Updated as per James P. Tuttle's The Hawk Moths of North America, July 2010
Updated as per Butterflies and Moths of North America, formerly USGS, July 2010

Lander County, Nevada

Sphingidae

This site has been created by Bill Oehlke.
Comments, suggestions and/or additional information/sightings with images are welcomed by Bill.
Eighteen Sphingidae species are listed for Nevada on the U.S.G.S. website. Not all of the species are reported or anticipated in Lander County (Ten are reported on U.S.G.S. as of July 2010).
It is hoped that this checklist, with the thumbnails and notes, will help you quickly identify the moths 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. A "USGS" indicates the moth is confirmed on USGS site.
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 Nevada Catocala: Underwing Moths.
Visit Clark County Sphingidae Larvae for Sphingidae larvae (caterpillars) expected in Nevada.
If you are travelling outside the state or country, visit Sphingidae of the Americas: pictoral checklists for all USA states, all Canadian provinces, Mexico and all coutries in Central and South America.

Sphinginae subfamily

Sphingini tribe:

Agrius cingulata WO; unlikely
This species has not been reported in your county, but may be there as a very rare stray.
The moth is a very strong flier and is frequently encountered far north of its usual range.

Manduca quinquemaculatus USGS, the Five-spotted Hawkmoth
This large bodied moth flies in tobacco fields and vegetable gardens (potatoes, tomatoes) and wherever host plants are found.

Manduca sexta WO, unlikely, the Carolina Sphinx. Fw upperside has indistinct black, brown, and white markings. Hw upperside is banded with black and white and has two black zigzag median lines that are very close together with hardly any white showing between them. Fw fringes are spotted with white.

Sphinx asellus USGS, the Asella sphinx
The upperside of the forewing is pale silver-gray with a series of black dashes, a white patch at the tip, and a white stripe along the outer margin. The upperside of the hindwing is black with blurry white bands.

Sphinx chersis USGS, the Northern Ash Sphinx or Great Ash Sphinx
The upperside of the forewing is soft dark-gray to blue-gray with a series of black dashes, one reaching the wing tip. Note grey thorax with narrow black lines.

Sphinx dollii USGS, the Doll's sphinx
Sphinx dollii (Wing span: 1 3/4 - 2 1/2 inches (4.5 - 6.3 cm)), flies in arid brushlands and desert foothills from Nevada and southern California east through Utah, Arizona, Colorado, and New Mexico to Oklahoma and Texas.

Sphinx drupiferarum WO, the Wild Cherry Sphinx
Forewings, long and slender, are held close to the body when the moth is at rest. I only see them occasionally on P.E.I. despite visiting lights frequently. Hence they may be present, but seldom seen.

Sphinx perelegans WO, unlikely stray, the Elegant Sphinx. Sphinx perelegans adults fly in montane woodlands and mixed chaparral-type vegetation as a single brood in the north, with adults mainly on the wing in June and July. It flies from dusk until after midnight. Note dark thorax.

Sphinx vashti USGS, the Snowberry Sphinx
The upperside of the forewing has a narrow black subterminal line bordered by a white inverted V-shaped line on the outside, and a black line running inwards from the apex of the wing.
It is most often found in montane woodlands and along streamcourses.

Smerinthini Tribe:

Pachysphinx occidentalis USGS, the Big Poplar Sphinx
This one is quite similar to Pachysphinx modesta, with modesta being smaller and darker.
Moths should be on the wing from June-August.

Smerinthus cerisyi USGS, the Cerisyi's Sphinx or One-eyed Sphinx,
Larvae feed on poplars and willows.
Flight would be from late May-July as a single brood.

Paonias myops USGS, the Small-eyed Sphinx
This small species is probably present in your county. This species ranges across North America.
The hindwings have a small blue eyespot ringed with black on a yellow background.

Macroglossinae subfamily

Dilophonotini Tribe:

Hemaris thetis USGS, the Thetis Clearwing or Bee Hawk Moth,
The moth flies along forest edges and in meadows, gardens and brushy fields. Day-flying adults nectar at lantana, dwarf bush honeysuckle, snowberry, orange hawkweed, thistles, lilac, Canada violet, etc.

