Latest posts

Bald-faced Aerial Yellowjacket (Dolichovespula maculata)

  • September 3, 2021

This species of yellowjacket goes by many names across its range, including the Bald-faced Hornet. In the U.S., they are most common in the southeast,... Continue Reading

A Sphinx Moth (Smerinthus ophthalmica)

We received quite a few submissions of the large sphinx moths over the summer, but this is the first representative of the next... Continue Reading

Milbert’s Tortoiseshell (Aglais milberti)

After emerging in late July and August and taking a short “summer hibernation,” Milbert’s are resuming activity before they overwinter. They,... Continue Reading

Achemon Sphinx (Eumorpha achemon)

We were thrilled to see this species, since it’s not one you can find here in western Montana. Achemon caterpillars may be... Continue Reading

Casey’s Lady Beetles (Hippodamia caseyi)

We’ve only seen one of these beetles for the first time this year and had no idea that they congregated like... Continue Reading

The Chevron (Eulithis testata)

The Chevron is on the wing from June to September in acidic bogs in northern forests—Newfoundland to New Jersey, west to... Continue Reading

Ants Tending Aphids

If you find a group of aphids on a plant, you will often find an ant(s) that are “herding” them like cattle. The ants feed on... Continue Reading

Cat-faced Spider (Araneus gemmoides)

Many people refer to all orb weaver spiders as “Cat-faced Spiders” or “Barn Spiders”…but we believe this species is THE actual... Continue Reading

Notes from the Lab: The Bite of the Black Widow

  • September 2, 2021

Welcome back to the Lab! In 1901, an unfortunate construction worker in southern California was visiting an outhouse at his jobsite... Continue Reading

Flea Beetles (genus Altica)

  • August 27, 2021

As far as beetles go, these guys are pretty small (ranging from 1/16 to a whopping 1/4 of an inch). Thanks... Continue Reading