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Species / Taxon Name
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Photos / Sounds

What

Longlegged Sac Spiders Genus Cheiracanthium

Observer

tigerbb

Date

July 24, 2019 03:15 AM MDT

Description

And then this little hatchling appeared on my lap....

Photos / Sounds

What

Common Tree Crickets Genus Oecanthus

Observer

tigerbb

Date

July 24, 2019 02:34 AM MDT

Description

While IDing spiders, this suddenly appeared on my lap. 😆

Photos / Sounds

What

Running Crab Spiders Family Philodromidae

Observer

tigerbb

Date

June 22, 2019 06:28 PM MDT

Description

In a bathroom at the field station. For some reason, my camera just can't handle things on light-colored backgrounds, so the photos didn't come out very well. This fella got a little startled when I tried to hold the scale next to him. The long legs make them look big, but they are not large spiders at all.

Photos / Sounds

What

Entelegyne Spiders Infraorder Entelegynae

Observer

tigerbb

Date

June 22, 2019 05:56 PM MDT

Description

Found this exuvium under a rusted old can. I can see a notably deep dorsal groove on the carapace and a relatively clear eye arrangement, but I don't know yet what family this belongs to.

Photos / Sounds

What

Convergent Lady Beetle Hippodamia convergens

Observer

tigerbb

Date

June 22, 2019 05:50 PM MDT

Description

Found dead on tree. This is the only lady beetle species I observed throughout our stops in the park.

Photos / Sounds

What

Arthropods Phylum Arthropoda

Observer

tigerbb

Date

June 22, 2019 05:47 PM MDT

Description

I need help figuring out the plant so I can figure out the galls (or just help with the galls).

Photos / Sounds

Observer

tigerbb

Date

June 22, 2019 05:39 PM MDT

Description

I believe this is a psyllid, though I've never knowingly seen one before. It was very difficult to see on this Shepherdia rotundifolia, and it hopped away before the shutter released on my 5th photo. Because it is nearly the same color as the foliage, I have included the original photo and then an enhanced version of each.

Photos / Sounds

What

Crab Spiders Family Thomisidae

Observer

tigerbb

Date

June 22, 2019 05:38 PM MDT

Description

Most of my day of spider hunting was filled with empty webs and spider molts. Here's a tiny exuvium, where the general eye and leg arrangement are visible.

Photos / Sounds

Observer

tigerbb

Date

June 22, 2019 05:35 PM MDT

Description

So colorful!

Photos / Sounds

What

Butterflies and Moths Order Lepidoptera

Observer

tigerbb

Date

June 22, 2019 05:30 PM MDT

Description

Among the Betula leaves being skeletonized by leaf beetle larvae, there were a few woolly cocoons. My guess was that they were made by Malacasoma caterpillars dropping from the tree above, because we'd seen many of those around, but I didn't look to see if there were any tents in this tree. And I don't know if they do this to leaves.

Photos / Sounds

What

Metallic Flea Beetles Genus Altica

Observer

tigerbb

Date

June 22, 2019 05:29 PM MDT

Description

Most Altica species feed on alders, but there are some that feed on Betula, which this is. The cocoon, though surrounded by beetle larvae is unrelated to the beetles. This tree was very near the river's edge.

Photos / Sounds

Square

What

Funnel Weavers Family Agelenidae

Observer

tigerbb

Date

June 22, 2019 05:27 PM MDT

Description

This funnel web was built into a tree branch. It is right next to the river bank, which is why there is debris packed into it. As was the case all day, there was nobody home.

Photos / Sounds

What

Ants Family Formicidae

Observer

tigerbb

Date

June 22, 2019 05:26 PM MDT

Description

In the sand a few meters from the river's edge.

Photos / Sounds

What

Bristletails Order Archaeognatha

Observer

tigerbb

Date

June 22, 2019 05:24 PM MDT

Description

In the sand a few meters from the river's edge.

Photos / Sounds

What

Grasshoppers, Locusts, and Allies Suborder Caelifera

Observer

tigerbb

Date

June 22, 2019 05:16 PM MDT

Photos / Sounds

What

Arthropods Phylum Arthropoda

Observer

tigerbb

Date

June 22, 2019 04:49 PM MDT

Description

I don't know if this is from a gall-forming arthropod, or scars from ovipositing, or something else altogether. On Ericameria nauseosa (I believe). Ideas?

Photos / Sounds

Observer

tigerbb

Date

June 22, 2019 04:48 PM MDT

Description

A. bigeloviae?
On Ericameria nauseosa (I believe)

Photos / Sounds

Observer

tigerbb

Date

June 22, 2019 04:45 PM MDT

Description

Found inside a piece of wood in the sand, a couple meters from the river's edge.

Photos / Sounds

What

Willow Pinecone Gall Midge Rabdophaga strobiloides

Observer

tigerbb

Date

June 22, 2019 04:41 PM MDT

Description

On Salix exigua (I believe)

Photos / Sounds

What

Thin-legged Wolf Spiders Genus Pardosa

Observer

tigerbb

Date

June 22, 2019 04:40 PM MDT

Description

In the sand a couple meters from the river's edge.

Photos / Sounds

Observer

tigerbb

Date

June 22, 2019 04:38 PM MDT

Description

On Salix (maybe Arroyo?)
Genus is an educated guess based on similar willow gall-formers within it. Of note is the fact that these galls are only on one side of the leaf.

Photos / Sounds

What

Funnel Weavers Family Agelenidae

Observer

tigerbb

Date

June 22, 2019 04:35 PM MDT

Description

A funnel web up in the branch of a large tree (a cottonwood?). No spider was home, but there was something that had gotten caught in it.

Photos / Sounds

What

Ants Family Formicidae

Observer

tigerbb

Date

June 22, 2019 04:34 PM MDT

Description

Suspended in a funnel web with no spider. In a branch about 5 feet off the ground.

Photos / Sounds

What

Lauxaniid Flies Family Lauxaniidae

Observer

tigerbb

Date

June 22, 2019 04:32 PM MDT

Description

On a large tree trunk a few meters from the river's edge.

Photos / Sounds

Observer

tigerbb

Date

June 22, 2019 04:30 PM MDT

Description

On a large tree trunk a few meters from the river's edge. I'm pretty sure the hole just below the moth is where it emerged from its cocoon, which it had built in the bark. This tree had several tents in the canopy, and cocoons among the foliage below.

Photos / Sounds

What

Butterflies and Moths Order Lepidoptera

Observer

tigerbb

Date

June 22, 2019 04:02 PM MDT

Description

I am guessing this is the work of caterpillars, due to the entrance holes in the Opuntia, the frass left behind, and the webbing. But I don't know if there are beetles or other larvae that do the same.

Photos / Sounds

Square

Observer

tigerbb

Date

June 22, 2019 04:00 PM MDT

Description

On an Opuntia blossom

Photos / Sounds

Observer

tigerbb

Date

June 22, 2019 03:59 PM MDT

Description

On an Opuntia blossom.
Attalus?

Photos / Sounds

What

Ants Family Formicidae

Observer

tigerbb

Date

June 22, 2019 04:00 PM MDT

Description

This ant seemed especially long and thin compared to all others I'd seen, but I had a really hard time getting any decent photos. On an Opuntia blossom

Photos / Sounds

Observer

tigerbb

Date

June 22, 2019 03:42 PM MDT

Description

Attalus?

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