Four-footed butterfly and Polygonia comma

Four-footed butterfly noun - Medium to large butterflies found worldwide typically having brightly colored wings and much-reduced nonfunctional forelegs carried folded on the breast.

Polygonia comma and four-footed butterfly are semantically related. In some cases you can replace phrase "Polygonia comma" with "Four-footed butterfly", this phrases are similar.

Polygonia comma noun - Anglewing butterfly with a comma-shaped mark on the underside of each hind wing.

Four-footed butterfly and Polygonia comma are semantically related. You can use "Four-footed butterfly" instead a noun phrase "Polygonia comma".