 Caterpillar of black swallowtail butterfly (Papilio polyxenes) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 29, 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
 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
 Caterpillar of black swallowtail butterfly (Papilio polyxenes) in dew in Lick Creek Park. College Station, Texas, May 4, 2010
 Caterpillar of black swallowtail butterfly (Papilio polyxenes) on parsley in Butterfly Garden at Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, August 5, 2021
 Caterpillar of black swallowtail butterfly (Papilio polyxenes) on a stalk of parsley in Butterfly Garden at Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, August 5, 2021
 Caterpillar of black swallowtail butterfly (Papilio polyxenes) in Lick Creek Park. College Station, Texas, April 18, 2022
 Young caterpillar of black swallowtail butterfly (Papilio polyxenes) on a stalk of parsley in Butterfly Garden at Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, August 5, 2021
 Inactive black swallowtail butterfly (Papilio polyxenes) in dew in Lick Creek Park. College Station, Texas, May 4, 2010
 Black swallowtail butterfly (Papilio polyxenes) on Post Oak Trail at morning in Lick Creek Park. College Station, Texas, June 4, 2010
 Black swallowtail butterfly (Papilio polyxenes) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, June 4, 2010
 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
 Ventral surface of Black swallowtail butterfly (Papilio polyxenes) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, June 4, 2010
 Tail part of black swallowtail butterfly (Papilio polyxenes) in Lake Bryan Park. Bryan, Texas, June 2, 2010
 Earlier instar (dark with a white saddle) of Black swallowtail caterpillar (Papilio polyxenes) on an island in Lake Bryan Park. Bryan, Texas, April 22, 2010
 Black swallowtail butterfly (Papilio polyxenes) on woodoats (Chasmanthium latifolium) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, June 4, 2010
 Tail area of wings of Black swallowtail butterfly (Papilio polyxenes) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, June 4, 2010
 Black swallowtail butterfly (Papilio polyxenes) at morning on a stalk of Slender bush clover in Lake Bryan Park. Bryan, Texas, June 2, 2010
 Black swallowtail butterfly (Papilio polyxenes) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Head of black swallowtail butterfly (Papilio polyxenes) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Close-up of a tail section of black swallowtail butterfly (Papilio polyxenes) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Stick caterpillar on black-eye susan flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Phaon(?) Crescent butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 29, 2010
 Butterfly in dew (ventral view) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 21, 2010
 Salt Marsh Moth caterpillar (Estigmene acrea) feeding on Engelmann s daisy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2010
 Common Buckeye butterfly (Junonia coenia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 29, 2010
 Variegated Fritillary (Euptoieta claudia) butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 29, 2010
 Sleeping Buckeye butterfly (Junonia coenia) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 9, 2010
 Common Buckeye butterfly (Junonia coenia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 9, 2010
 Black-eyed susan (Rudbeckia hirta) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Black-eyed susan (Rudbeckia hirta) with Scudder s Bush Katydid in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Phaon Crescent (Phyciodes phaon) butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 23, 2010
 Beebalm (Monarda punctata) and black-eyed susan (Rudbeckia hirta) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Brown caterpillar in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Salt moth caterpillar in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Close up of salt moth caterpillar in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Monarch caterpillar on milkweed in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Bull nettle flowers with a caterpillar(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
 Mexican hat flower (Ratibida columnaris) with a caterpillar in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Small green caterpillar hanging on a net strand in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Buckeye caterpillar on purple gerardia(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2014
 Striped caterpillar of white-lined sphinx moth (Hyles lineata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Green caterpillar on flowers of wild carrot (Daucus pusillus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 21, 2018
 Leaf of maypop (Passiflora foetida) with a Gulf fritillary caterpillar in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Cardinal butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 19, 2012
 Brown butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 19, 2012
 Skipper butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 7, 2011
 Butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 19, 2009
 Crescent(?) butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 7, 2011
 Buckeye butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Orange butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Close up of a butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 19, 2009
 Butterfly near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Buckeye butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 9, 2012
 Orange butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 9, 2012
 Salt Marsh Moth caterpillar (Estigmene acrea) on Senecio(?) flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 Brown butterfly near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 6, 2012
 Orange butterfly near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Checkered skipper butterfly (Pyrgus communis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 8, 2012
 Common Buckeye butterfly (Junonia coenia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Question Mark butterfly (Polygonia interrogationis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 19, 2012
 Question Mark Butterfly (Polygonia interrogationis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 8, 2012
 Common Buckeye butterfly (Junonia coenia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 19, 2012
 Question Mark butterfly (Polygonia interrogationis) on beebalm in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 19, 2012
 Gulf fritillary (Agraulis vanillae) butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
 Common Buckeye butterfly (Junonia coenia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Common Buckeye butterfly (Junonia coenia) on beebalm in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 19, 2012
 Frightened caterpillar of white-lined sphinx moth (Hyles lineata) spitting green fluid in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Cowpen daisy (Verbesina encelioides) with skipper butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 7, 2008
 Gulf fritillary (Agraulis vanillae) butterfly on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2012
 Wing texture of Gulf fritillary (Agraulis vanillae) butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
 Blooming black cherry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2022
 Black eyed susan with tachinid fly in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Bark of black willow in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Black caterpillars falling from a big live oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Black dots on a fallen oak leaf (some fungus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 15, 2024
 Black-eyed susan (Rudbeckia hirta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 17, 2014
 Black berries of mustang grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 2, 2022
 Black-eyes susan flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Black eyed susan and blue phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Rough bark of black willow in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Field of black eyed susan and Mexican hat flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 15, 2024
 Opening flower of black-eyed susan (Rudbeckia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Insects on petals of black-eyed susan in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2012
 Flowers of black eyed susan (Rudbeckia hirta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 20, 2018
 Opening flower of black-eyed susan (Rudbeckia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Black-eyed susan (Rudbeckia hirta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
 Black Eyed Susan and beebalm near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Lichens on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Blooming poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 1, 2010
 Crane fly in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 28, 2010
 Bark at the base of large black willow tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 White daisies, black eyed susan, and beebalm flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 15, 2024
 Some black and greenish scaly lichen on sandstone rocks in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Dense field of Black Eyed Susan near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Black apothecia of medallion lichen (Dirinaria confusa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Dry flowers of black eyed susan (Rudbeckia hirta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 20, 2022
 Field of black eyed susan flowers (Rudbeckia hirta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 20, 2018
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