2022年2月22日 · The bright orange markings on adult and larval California pipevine swallowtails serve to warn predators of their toxicity. Many butterflies have mimics, including other swallowtails, but not the California pipevine swallowtail.

2016年7月6日 · For centuries, the California pipevine swallowtail — or, Battus philenor hirsuta — called San Francisco home. As development increased in the early 20th century, the butterfly slowly...

Battus philenor, the pipevine swallowtail or blue swallowtail, [3] [4] is a swallowtail butterfly found in North America and Central America. This butterfly is black with iridescent-blue hindwings. They are found in many different habitats, but are most commonly found in forests. [5]

Battus philenor hirsuta, the California pipevine swallowtail or hairy pipevine swallowtail, is a subspecies of the pipevine swallowtail that is endemic to Northern California in the United States.

California Pipevine Swallowtail (Battus philenor hirsuta) is a large butterfly, with a wingspan of 2.75 to 5 inches. It can be seen from March to November. Numbers peak in April, with a secondary peak in July. Host plants are Pipevines; in California, we have only one native Pipevine, California Pipevine (Aristolochia californica).

2024年2月22日 · The California Pipevine Swallowtail, a distinct subspecies of the Pipevine Swallowtail, is a unique butterfly native to Northern California, USA. Known for its striking colors and specific habitat preferences, this species plays a significant role in the region’s biodiversity.

Before the 20th century in San Francisco, beautiful iridescent blue California pipevine swallowtail butterflies were found flying around all over the place. Unfortunately, as development grew the butterflies began to fade away.

The California Pipevine Swallowtail butterflies will start emerging from their pupas and gather around California pipevine plants to create a new generation sometime in March. Last March, temperatures were low.

2017年5月12日 · Wong, who has been raising butterflies since childhood, has dedicated a large chunk of his backyard to the pipevine swallowtails, building a large, screened enclosure filled with native plants...

The Pipevine Swallowtail flies from late winter (February-March) to autumn (October, occasionally November) but is much more numerous before the 4th of July than later; typically it has two large flights followed by stragglers the rest of the season, often with a "blip" upward in August.