For a checklist of butterflies and moths of Edwards County, you can visit this online regional checklist at Butterflies and Moths of North America. At the time I wrote this post, there were 73 species on the list.
You can click on the pictures to see them larger.
Skippers
Swallowtails
Black Swallowtail
Papilio polyxenes
Black Swallowtail
Whites and Sulphurs
Sleepy Orange
Abaeis nicippe
Sleepy Orange. Other sulphur butterflies have definite white dots on wings, Sleepy Orange does not.
Gossamer-wing Butterflies
Metalmarks
Brush-footed Butterflies
American Snout
Libytheana carinenta
American Snout.
Monarch
Danaus plexippus
Monarch, Danaus plexippus.
Queen
Danaus gillipus
Queen, darker orange than Monarch, and does not have prominent black veins on upper wings.
Gulf Fritillary
Agraulis vanillae
Gulf Fritillary, has large silver spots on bottoms of wings.
Variegated Fritillary
Euptoita claudia
Variegated Fritillary.
Arizona Sister
Adelpha eulalia
Arizona Sister.
Common Buckeye
Junonia coenia
Common Buckeye.