM MDT

Description

On the ground next to my shed. Seeing lots of young Habros around my yard right now.

Photos / Sounds

Observer

tigerbb

Date

July 2, 2020 09:55 AM MDT

Description

Probably a juvenile P. audax. On the leaf of one of my rose bushes, which have been sadly quite empty lately.

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