Sawdust piles from Pine Tree Ants in Arnold CA

Ryder Richards, 14  March 2022 Arnold CA.

Pine tree ants, Liometopum luctuosum, a fascinating arboreal ant found in the mid-range altitudes of the Sierra Nevadas, find that homes work about as well as large pine trees for establishing nesting sites.

Here are some great photos taken by Ryder of sawdust accumulation on furniture.