The amazing Pelecinus wasp. Public domain photo by jenthebird.

A male carpenter bee, Xylocopa micans, from Brackenridge Field Lab. New public domain image by Hannah McChesney!

A montage of new public domain images of a leafcutter bee, Trachusa cordaticeps, created by jenthebird.

A lovely Tachinid fly, Chaetogaedia crebra! New public domain image by Ken Perry.

The lovely and elusive white morpho. New public domain image by Anne Schultz!

A wasp-mimicking hover fly, Spilomyia fusca. New public domain image by Ken Perry!

Portrait of a pteromalid wasp. Public domain image by jenthebird!

Upper and lower wing surfaces of a Marpesia daggerwing from Peru. New public domain image by Anne Schultz!

Zebra Longwing! Public domain image by Alejandro Santillana

A brilliant shot of a brilliant spider wasp, Auplopus architectus. New public domain image by Jen Schlauch!

A native bee gathers pollen from a Coreopsis flower. New public domain image by @Myrmecos!

The Icosta louse fly is a parasite of raptors. New public domain image by @Myrmecos.

Just some lichen on a tree branch, no caterpillars here! New public domain image by @Myrmecos.

What's up, spider wasp? New public domain image by Jen Schlauch.

Check out these crazy bugs! It’s time for #MarchBugMadness Vote for UT Austin’s “Most Bizarre Bug” on Instagram daily thru Mar. 29. See ultimate winner on Mar. 30. txsci.net/insta #MarchMadness #insects #macrophotography #entomology #wildlifephotography

One of our most colorful North American beetles is the lovely-but-toxic Dogbane Leaf Beetle, Chrysochus auratus. New public domain image by Alejandro Santillana!

A Neoponera huntress ant makes off with an unlucky cockroach. New public domain image by Alejandro Santillana!

A spectacular frog-legged beetle from Thailand! New public domain image by Jenny Schlauch.

Portrait of a spider wasp, Aporinellus medianus. New public domain image by Jenny Schlauch!

A southern yellowjacket with hoverfly mimic. New public domain image by Larry Clay!