Philampelini Tribe:

Eumorpha achemon WO, very unlikely, the Achemon Sphinx. Adults nectar from flowers of Japanese honeysuckle (Lonicera japonica), petunia (Petunia hybrida), mock orange (Philadelphus coronarius), and phlox (Phlox). Fight would be from June to August. Larvae feed on grape foliage.

Macroglossini Tribe:

Euproserpinus wiesti WO, Wiest's Primrose Sphinx
Euproserpinus wiesti adults fly, during the day, over sand washes and prairie blow-outs as a single brood from May-June.

Euproserpinus phaeton, the Phaeton Primrose Sphinx, WO
Adults nectar at flowers during the warm parts of the day.
Euproserpinus phaeton adults fly swiftly and close to the ground over dry washes and flat areas in deserts as a single brood from February-April.

Hyles lineata USGS, the White-lined Sphinx
Adults usually fly at dusk, during the night, at dawn, and during the day. Moths nectar at a number of different flowers and oviposit on Epilobium cana (California fuchsia) and Hooker's Evening Primrose.

Proserpinus clarkiae WO, Clark's Sphinx. Adults fly in the afternoon from April-June in oak woodland and pine-oak woodland in foothills, nectaring from chia, heartleaf milkweed, golden currant, bluedicks, fairyfans, vetches, thistles, hedgenettles, etc.

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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Lander County, Nevada

Sphingidae

Sphinginae subfamily

Sphingini tribe:

Agrius cingulata WO; unlikely This species has not been reported in your county, but may be there as a very rare stray. The moth is a very strong flier and is frequently encountered far north of its usual range.

Manduca quinquemaculatus USGS, the Five-spotted Hawkmoth This large bodied moth flies in tobacco fields and vegetable gardens (potatoes, tomatoes) and wherever host plants are found.

Sphinx asellus USGS, the Asella sphinx The upperside of the forewing is pale silver-gray with a series of black dashes, a white patch at the tip, and a white stripe along the outer margin. The upperside of the hindwing is black with blurry white bands.

Sphinx chersis USGS, the Northern Ash Sphinx or Great Ash Sphinx The upperside of the forewing is soft dark-gray to blue-gray with a series of black dashes, one reaching the wing tip. Note grey thorax with narrow black lines.

Sphinx dollii USGS, the Doll's sphinx Sphinx dollii (Wing span: 1 3/4 - 2 1/2 inches (4.5 - 6.3 cm)), flies in arid brushlands and desert foothills from Nevada and southern California east through Utah, Arizona, Colorado, and New Mexico to Oklahoma and Texas.

Sphinx drupiferarum WO, the Wild Cherry Sphinx Forewings, long and slender, are held close to the body when the moth is at rest. I only see them occasionally on P.E.I. despite visiting lights frequently. Hence they may be present, but seldom seen.

Sphinx perelegans WO, unlikely stray, the Elegant Sphinx. Sphinx perelegans adults fly in montane woodlands and mixed chaparral-type vegetation as a single brood in the north, with adults mainly on the wing in June and July. It flies from dusk until after midnight. Note dark thorax.

Sphinx vashti USGS, the Snowberry Sphinx The upperside of the forewing has a narrow black subterminal line bordered by a white inverted V-shaped line on the outside, and a black line running inwards from the apex of the wing. It is most often found in montane woodlands and along streamcourses.

Smerinthini Tribe:

Pachysphinx occidentalis USGS, the Big Poplar Sphinx This one is quite similar to Pachysphinx modesta, with modesta being smaller and darker. Moths should be on the wing from June-August.

Smerinthus cerisyi USGS, the Cerisyi's Sphinx or One-eyed Sphinx, Larvae feed on poplars and willows. Flight would be from late May-July as a single brood.

Paonias myops USGS, the Small-eyed Sphinx This small species is probably present in your county. This species ranges across North America. The hindwings have a small blue eyespot ringed with black on a yellow background.

Macroglossinae subfamily

Dilophonotini Tribe:

Hemaris thetis USGS, the Thetis Clearwing or Bee Hawk Moth, The moth flies along forest edges and in meadows, gardens and brushy fields. Day-flying adults nectar at lantana, dwarf bush honeysuckle, snowberry, orange hawkweed, thistles, lilac, Canada violet, etc.

Philampelini Tribe:

Eumorpha achemon WO, very unlikely, the Achemon Sphinx. Adults nectar from flowers of Japanese honeysuckle (Lonicera japonica), petunia (Petunia hybrida), mock orange (Philadelphus coronarius), and phlox (Phlox). Fight would be from June to August. Larvae feed on grape foliage.

