Striped caterpillar in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
Brown furry caterpillar eating flowers of sidra tree (Ziziphus nummularia) in on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, October 24, 2015
Caterpillar of striped hawkmoth Hyles livornica feeding on a thorny desert plant. Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
Striped Hawkmoth caterpillar (Hyles livornica) in desert. Harrarah, 40 miles south-west from Doha. Qatar, March 5, 2010
Gulf fritillary caterpillar on a palm in Old Baylor Park. Independence, Texas, October 4, 2009
Gulf fritillary caterpillar on passion flower (with a tendril) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 1, 2009
Camouflaged caterpillar of bagworm family near Novinka, 50 miles south from Saint Petersburg. Russia, June 14, 2014
Monarch caterpillar feeding on a leaf of milkweed in TAMU Holistic Garden in Texas A and M University. College Station, Texas, November 15, 2009
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
Caterpillar on a leaf in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
Gulf fritillary caterpillar on a leaf of passiflora in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 31, 2009
Black swallowtail caterpillar in dew showing its osmeterium (orange horns, forked, eversible organ behind the head) in Lick Creek Park. College Station, Texas, May 4, 2010
Flower of Aizoon hispanicum (Aizoanthemum hispanicum, local name jafna) with approaching caterpillar near Ras Laffan. Northern Qatar, February 28, 2014
Brown caterpillar eating fresh leaves of sidra tree (Ziziphus nummularia) in on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, October 24, 2015
Yellow hairy caterpillar of salt marsh moth(?) (Estigmene acrea) on Horseshoe Lake Loop Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
Tiny green caterpillar on blooming grass in desert. Harrarah, 40 miles south-west from Doha, Qatar, March 12, 2010
Salt Marsh Moth caterpillar (Estigmene acrea) in Lick Creek Park. College Station, Texas, May 13, 2010
Masses of small web caterpillars on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2010
Caterpillar on a tip of grass stalk in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 6, 2009
Monarch caterpillar in dew in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 23, 2009
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
Monarch caterpillar with mealybugs (scale insects) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, September 20, 2009
Small green caterpillar hanging on a net strand in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
Small caterpillars in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2010
Caterpillar of salt-and-pepper moth (Utetheisa lotrix) feeding on heliotropium plants in area of Ras Laffan farms. Northern Qatar, February 28, 2014
Brown caterpillar eating sidra tree (Ziziphus nummularia) in on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, October 24, 2015
Spring flowers with caterpillars in northern Beer-Sheva. The Middle East, February 24, 2001
Stick caterpillar on black-eye susan flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
White mistflower (Ageratina havanensis, Havana snakeroot) with a caterpillar in Lick Creek Park. College Station, Texas, October 19, 2008
Yellowstriped armyworm caterpillar (Spodoptera ornithogalli) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 8, 2009
Gulf fritillary caterpillars eating passion flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 27, 2009
Gulf fritillary caterpillar feeding on a leaf of passiflora in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 3, 2009
Furry caterpillar in Lick Creek Park. College Station, Texas, May 4, 2010
Middle segments of abdomen of Salt Marsh Moth caterpillar (Estigmene acrea) with fleshy feet (prolegs) covered with tiny gripping hooklets (crochets) in Lick Creek Park. College Station, Texas, May 13, 2010
Genista broom moth (Uresiphita reversalis) caterpillar eating a green pod of bluebonnet (lupinus) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 15, 2008
Brown caterpillars of Pipevine swallowtail(?) (Battus philenor) on Old Logging Trail in Jesse H. Jones Park. Humble (Houston area), Texas, April 5, 2009
