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Photo#1551291
Which bug is this? - Tetraopes femoratus

Which bug is this? - Tetraopes femoratus
Arsenal NWR, Denver, Colorado, USA
July 3, 2018

Moved tentatively
Moved from Long-horned Beetles.

Most likely this species.

Looks like one of the Milkwee
Looks like one of the Milkweed Longhorns. You have a few different species in your area, so you'll want to wait for someone more expert or more local to confirm which one.

Here is an info page on the whole group: https://bugguide.net/node/view/2965

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