Macroglossini Tribe:

Euproserpinus wiesti WO, Wiest's Primrose Sphinx Euproserpinus wiesti adults fly, during the day, over sand washes and prairie blow-outs as a single brood from May-June.

Euproserpinus phaeton, the Phaeton Primrose Sphinx, WO Adults nectar at flowers during the warm parts of the day. Euproserpinus phaeton adults fly swiftly and close to the ground over dry washes and flat areas in deserts as a single brood from February-April.

Hyles lineata USGS, the White-lined Sphinx Adults usually fly at dusk, during the night, at dawn, and during the day. Moths nectar at a number of different flowers and oviposit on Epilobium cana (California fuchsia) and Hooker's Evening Primrose.

Proserpinus clarkiae WO, Clark's Sphinx. Adults fly in the afternoon from April-June in oak woodland and pine-oak woodland in foothills, nectaring from chia, heartleaf milkweed, golden currant, bluedicks, fairyfans, vetches, thistles, hedgenettles, etc.

Agrius cingulata WO; unlikely
This species has not been reported in your county, but may be there as a very rare stray.
The moth is a very strong flier and is frequently encountered far north of its usual range.

Manduca quinquemaculatus USGS, the Five-spotted Hawkmoth
This large bodied moth flies in tobacco fields and vegetable gardens (potatoes, tomatoes) and wherever host plants are found.

Sphinx asellus USGS, the Asella sphinx
The upperside of the forewing is pale silver-gray with a series of black dashes, a white patch at the tip, and a white stripe along the outer margin. The upperside of the hindwing is black with blurry white bands.

Sphinx chersis USGS, the Northern Ash Sphinx or Great Ash Sphinx
The upperside of the forewing is soft dark-gray to blue-gray with a series of black dashes, one reaching the wing tip. Note grey thorax with narrow black lines.

Sphinx dollii USGS, the Doll's sphinx
Sphinx dollii (Wing span: 1 3/4 - 2 1/2 inches (4.5 - 6.3 cm)), flies in arid brushlands and desert foothills from Nevada and southern California east through Utah, Arizona, Colorado, and New Mexico to Oklahoma and Texas.

Sphinx drupiferarum WO, the Wild Cherry Sphinx
Forewings, long and slender, are held close to the body when the moth is at rest. I only see them occasionally on P.E.I. despite visiting lights frequently. Hence they may be present, but seldom seen.

Sphinx vashti USGS, the Snowberry Sphinx
The upperside of the forewing has a narrow black subterminal line bordered by a white inverted V-shaped line on the outside, and a black line running inwards from the apex of the wing.
It is most often found in montane woodlands and along streamcourses.

Pachysphinx occidentalis USGS, the Big Poplar Sphinx
This one is quite similar to Pachysphinx modesta, with modesta being smaller and darker.
Moths should be on the wing from June-August.

Smerinthus cerisyi USGS, the Cerisyi's Sphinx or One-eyed Sphinx,
Larvae feed on poplars and willows.
Flight would be from late May-July as a single brood.

Paonias myops USGS, the Small-eyed Sphinx
This small species is probably present in your county. This species ranges across North America.
The hindwings have a small blue eyespot ringed with black on a yellow background.

Hemaris thetis USGS, the Thetis Clearwing or Bee Hawk Moth,
The moth flies along forest edges and in meadows, gardens and brushy fields. Day-flying adults nectar at lantana, dwarf bush honeysuckle, snowberry, orange hawkweed, thistles, lilac, Canada violet, etc.

Euproserpinus wiesti WO, Wiest's Primrose Sphinx
Euproserpinus wiesti adults fly, during the day, over sand washes and prairie blow-outs as a single brood from May-June.

Euproserpinus phaeton, the Phaeton Primrose Sphinx, WO
Adults nectar at flowers during the warm parts of the day.
Euproserpinus phaeton adults fly swiftly and close to the ground over dry washes and flat areas in deserts as a single brood from February-April.

Hyles lineata USGS, the White-lined Sphinx
Adults usually fly at dusk, during the night, at dawn, and during the day. Moths nectar at a number of different flowers and oviposit on Epilobium cana (California fuchsia) and Hooker's Evening Primrose.