Josephine County, Oregon
Sphingidae Larvae

This page is inspired by and dedicated to Edna Bottorff of Wolf Creek, Josephine County, Oregon, who sent me the image of the Paonias excaecata larva at top of the page. Edna was able to get it to pupate, successfully overwinter, and emerge as an adult moth in June 2009.

Edna has sent many sightings from Josephine County, and, during spring and summer of 2009, has been rearing and photographing larvae of Sphinx sequoiae. See the sequoiae file for beautiful images of adult moths, eggs and first to fifth instar larvae. We congratulate her on successful rearing from egg to mature larva.

For care of "found larvae/caterpillars" visit Manduca sexta larva, central Texas, August 21, 2008, Trina Woodall.

Only twenty-three Sphingidae species are listed for Oregon on the U.S.G.S. website. Not all of the species are reported or anticipated in Josephine County. It is hoped that this checklist, with the thumbnails and notes, will help you quickly identify the larvae you are likely to encounter. A "WO" after the species name indicates that I have no confirmed reports of this species in your county, but I (William Oehlke) expect that this moth with its larvae are present or might be present.

A "USGS" indicates the moth is reported in Lepidoptera of North America, #1. Distribution of Silkmoths (Saturniidae) and Hawkmoths (Sphingidae) of Eastern North America, an excellent little booklet available through Paul Opler.

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.

Sphinginae subfamily Sphingini tribe: Manduca quinquemaculatus USGS, the Five-spotted Hawkmoth The caterpillars are called Tomato Hornworms and each has a black horn at the end of the abdomen. Larvae feed on potato, tobacco, tomato, and other plants in the nightshade family (Solanaceae). Sphinx chersis WO/EB, the Northern Ash Sphinx or Great Ash Sphinx: The larvae are pale bluish green. The head has a pair of yellow lateral bands meeting at the apex. The oblique, lateral stripes are pale and bordered anteriorly with a darker green. 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 perelegans USGS/EB, the Elegant Sphinx: The basic body colour can be either glaucous or apple-green, without the earlier body tubercles. The oblique side stripes are white, edged with purple. The horn is sky blue. The spiracles are pale orange and the anal flap is edged with yellow. Sphinx perelegans larva, border between Douglas and Josephine counties, October 20, 2009, Edna Bottorff Sphinx sequoiae USGS/EB, the Sequoiae Sphinx: Larvae feed on California juniper (Juniperus californica) and Rocky Mountain juniper (J. osteosperma). Sphinx vashti WO, the Snowberry Sphinx Larvae feed on the common snowberry (Symphoricarpos albus) and on coralberry (S. orbiculatus). Note the two golden lines of slightly raised bumps, one just behind the head, the other on the thorax. Smerinthini Tribe: Pachysphinx modesta USGS, the Modest Sphinx or Poplar Sphinx This moth is officially recorded in Josephine County. Larvae are fond of poplars and willows. Pachysphinx occidentalis USGS, the Big Poplar Sphinx Larvae feed on cottonwood and poplar (Populus) and willow (Salix). Larvae are very chunky with little to distinguish them from Pachysphinx modesta. Paonias excaecata USGS/EB, the Blinded Sphinx Larvae accept willows, birches, and cherries. I have also found them in the wild on oak in eastern Canada. Edna Bottorff found one on apple in Wolf Creek, Josephine County, Oregon. Skin is quite granulous. Smerinthus cerisyi USGS, Cerisy's Sphinx; Cerisyi larvae greatly resemble modesta larvae, both being pale green, with granular skin, pale lateral diagonal lines, faint red spiracular circles, and very pale longitudinal lines running from the head to a more pronounced anal diagonal line. Larvae have green heads bounded dorsally with a pale yellow inverted "V". Macroglossinae subfamily Dilophonotini tribe: Hemaris thetis WO/EB, Larval host plants include Snowberry (Symphoricarpos), honeysuckle (Lonicera), Coralberry, viburnums, high bush cranberry and hawthorn (Crataegus). Horn is black with a slightly lighter base. This western species was formerly classified as H. diffinis or H. senta. Those species west of the Continental Divide are now classified as H. thetis. Philampelini tribe: Eumorpha achemon USGS/EB, 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. Macroglossini tribe: Arctonotus lucidus USGS, the Pacific Green Sphinx or Bear Sphinx Larvae feed on evening primrose (Oenothera dentata var. campestris) and clarkias. David Wikle fed them on both Mexican evening primrose, Oenothera berlandieri and evening primrose, Oenothera biennis. Earlier instars are green. Eye at dorsal posterior appears in fifth instar. Hyles lineata WO/EB, 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. Proserpinus clarkiae WO, Clark's Sphinx, Larvae feed on elegant fairyfan (Clarkia unguiculata) in the evening primrose family (Onagraceae). Proserpinus flavofasciata WO, Yellow-banded Day Sphinx, Larvae feed on willow weed (Epilobium) and possibly thimbleberry (Rubus parviflorus).

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