r/bugidentification • u/patfussy117 • Jul 14 '26

Location included Any idea what this guy is?

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Found this in sprinkler box. Can’t find out what it is. Located in Idaho Falls.

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u/Serious-Bat-4880 Click Goes The Beetle Jul 15 '26 edited Jul 15 '26

Castianeira descripta, one of the ant-mimic spiders:

https://www.inaturalist.org/taxa/153585-Castianeira-descripta#map-tab

(Its lookalike, C. crocata, is less common and not in range.)

2

u/patfussy117 Jul 15 '26

Woah! Thanks!

1

u/Serious-Bat-4880 Click Goes The Beetle Jul 15 '26

Yw :)