Danaus plexippus and Danaid butterfly

Danaus plexippus noun - Large migratory American butterfly having deep orange wings with black and white markings; the larvae feed on milkweed.

Danaid butterfly and Danaus plexippus are semantically related. In some cases you can use "Danaid butterfly" instead a noun phrase "Danaus plexippus".

Danaid butterfly noun - Large tropical butterfly with degenerate forelegs and an unpleasant taste.

Danaus plexippus and danaid butterfly are semantically related. Sometimes you can replace phrase "Danaus plexippus" with "Danaid butterfly", this phrases are similar.