The Two-tailed Swallowtail is Arizona’s State Butterfly — Image by kenne
“The adult butterfly (also commonly called two-tailed tiger swallowtail) has yellow
to orangish-yellow wings edged thickly with black. Each wing has 4 almost parallel stripes
(the innermost stripe is the longest, while the outermost two may simply be bars).
The hindmost part of each wing has a curved row of blue patches and below the blue
are several bars or spots of orange. Two tails extend from the rear of the hind wing,
with the innermost tail considerably shorter.”
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