Fig 20 - uploaded by Chuck Sexton
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The rare pseudoam ericus yellow form of Black Swallowtail nectaring on firecrackerbush. This individual was the cause of much confusion and discussion on iNaturalist. It is not the "Desert" subspecies of Black Swallowtail; more northerly commenters were trying to make it into an Old W orld Swallowtail. W indow View Trail, Chisos Basin.
Source publication
This article reports on a wildfire, exceptional Spring rains, and butterfly abundance in the Chisos Mountains in an "extraordinary year" in Big Bend National Park.
S. Lepidopterists' News 43(4):335-342
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