Timber Rattlesnake Found on a Hike

Salt is actually a rare resource in most of nature. Many insects, such as this flower fly, are acquire salt primarily from vertebrate bodies, such as urine, sweat, or tears. Here, this fly is lapping sweat from the arm of an entomologist who appreciates its beauty. Female tiny parasitic wasp (Eupelmidae) with an interesting jumping…

This is a mournfulthyrsi, a colorful, day-flying moth found in forests throughout the eastern US. As caterpillars, they feed only on the leaves ofgreenbrier (Smilax), a thorny vine that often irritates hikers. It’s fun to associate an attractive day-flying moth like this with the thorny plant that many curse. European hornet (Vespa crabo) flying back…