Updated as per James P. Tuttle's The Hawk Moths of North America, September 24, 2011
Updated as per BAMONA, September 24, 2011

Middlesex County, New Jersey
Sphingidae

This site has been created by Bill Oehlke at oehlkew@islandtelecom.com
Comments, suggestions and/or additional information/sightings are welcomed by Bill.

For care of "found larvae/caterpillars" visit Manduca sexta larva, central Texas, August 21, 2008, Trina Woodall.
Forty-five Sphingidae species are listed for New Jersey on the BAMONA website. Not all of the species are reported or anticipated in Middlesex County (six are reported on BAMONA as of September 24, 2011). It is hoped that this checklist, with the thumbnails and notes, will help you quickly identify the caterpillars you are likely to encounter.
A "WO" after the species name indicates that I (William Oehlke) expect that this moth is present or might be present, although unreported.
BAMONA includes Agrius cingulata, but that moth would only appear in Middlesx County as a rare stray from further south so I have not included a larval image.
Please help me develop this list with improved, documented accuracy by sending sightings (species, date, location), preferably with an electronic image, via email to Bill Oehlke.
Visit Middlesex County Sphingidae Adults: Hawkmoths; Sphinx Moths
Visit New Jersey Catocala: Underwing Moths
If you are travelling, you can find active Sphingidae checklists for all countries in North, Central, and South America and the Caribbbean via the links at North, Central, South American Sphingidae checklists

Ceratomia amyntor WO, the Elm Sphinx or Four-horned Sphinx. Caterpillars show both brown and green forms and are unmistakeable due to four horns on the thorax (near the head).
Larvae feed on Elm (Ulmus), birch (Betula), basswood (Tilia), and cherry (Prunus).

Ceratomia catalpae WO, the Catalpa Sphinx. This caterpillar is one of the few North American Sphingidae that feed in large groups. Colouration is distinctive.
The larvae are much more spectacular than the moths. Catalpa is the larval host.

Ceratomia undulosa WO, the Waved Sphinx. Note the pinkish-orange tail, spiracles outlined in red and the cream stripes on the head.
The dramatic color change from the dorsal yellow-green to the lateral light greyish-blue is not always as intense as in this image.

Dolba hyloeus BAMONA, the Pawpaw Sphinx. Note the smooth skin, blue-black horn and small black spiracles.
Pawpaw is the primary host. Littleleaf sweetfern, possum haw, inkberry, tall gallberry holly and others are also utilized.

Lapara bombycoides WO, the Northern Pine Sphinx. This caterpillar is also without the anal horn and feeds on pines. The long stripes and reddish brown afford great camouflage.

Lapara coniferarum WO, the Southern Pine Sphinx. This caterpillar is also without the anal horn and feeds on pines. The long stripes and reddish brown afford great camouflage.

Lintneria eremitus BAMONA, the Hermit Sphinx. Note triangular bump on the thorax.
Larval hosts are various species of beebalm (Monarda), mints (Mentha), bugleweed (Lycopis), and sage (Salvia).

Manduca jasminearum WO, the Ash Sphinx. Larvae feed on ash in the Fraxinus genus. Syringa and Ulmus have also been reported.
Note the black anal horn.

Manduca quinquemaculatus WO, the Five-spotted Hawkmoth. Note the solid black horn and dark spiracular rings. In addition to the white oblique lines, there are fainter white rings, especially on the back. I suspect if you grow tomatoes, you are likely to encounter it.

Manduca sexta WO, the Carolina Sphinx. Note the red horn and black dots anterior to the white oblique lines.
If you grow tomatoes, you have probably encountered it.

Paratrea plebeja WO, the Plebeian Sphinx. Larvae feed at night, hiding on the underside of stems during the day. Preferred hosts are common trumpetcreeper (Campsis radicans), Florida yellow-trumpet (Tecoma stans), lilac (Syringa species), and passionflower (Passiflora species).

Sphinx chersis WO, the Northern Ash Sphinx or Great Ash Sphinx. Note pale blue horn and the creamy-white stripes on head. The yellow form has a red horn. Larval hosts are ash, lilac, privet, cherry and quaking aspen.

