Designates the Black Swallowtail as the official butterfly of Massachusetts in honor of William P. Callahan III.

The bill designates the Black Swallowtail, scientifically known as Papilio polyxenes, as the official butterfly of the Commonwealth of Massachusetts. This designation recognizes the butterfly's role as a pollinator and its significance as a symbol of the state's natural beauty and agricultural history. The bill honors William P. Callahan III, a lifelong Massachusetts resident and avid butterfly enthusiast who passed away from cancer in 2021. The Black Swallowtail, with its distinctive black wings and yellow spots, is a common sight in meadows, gardens, and urban areas across the state.

Designates the Black Swallowtail as the official butterfly of Massachusetts in honor of William P. Callahan III.

The bill designates the Black Swallowtail, scientifically known as Papilio polyxenes, as the official butterfly of the Commonwealth of Massachusetts. This designation recognizes the butterfly's role as a pollinator and its significance as a symbol of the state's natural beauty and agricultural history. The bill honors William P. Callahan III, a lifelong Massachusetts resident and avid butterfly enthusiast who passed away from cancer in 2021. The Black Swallowtail, with its distinctive black wings and yellow spots, is a common sight in meadows, gardens, and urban areas across the state.