Caterpillar munching Aizoon hispanicum (Aizoanthemum hispanicum, local name jafna) near Ras Laffan. Northern Qatar, February 28, 2014
Bull nettle flowers with a caterpillar(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
Gulf fritillary caterpillar feeding on a fruit of passion flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 8, 2009
Black and orange buckeye caterpillar on purple gerardia (false foxglove, Agalinis purpurea) on a shore of an island in Lake Bryan Park. Bryan, Texas, October 2, 2009
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
Tent caterpillars at CCC Loop trail in Freetown - Fall River State Forest. Massachusetts, May 9, 2004
Monarch caterpillar feeding on milkweed in TAMU Holistic Garden in Texas A and M University. College Station, Texas, November 8, 2009
Green caterpillar of tobacco hornworm (Manduca sexta) on a backpack near Piney Hill Campgrounds in Lost Pines State Park. Bastrop, Texas, November 14, 2009
Pipevine swallowtail(?) caterpillar in Antique Rose Emporium. Independence, Texas, May 7, 2011
Caterpillars in Negev Desert in northern Beer-Sheva. The Middle East, February 24, 2001
Buckeye caterpillar eating a fruit of purple gerardia (false foxglove, Agalinis purpurea) on a shore of an island in Lake Bryan Park. Bryan, Texas, October 2, 2009
Wiggling gulf fritillary caterpillar beginning to form a chrysalis in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 6, 2009
Gulf fritillary caterpillar eating passion flower on a dam on Chinquapin Trail in Huntsville State Park. Texas, October 10, 2009
Monarch caterpillar feeding on dried milkweed (Asclepias curassavica) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, December 19, 2009
Frightened caterpillar spitting green fluid in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
Caterpillar feeding on Aizoon hispanicum (Aizoanthemum hispanicum, local name jafna) near Ras Laffan. Northern Qatar, February 28, 2014
Striped Hawkmoth caterpillar (Hyles livornica) feeding on Fagonia tenuifolia(?) in area of Ras Laffan farms. Northern Qatar, February 28, 2014
Salt marsh moth (Estigmene acrea) caterpillar near a lake shore in Lake Bryan Park. Bryan, Texas, October 19, 2009
Close up of gulf fritillary caterpillar on passion flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 30, 2009
Camouflaged caterpillar of bagworm family (Lepidoptera: Psychidae, Russian name Meshochnitsa) in Menkovo, south from Saint Petersburg. Russia, June 1, 2011
Caterpillar on a twig of mountain ash (Black-veined white butterfly (Aporia crataegi)(?)) in Menkovo, south from Saint Petersburg. Russia, June 1, 2011
Salt marsh moth caterpillars feeding on passion flower on utility cutting in Lake Bryan Park. Bryan, Texas, December 4, 2012
Black and orange caterpillar of salt-and-pepper moth (Utetheisa lotrix) in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
Brown furry caterpillar of salt marsh moth(?) (Estigmene acrea) near New Horseshoe Lake in Brazos Bend State Park. Needville, Texas, April 11, 2009
Monarch caterpillar in TAMU Holistic Garden in Texas A and M University. College Station, Texas, September 27, 2009
Grey caterpillar near Oredezh River in Posiolok, 45 miles south from Saint Petersburg. Russia, June 23, 2011
Close up of salt moth caterpillar in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
Black caterpillars eating Sand button (creeping thorn rose, Neurada procumbens, local name saadan) near a road to Saudi Arabia in southern Qatar, February 11, 2014
Green worm caterpillar emerging from a clay potter s wasp nest (Eumenes) on a door frame outside of an apartment on George Bush Drive. College Station, Texas, May 3, 2009
Monarch caterpillar peeking from a leaf of milkweed in TAMU Holistic Garden in Texas A and M University. College Station, Texas, November 15, 2009
Caterpillar of black swallowtail butterfly (Papilio polyxenes) in dew in Lick Creek Park. College Station, Texas, May 4, 2010
Brown caterpillar on 69 kilometr near Sosnovo, north from Saint Petersburg. Russia, June 20, 2011
Buck moth caterpillar from an oak of Saint Charles Avenue, on a desk. New Orleans, Louisiana, May 4, 2005.
