Maybe not the smallest of creatures, but surely these are the smallest of butterflies, on my fingertip for scale.
The first two are a North American Euphilotes sp. and Brephidium exilis. The latter is often considered the smallest butterfly in the world, although I found the Omani Freyeria trochylus, in the third and fourth photos, was even smaller.
Yes, they enjoy the minerals in the sweat on our skin. But these are so tiny and lightweight that you hardly even notice their presence on your finger.
Nice picture! Some ants tend aphids kind of like livestock. The ants collect the aphids’ honeydew and protect them from other insects. This looks like a prime capture of that symbiotic behavior.
Coenisia are a genus of unassuming looking small flies, a little smaller than house flies but they’re ferocious predators. Which makes this tiny wasp prey even smaller.
One time, we found a box turtle in our backyard with little Homidia Socia springtails climbing all over it! (I made separate observations for the turtle and for the springtails)