Photo: Diane Edwardson, September 7, 2015. Giant Swallowtails are seemingly everywhere in the Red Car Neighborhood. They are particularly attracted to pink and red varieties of bougainvillea. (Click on photos to enlarge.)
Photo: Diane Edwardson, September 7, 2015. Giant Swallowtails are the largest butterfly in the United States, and their bold black and yellow patterned wings make them all the more eye-catching.
Photo: Diane Edwardson, September 7, 2015. Last summer was the first time I'd ever seen Giant Swallowtails, but only occasionally. This year, they're practically common, but no less spectacular flying by.
Their larval food plants are citrus trees. To everyone who took advantage of those free citrus tree giveaways, thank you for encouraging the population growth of this spectacular butterfly.
Learn more: What's That Bug?
Butterflies and their larval food plants (UCI)
Butterflies of Orange County (UCI)
Bug Guide