Sphinx drupiferarum WO, the Wild Cherry Sphinx. Larvae hide in the day and feed primarily on cherry, plum, and apple at night. Larvae have been found on Amelanchier nantuckensis in Massachusetts and have been reared to pupation in Michigan on Prunus serotina. Note purple oblique lines.

Sphinx franckii WO, Franck's Sphinx Moth. Larvae feed exclusively on various species of ash (Fraxinus).
Raised, pointed bumps, especially near the head and thorax give this caterpillar a reptilian appearance.

Sphinx gordius WO, the Apple Sphinx. Larval hosts are apple (Malus), sweetfern (Myrica), Carolina rose (Rosa carolina), blueberry and huckleberry (Vaccinium), white spruce (Picea glauca), American larch (Larix laricina), and alder (Alnus).

Sphinx kalmiae WO, the Laurel Sphinx. In the final instar, the black on the head, lateral lines, horn and on abdominal legs is diagnostic.
Larvae feed primarily on lilac and fringe.

Smerinthini Tribe:

Amorpha juglandis WO, the Walnut Sphinx. Amorpha juglandis larvae feed upon Walnut and butternut (Juglans), hickory (Carya), alder (Alnus), beech (Fagus), hazelnut (Corylus), and hop-hornbeam (Ostrya).

Pachysphinx modesta WO, the Modest Sphinx or Poplar Sphinx. This moth is not officially recorded in Monmouth County. It is fond of poplars and willows.

Paonias astylus WO, the Huckleberry Sphinx. Blueberry and huckleberry (Vaccinium), cherries (Prunus) and willows (Salix) are the favorites as larval foodplants.

Paonias excaecata BAMONA, the Blinded Sphinx. Larvae accept willows, birches, and cherries. I have also found them in the wild on oak in eastern Canada.

Paonias myops WO, the Small-eyed Sphinx. Wild cherry species are the favorites as larval foodplants, but eggs will also be deposited on birches and other forest trees.
There are varying degrees in the amount of red markings along the sides.

Smerinthus jamaicensis WO, the Twin-spotted Sphinx. Larvae feed upon many forest trees including birches and cherries, but are expecially fond of poplars and willows. Red markings on sides vary greatly from specimen to specimen.

Macroglossinae subfamily

Dilophonotini tribe:

See Hemaris comparison to help distinguish the next three species.

Hemaris thysbe USGS, the Hummingbird Clearwing. There is also an orangey-pink prepupal form. The lateral line runs from S1 to the blue horn.
Hemaris thysbe larvae feed on viburnum and related plants.

Hemaris diffinisBAMONA, the Snowberry Clearwing or Bumblebee Moth. Larval hosts include Snowberry (Symphoricarpos), honeysuckle (Lonicera), Coralberry, viburnums, Blue Dogbane (Apocynum) and dwarf bush honeysuckle (Diervilla lonicera). Horn is black with a yellow base.

Hemaris gracilis WO, the Slender Clearwing or Graceful Clearwing. Hemaris gracilis is distinguished from similar species by a pair of red-brown bands on the undersides of the thorax, which varies from green to yellow-green dorsally and sometimes brown with white underneath. They have a red abdomen.

Philampelini tribe:

Eumorpha achemon WO, the Achemon Sphinx. Larvae feed upon Grape (Vitis), Virginia Creeper (Parthenocissus quinquefolia) and other vines and ivies (Ampelopsis). Larvae occur in both a light (green) form and a darker (tan/brown) form. Note six "segmented" oblique lines.

Eumorpha pandorus WO, the Pandorus Sphinx. If you have Grape or Virginia Creeper nearby, then you might encounter this species.
Note the five large white ovals. There are orangey-brown and green forms also.

Macroglossini tribe:

Amphion floridensis WO, the Nessus Sphinix. In additon to Virginia creeper larvae accept Grape (Vitis), ampelopsis (Ampelopsis), and cayenne pepper (Capsicum).
Larvae are green until the final instar.

Darapsa choerilus WO, the Azalea Sphinx. Larvae feed on Azalea and Viburnum and progress very rapidly. The larva to the left on Viburnum cassinoides is getting ready to pupate. Color change from green to light burgundy-brown indicates pupation is imminent.

