Definitions

1. noun

A subfamily of butterflies, specifically the subfamily of the family Nymphalidae, commonly known as the ‘milkweed butterflies’

“The speyeria genus of butterflies is found primarily in North America.”

2. proper noun

A genus of butterflies within the family Nymphalidae, often referred to as the ‘milkweed butterflies’

“The speyeria butterflies are native to North America.”