Denver-Boulder Metro Area: Bugs

This guide contains spiders, bees, wasps, ants, beetles, dragonflies, grasshoppers, flies and other bugs that can be found in the Denver-Boulder Metro Area, including Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, and Jefferson Counties.

American Cellar Spider ¹
Pholcophora americana

Long-bodied Cellar Spider ²
Pholcus phalangioides

Common Spitting Spider ³
Scytodes thoracica

Scytodes univittata ⁴

Brown Recluse ⁵
Loxosceles reclusa

Woodlouse Spider ⁶
Dysdera crocata

Edited by Colorado Parks and Wildlife, some rights reserved (CC BY-SA)

Photo Credits

1. (c) K Schneider, some rights reserved (CC BY-NC), uploaded by K Schneider
3. (c) bscrl, some rights reserved (CC BY-NC), uploaded by bscrl
4. (c) Roland Sauerland, some rights reserved (CC BY-NC), uploaded by Roland Sauerland
5. (c) James W. Beck, some rights reserved (CC BY-NC), uploaded by James W. Beck
6. (c) Kurt Andreas, some rights reserved (CC BY-NC-SA)

Denver-Boulder Metro Area: Bugs

American Cellar Spider 1 Pholcophora americana

Long-bodied Cellar Spider 2 Pholcus phalangioides

Common Spitting Spider 3 Scytodes thoracica

Scytodes univittata 4

Brown Recluse 5 Loxosceles reclusa

Woodlouse Spider 6 Dysdera crocata