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Dark phase Eastern Tiger swallowtail

Papilio glaucus

Description:

The wingspan ranges from 7.9 to 14 cm (3.1 to 5.5 in)[4] with females being the larger sex. Southern individuals are larger than northern ones.[5] Males are yellow with four black "tiger stripes" on each fore wing. The outer edge of the fore wing is black with a row of yellow spots. The veins are marked with black. The postmedian area of the hind wing is black with yellow spots along the margin. The inner margin of the hind wing has small red and blue spots. The ventral fore wing margin has a yellow bar that is broken into spots. This broken bar is present in both sexes, and is used to distinguish P. glaucus from its close relatives.[6] Females are dimorphic. The yellow morph differs from the male in having a blue postmedian area on the dorsal hind wing. In the dark morph, the areas that are normally yellow are replaced with dark gray or black. The bluish postmedian area on the ventral hind wing has one row of orange spots.[7] A shadow of the "tiger stripes" can be seen on the underside of some dark females.[6] (From Wikipedia, see link)

Habitat:

Found in West Central Georgia - backyard butterfly bush (the Eastern Swallowtails have been loving it!)

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2 Comments

momsavang
momsavang 7 years ago

Thank you @Forest Dragon. I don't always have time to add details while I'm uploading (my internet connection is pretty awful and I'm chasing kids as much as I'm chasing bugs.) I'm trying to improve my descriptions, tags, ID's etc now that I'm more familiar with the Project Noah platform :) I appreciate all your help with ID's!

ForestDragon
ForestDragon 7 years ago

Nice find! Since you know the identity of your butterfly, please add the scientific name. It would be great if you could add some information in the description and habitat sections as well, to make your spotting complete. :-)

momsavang
Spotted by
momsavang

Georgia, USA

Spotted on Jul 21, 2016
Submitted on Jul 23, 2016

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