https://fieldguide.mt.gov/AnnualChart_FS.aspx?elcode=IILEYD3030
Smooth Amphipyra Moth - Obs. by Year - Montana Field Guide
Montana Field Guide contains a wealth of information about Montana's diverse species.
by yearsmoothmothobsmontana
https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?name=Amphipyra%20tragopoginis
Taxonomy browser Taxonomy Browser (Amphipyra tragopoginis)
THE NCBI Taxonomy database allows browsing of the taxonomy tree, which contains a classification of organisms.
taxonomy browser
https://species.wikimedia.org/wiki/Amphipyra_pyramidea
Amphipyra pyramidea - Wikispecies
wikispecies
https://species.wikimedia.org/wiki/Amphipyra_schrenckii
Amphipyra schrenckii - Wikispecies
wikispecies
https://lod.nal.usda.gov/nalt/en/page/?uri=https%3A//lod.nal.usda.gov/nalt/68240
NAL Agricultural Thesaurus: NALT: Amphipyra
nalagriculturalthesaurus
https://species.wikimedia.org/wiki/Amphipyra_tripartita
Amphipyra tripartita - Wikispecies
tripartitawikispecies