Darapsa myron BAMONA, the Virginia Creeper Sphinx or the Grapevine Sphinx. If you have the foodplants indicated in the common names, you probably have this species nearby. The lower wings are orange. Larvae feed on Virginia creeper (Parthenocissus quinquefolia), Grape (Vitis), Ampelopsis, and Viburnum.

Darapsa versicolor WO, the Hydrangea Sphinx. Larvae feed on Smooth hydrangea (Hydrangea arborescens), buttonbush (Cephalanthus occidentalis), and waterwillow (Decodon verticillatus). Note small head which can be retracted into the thorax.

Deidamia inscriptum WO, the Lettered Sphinx. Grape (Vitis), ampelopsis (Ampelopsis), and Virginia creeper (Parthenocissus) all serve as larval hosts. The alternating yellow and greyish-green rings across the back distinguish this larva.

Hyles lineata WO, the White-lined Sphinx. Larvae are highly varied and feed on a great diversity of plants including willow weed (Epilobium), four o'clock (Mirabilis), apple (Malus), evening primrose (Oenothera), elm (Ulmus), grape (Vitis), tomato (Lycopersicon), purslane (Portulaca), and Fuschia. All larvae seem, however, to have the red/black swellings split by dorso-lateral lines.

Sphecodina abbottii WO, the Abbott's Sphinx. Larvae feed at night on grape (Vitis) and ampelopsis (Ampelopsis) and hide on the bark of their host plants during the day. Virginia creeper would also be a suitable host. There is also a dark form without the green patches. Note the "raised eye", replacing the anal horn.

Xylophanes tersa WO, the Tersa Sphinx. Larvae feed on Borreria, Catalpa and Manettia spp. and Smooth buttonplant (Spermacoce glabra) and starclusters (Pentas species). They are also recorded on joe-pie weed and Hamelia patens and on Hedoydis nigricans. The green form may be more common.

Enjoy some of nature's wonderments, giant silk moth cocoons. These cocoons are for sale winter and fall. Beautiful Saturniidae moths will emerge the following spring and summer. Read Actias luna rearing article. Additional online help available.
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Middlesex County, New Jersey Sphingidae

Ceratomia amyntor WO, the Elm Sphinx or Four-horned Sphinx. Caterpillars show both brown and green forms and are unmistakeable due to four horns on the thorax (near the head). Larvae feed on Elm (Ulmus), birch (Betula), basswood (Tilia), and cherry (Prunus).

Ceratomia catalpae WO, the Catalpa Sphinx. This caterpillar is one of the few North American Sphingidae that feed in large groups. Colouration is distinctive. The larvae are much more spectacular than the moths. Catalpa is the larval host.

Ceratomia undulosa WO, the Waved Sphinx. Note the pinkish-orange tail, spiracles outlined in red and the cream stripes on the head.The dramatic color change from the dorsal yellow-green to the lateral light greyish-blue is not always as intense as in this image.

Dolba hyloeus BAMONA, the Pawpaw Sphinx. Note the smooth skin, blue-black horn and small black spiracles. Pawpaw is the primary host. Littleleaf sweetfern, possum haw, inkberry, tall gallberry holly and others are also utilized.

Lapara bombycoides WO, the Northern Pine Sphinx. This caterpillar is also without the anal horn and feeds on pines. The long stripes and reddish brown afford great camouflage.

Lapara coniferarum WO, the Southern Pine Sphinx. This caterpillar is also without the anal horn and feeds on pines. The long stripes and reddish brown afford great camouflage.

Lintneria eremitus BAMONA, the Hermit Sphinx. Note triangular bump on the thorax. Larval hosts are various species of beebalm (Monarda), mints (Mentha), bugleweed (Lycopis), and sage (Salvia).

Manduca jasminearum WO, the Ash Sphinx. Larvae feed on ash in the Fraxinus genus. Syringa and Ulmus have also been reported. Note the black anal horn.

Manduca quinquemaculatus WO, the Five-spotted Hawkmoth. Note the solid black horn and dark spiracular rings. In addition to the white oblique lines, there are fainter white rings, especially on the back. I suspect if you grow tomatoes, you are likely to encounter it.

Manduca sexta WO, the Carolina Sphinx. Note the red horn and black dots anterior to the white oblique lines. If you grow tomatoes, you have probably encountered it.

