Butterfly #11 — Cloudless Sulpher

phoebis sennae

Monday, July 26, 1999 — 9:10 am

Pope County, Arkansas — Holla Bend National Wildlife Refuge

I visited the refuge, but did the vast majority of my wildlife watching from inside the car because it was very hot. I drove slowly down the road to the old channel following a Greater Roadrunner. On the way back, I concentrated on butterflies.

Everywhere I looked, I saw yellow ones, quite a bit larger than the sulphurs I see in Northern Illinois. They were fluttering over the road and around the trees and bushes on both sides of the road, usually pretty low. I kept watching until I saw one land on the underside of a leaf in a tree at the edge of the woods. It perched there motionlessly and was still there five minutes later when I left.

I could see a shadow of an irregular black border on the forewing. The pattern was similar to the perforation on a stamp. It had two silver spots on the underside of the hindwing. Otherwise, it was mostly pale yellow.

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