The Anise Swallowtail is a bold yellow-and-black butterfly of western North America, named for its larvae's fondness for plants in the carrot family including non-native anise. It is one of the few large butterflies that thrives in urban environments, nectaring in city gardens. Its caterpillar features orange and black banding and produces a pungent scent when disturbed.
Best time to see a Anise Swallowtail
The best time to see a Anise Swallowtail is April–July, when about 65% of U.S. sightings happen, based on 21,886 research-grade iNaturalist observations.
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