Paratrea plebeja WO, the Plebeian Sphinx. Larvae feed at night, hiding on the underside of stems during the day. Preferred hosts are common trumpetcreeper (Campsis radicans), Florida yellow-trumpet (Tecoma stans), lilac (Syringa species), and passionflower (Passiflora species).

Sphinx chersis WO, the Northern Ash Sphinx or Great Ash Sphinx. Note pale blue horn and the creamy-white stripes on head. The yellow form has a red horn. Larval hosts are ash, lilac, privet, cherry and quaking aspen.

Sphinx drupiferarum WO, the Wild Cherry Sphinx. Larvae hide in the day and feed primarily on cherry, plum, and apple at night. Larvae have been found on Amelanchier nantuckensis in Massachusetts and have been reared to pupation in Michigan on Prunus serotina. Note purple oblique lines.

Sphinx franckii WO, Franck's Sphinx Moth. Larvae feed exclusively on various species of ash (Fraxinus). Raised, pointed bumps, especially near the head and thorax give this caterpillar a reptilian appearance.

Sphinx gordius WO, the Apple Sphinx. Larval hosts are apple (Malus), sweetfern (Myrica), Carolina rose (Rosa carolina), blueberry and huckleberry (Vaccinium), white spruce (Picea glauca), American larch (Larix laricina), and alder (Alnus).

Sphinx kalmiae WO, the Laurel Sphinx. In the final instar, the black on the head, lateral lines, horn and on abdominal legs is diagnostic.Larvae feed primarily on lilac and fringe.

Smerinthini Tribe:

Amorpha juglandis WO, the Walnut Sphinx. Amorpha juglandis larvae feed upon Walnut and butternut (Juglans), hickory (Carya), alder (Alnus), beech (Fagus), hazelnut (Corylus), and hop-hornbeam (Ostrya).

Pachysphinx modesta WO, the Modest Sphinx or Poplar Sphinx. This moth is not officially recorded in Monmouth County. It is fond of poplars and willows.

Paonias astylus WO, the Huckleberry Sphinx. Blueberry and huckleberry (Vaccinium), cherries (Prunus) and willows (Salix) are the favorites as larval foodplants.

Paonias excaecata BAMONA, the Blinded Sphinx. Larvae accept willows, birches, and cherries. I have also found them in the wild on oak in eastern Canada.

Paonias myops WO, the Small-eyed Sphinx. Wild cherry species are the favorites as larval foodplants, but eggs will also be deposited on birches and other forest trees. There are varying degrees in the amount of red markings along the sides.

Smerinthus jamaicensis WO, the Twin-spotted Sphinx. Larvae feed upon many forest trees including birches and cherries, but are expecially fond of poplars and willows. Red markings on sides vary greatly from specimen to specimen.

Macroglossinae subfamily

Dilophonotini tribe:

Hemaris thysbe USGS, the Hummingbird Clearwing. There is also an orangey-pink prepupal form. The lateral line runs from S1 to the blue horn. Hemaris thysbe larvae feed on viburnum and related plants.

Hemaris diffinisBAMONA, the Snowberry Clearwing or Bumblebee Moth. Larval hosts include Snowberry (Symphoricarpos), honeysuckle (Lonicera), Coralberry, viburnums, Blue Dogbane (Apocynum) and dwarf bush honeysuckle (Diervilla lonicera). Horn is black with a yellow base.

Hemaris gracilis WO, the Slender Clearwing or Graceful Clearwing. Hemaris gracilis is distinguished from similar species by a pair of red-brown bands on the undersides of the thorax, which varies from green to yellow-green dorsally and sometimes brown with white underneath. They have a red abdomen.

Philampelini tribe:

Eumorpha achemon WO, the Achemon Sphinx. Larvae feed upon Grape (Vitis), Virginia Creeper (Parthenocissus quinquefolia) and other vines and ivies (Ampelopsis). Larvae occur in both a light (green) form and a darker (tan/brown) form. Note six "segmented" oblique lines.

Eumorpha pandorus WO, the Pandorus Sphinx. If you have Grape or Virginia Creeper nearby, then you might encounter this species.Note the five large white ovals. There are orangey-brown and green forms also.