Monarch caterpillar on milkweed in TAMU Holistic Garden in Texas A and M University. College Station, Texas, November 15, 2009
Salt Marsh Moth caterpillar (Estigmene acrea) eating Indian paintbrush in Lake Bryan Park. Bryan, Texas, May 21, 2010
Goat moth caterpillar (Cossus cossus, Drevotochets Pahuchiy) near Sluditsy, north from Vyritsa, 50 miles south from Saint Petersburg. Russia, July 30, 2012
Genista broom moth (Uresiphita reversalis) caterpillars munching bluebonnet (lupinus) flowers in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 15, 2008
Salt Marsh Moth caterpillar (Estigmene acrea) feeding on Brazilian vervain (Verbena brasiliensis) in Lake Bryan Park. Bryan, Texas, May 21, 2010
Astragalus eremophilus(?) with a green caterpillar in sand near a road to Saudi Arabia in southern Qatar, February 11, 2014
Caterpillar feast on Sand button (creeping thorn rose, Neurada procumbens, local name saadan) near a road to Saudi Arabia in southern Qatar, February 11, 2014
Pipevine swallowtail(?) caterpillar in Old Baylor Park. Independence, Texas, October 4, 2009
Salt Marsh Moth caterpillar (Estigmene acrea) feeding on meadow pink in Lake Bryan Park. Bryan, Texas, May 21, 2010
Caterpillar of salt-and-pepper moth (Utetheisa lotrix) on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, February 25, 2011
Goat moth caterpillar on Dark Mullein near Sluditsy, north from Vyritsa, 50 miles south from Saint Petersburg. Russia, July 30, 2012
Furry caterpillar on woolly croton in Lick Creek Park. College Station, Texas, October 9, 2012
Caterpillar in Huntsville State Park on Chinquapin Trail. Texas, October 31, 2009
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
Small caterpillars on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2010
Yellow hairy caterpillar of Salt Marsh Moth (Estigmene acrea) on dock (Rumex) in Lick Creek Park. College Station, Texas, April 27, 2010
Black swallowtail caterpillar on a stalk of meadow parsley in Lick Creek Park. College Station, Texas, May 4, 2010
Back lit caterpillar of black-veined white butterfly (Aporia crataegi) on a twig of mountain ash in Menkovo, south from Saint Petersburg. Russia, June 1, 2011
A caterpillar in Siverskaya, 40 miles south from Saint Petersburg. Russia, July 20, 2005
Close up of monarch caterpillar in TAMU Holistic Garden in Texas A and M University. College Station, Texas, September 27, 2009
Monarch caterpillar feeding on dried milkweed killed by frost in TAMU Holistic Garden in Texas A and M University. College Station, Texas, December 19, 2009
Gulf fritillary caterpillar on Deer Run Trail in Lick Creek Park. College Station, Texas, June 8, 2010
Buck moth caterpillars collected on Saint Charles Avenue, on a book. New Orleans, Louisiana, May 2, 2006
Gulf fritillary caterpillar on passion flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 24, 2009
Gulf fritillary caterpillars on passion flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 27, 2009
Salt Marsh Moth caterpillar (Estigmene acrea) feeding on Engelmann s daisy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2010
Caterpillar of black swallowtail butterfly (Papilio polyxenes) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 29, 2010
Close up of a feeding salt marsh moth caterpillar on utility cutting in Lake Bryan Park. Bryan, Texas, December 4, 2012
Salt Marsh Moth caterpillar (Estigmene acrea) feeding on curly dock (Rumex) in Lick Creek Park. College Station, Texas, May 13, 2010
Hairy green caterpillar in Huntsville State Park. Huntsville, Texas, April 22, 2012
Caterpillar of black swallowtail butterfly (Papilio polyxenes) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 23, 2010
Red and black striped caterpillar on soft golden aster (Bradburia pilosa) in Lick Creek Park. College Station, Texas, October 17, 2010
Caterpillar on plantain in Lick Creek Park. College Station, Texas, May 10, 2012
Salt moth caterpillar in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
Feast of black caterpillars Sand button (creeping thorn rose, Neurada procumbens, local name saadan) near a road to Saudi Arabia in southern Qatar, February 11, 2014
Black caterpillars on Sand button (creeping thorn rose, Neurada procumbens, local name saadan) near a road to Saudi Arabia in southern Qatar, February 11, 2014
Striped Hawkmoth caterpillar (Hyles livornica) near a road to Zubara in north-western Qatar, February 22, 2014
