The wingspan ranges from 7.9 to 14 cm (3.1 to 5.5 in) with females being the larger sex. Southern individuals are larger than northern ones. Males are yellow with four black "tiger stripes" on each forewing. The outer edge of the … See more

P. glaucus is found in the eastern United States from southern Vermont to Florida west to eastern Texas and the Great Plains. … See more

The butterfly may have one or two generations in the north, while southern areas may have three. Time duration for various stages is as follows:
• Egg … See more

• Two-tailed swallowtail
• Western tiger swallowtail
• Canadian tiger swallowtail See more

The first known drawing of a North American butterfly was of an eastern tiger swallowtail. It was drawn by John White in 1587, during Sir Walter Raleigh's third expedition to Virginia. White named his drawing "Mamankanois" which is believed to be a See more

Eastern tiger swallowtails are diurnal, and are usually solitary. Adults are known to fly high above the ground, usually seen above the tree canopy. Males seek females by patrolling habitats containing the larval host plants. During courtship, the male and female … See more

The first three instars of the caterpillar are bird dropping mimics, coloration that helps protect it from predators. In later instars, the eyespots on the thorax serve to deter birds. … See more