Macroglossini tribe:

Amphion floridensis WO, the Nessus Sphinix. In additon to Virginia creeper larvae accept Grape (Vitis), ampelopsis (Ampelopsis), and cayenne pepper (Capsicum). Larvae are green until the final instar.

Darapsa choerilus WO, the Azalea Sphinx. Larvae feed on Azalea and Viburnum and progress very rapidly. The larva to the left on Viburnum cassinoides is getting ready to pupate. Color change from green to light burgundy-brown indicates pupation is imminent.

Darapsa versicolor WO, the Hydrangea Sphinx. Larvae feed on Smooth hydrangea (Hydrangea arborescens), buttonbush (Cephalanthus occidentalis), and waterwillow (Decodon verticillatus). Note small head which can be retracted into the thorax.

Deidamia inscriptum WO, the Lettered Sphinx. Grape (Vitis), ampelopsis (Ampelopsis), and Virginia creeper (Parthenocissus) all serve as larval hosts. The alternating yellow and greyish-green rings across the back distinguish this larva.

Xylophanes tersa WO, the Tersa Sphinx. Larvae feed on Borreria, Catalpa and Manettia spp. and Smooth buttonplant (Spermacoce glabra) and starclusters (Pentas species). They are also recorded on joe-pie weed and Hamelia patens and on Hedoydis nigricans. The green form may be more common.

Middlesex County, New Jersey
Sphingidae

Ceratomia amyntor WO, the Elm Sphinx or Four-horned Sphinx. Caterpillars show both brown and green forms and are unmistakeable due to four horns on the thorax (near the head).
Larvae feed on Elm (Ulmus), birch (Betula), basswood (Tilia), and cherry (Prunus).

Ceratomia catalpae WO, the Catalpa Sphinx. This caterpillar is one of the few North American Sphingidae that feed in large groups. Colouration is distinctive.
The larvae are much more spectacular than the moths. Catalpa is the larval host.

Ceratomia undulosa WO, the Waved Sphinx. Note the pinkish-orange tail, spiracles outlined in red and the cream stripes on the head.
The dramatic color change from the dorsal yellow-green to the lateral light greyish-blue is not always as intense as in this image.

Dolba hyloeus BAMONA, the Pawpaw Sphinx. Note the smooth skin, blue-black horn and small black spiracles.
Pawpaw is the primary host. Littleleaf sweetfern, possum haw, inkberry, tall gallberry holly and others are also utilized.

Lintneria eremitus BAMONA, the Hermit Sphinx. Note triangular bump on the thorax.
Larval hosts are various species of beebalm (Monarda), mints (Mentha), bugleweed (Lycopis), and sage (Salvia).

Manduca jasminearum WO, the Ash Sphinx. Larvae feed on ash in the Fraxinus genus. Syringa and Ulmus have also been reported.
Note the black anal horn.

Manduca sexta WO, the Carolina Sphinx. Note the red horn and black dots anterior to the white oblique lines.
If you grow tomatoes, you have probably encountered it.

Sphinx franckii WO, Franck's Sphinx Moth. Larvae feed exclusively on various species of ash (Fraxinus).
Raised, pointed bumps, especially near the head and thorax give this caterpillar a reptilian appearance.

Sphinx kalmiae WO, the Laurel Sphinx. In the final instar, the black on the head, lateral lines, horn and on abdominal legs is diagnostic.
Larvae feed primarily on lilac and fringe.

Paonias myops WO, the Small-eyed Sphinx. Wild cherry species are the favorites as larval foodplants, but eggs will also be deposited on birches and other forest trees.
There are varying degrees in the amount of red markings along the sides.

Hemaris thysbe USGS, the Hummingbird Clearwing. There is also an orangey-pink prepupal form. The lateral line runs from S1 to the blue horn.
Hemaris thysbe larvae feed on viburnum and related plants.

Eumorpha pandorus WO, the Pandorus Sphinx. If you have Grape or Virginia Creeper nearby, then you might encounter this species.
Note the five large white ovals. There are orangey-brown and green forms also.

Amphion floridensis WO, the Nessus Sphinix. In additon to Virginia creeper larvae accept Grape (Vitis), ampelopsis (Ampelopsis), and cayenne pepper (Capsicum).
Larvae are green until the final instar.