Mexican hat flower (Ratibida columnaris) with a caterpillar in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
Striped caterpillar in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
Salt Marsh Moth caterpillar (Estigmene acrea) on Senecio(?) flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
Field of prairie parsley (Polytaenia texana), home of many black swallowtail caterpillars, in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
Caterpillar of black swallowtail butterfly (Papilio polyxenes) in defensive pose retracting orange horns (osmeterium) and showing three pairs of front legs in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 23, 2010
Green caterpillar on flowers of wild carrot (Daucus pusillus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 21, 2018
Small caterpillars in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2010
Stick caterpillar on black-eye susan flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
Small green caterpillar hanging on a net strand in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
Small caterpillars on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2010
Masses of small web caterpillars on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2010
Disturbed caterpillar of black swallowtail butterfly (Papilio polyxenes) in defensive pose showing orange horns (osmeterium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 23, 2010
Frightened caterpillar spitting green fluid in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
Bull nettle flowers with a caterpillar(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
Caterpillar of black swallowtail butterfly (Papilio polyxenes) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 29, 2010
Caterpillar of black swallowtail butterfly (Papilio polyxenes) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 23, 2010
Close up of salt moth caterpillar in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
Salt Marsh Moth caterpillar (Estigmene acrea) feeding on Engelmann s daisy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2010
Salt moth caterpillar in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
Brown caterpillar in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
Buckeye caterpillar on purple gerardia(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2014
Young web caterpillars on a Maclura tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 21, 2018
Monarch caterpillars feeding on green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
Leaf of maypop (Passiflora foetida) with a Gulf fritillary caterpillar in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
Young leaves of of upland swamp-privet (Forestiera ligustrina)(?) eaten by some green caterpillars in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
Dark caterpillars in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
Monarch caterpillar on milkweed in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