Close up of Striped Hawkmoth caterpillar (Hyles livornica) near a road to Zubara in north-western Qatar, February 22, 2014
Striped Hawkmoth caterpillar (Hyles livornica) in desert near a road to Zubara in north-western Qatar, February 22, 2014
Close up of Striped Hawkmoth caterpillar (Hyles livornica) in area of Ras Laffan farms. Northern Qatar, February 28, 2014
Close up of Striped Hawkmoth caterpillar (Hyles livornica) feeding on Fagonia tenuifolia(?) in area of Ras Laffan farms. Northern Qatar, February 28, 2014
Striped Hawkmoth caterpillar (Hyles livornica) in a runnel north from Dukhan in western Qatar, March 3, 2014
Striped Hawkmoth caterpillar (Hyles livornica) on sand in a runnel north from Dukhan in western Qatar, March 3, 2014
Caterpillar feeding on Helianthemum lippii in a runnel north from Dukhan in western Qatar, March 3, 2014
Stick caterpillar near a field in Menkovo, south from Saint Petersburg. Russia, June 4, 2014
Brown caterpillar in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
Caterpillar on Passion flower (Passiflora) in Lemontree Park. College Station, Texas, July 11, 2014
Buckeye caterpillar on purple gerardia(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2014
Close up of a caterpillar feeding on flowers of fleabane daisy (Erigeron bonariensis, Conyza bonariensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Striped Hawkmoth caterpillar (Hyles livornica) eating bladder dock (Rumex vesicarius) found on roadside near IKEA supermarket. Doha, Qatar, January 24, 2015
Brown furry caterpillar taken from Ziziphus (sidra) tree in a silty depression on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, October 24, 2015
Poop, or frass (dry solid larval excrement, fecal pellets) of brown hairy caterpillars feeding on Ziziphus bushes in a silty depression on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, October 24, 2015
Web of caterpillars on common tumbleweed (Amaranthus albus) in a depression on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, November 7, 2015
Striped Hawkmoth caterpillar (Hyles livornica) in a large roadside depression near Route 77 to Ras Laffan. Qatar, February 6, 2016
Close up of a tail side of Striped Hawkmoth caterpillar (Hyles livornica) in a large roadside depression near Route 77 to Ras Laffan. Qatar, February 6, 2016
Caterpillar feeding on flowers of fleabane daisy (Erigeron bonariensis, Conyza bonariensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Yellow and black caterpillar feeding on flowers of fleabane daisy (Erigeron bonariensis, Conyza bonariensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Caterpillar eating flower of Morning glory (bindweed, Convolvulus arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Small green caterpillar on Desert spurge (summer poinsettia, Euphorbia heterophylla) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
Plant of Pulicaria guestii grown under Ziziphus bushes eaten by brown caterpillars in roadside depression near a road from Al Shahaniya to Al Samriya north-east from camel race track. Lekhraib, Qatar, December 4, 2015
Thousands of brown furry caterpillars eating leaves of Ziziphus nummularia in roadside depression near a road from Al Shahaniya to Al Samriya north-east from camel race track. Lekhraib, Qatar, December 4, 2015
Blooming plant of Pulicaria guestii with Ziziphus nummularia eaten by caterpillars in background in roadside depression near a road from Al Shahaniya to Al Samriya north-east from camel race track. Lekhraib, Qatar, December 4, 2015
Salt Marsh Moth caterpillar (Estigmene acrea) on Senecio(?) flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
Green caterpillar on flowers of wild carrot (Daucus pusillus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 21, 2018
Young web caterpillars on a Maclura tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 21, 2018
Black caterpillar with yellow stripes fallen from a tree on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, April 22, 2018
Sponge fingers slime mould Arcyria obvelata with caterpillars on rotting oak(?) in Bastrop State Park. Bastrop, Texas, October 14, 2018
Green caterpillar with a horn on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 20, 2018
Monarch caterpillar from green milkweed on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, April 21, 2019
