https://fieldguide.mt.gov/AnnualChart_FS.aspx?elcode=IICOL8K070
Pleasing Carpet Beetle - Obs. by Year - Montana Field Guide
Montana Field Guide contains a wealth of information about Montana's diverse species.
carpet beetleby yearpleasingobsmontana
https://elp.tamu.edu/ipm/bugs/order-coleoptera-beetles/coleoptera-dermestidae-carpet-beetle-larva-b/
Coleoptera-Dermestidae-Carpet Beetle LARVA (B) - Urban Programs - El Paso County
carpet beetleel pasocoleopteradermestidaelarva