Fremont County, Colorado

Sphinginae subfamily

Sphingini tribe: Ceratomia amyntor WO, the Elm Sphinx or Four-horned Sphinx The upperside of the forewing is brown with dark brown and white markings including a white costal area near the wing base, dark streaks along the veins, and a white spot in the cell. edge of range Ceratomia undulosa WO, the Waved Sphinx The upperside of the forewing is pale brownish gray with wavy black and white lines and a black-outlined white cell spot. It is named for the wavy lines on the forewings. Lintneria separatus WO, the Separated Sphinx The upperside of the forewing is dark gray with black and light gray wavy lines. The upperside of the hindwing is black with a brownish gray border and two white bands. Manduca quinquemaculatus KZ, the Five-spotted Hawkmoth This large bodied moth flies in tobacco fields and vegetable gardens (potatoes, tomatoes) and wherever host plants are found. edge of range Manduca quinquemaculatus, near Canon City, July 19-20, 2009, Karen Zak Manduca sexta KZ, the Carolina Sphinx If you grow tomatoes, you may have encountered it. Larvae get very large and can strip a tomato plant. edge of range Manduca sexta larva on tomatoes, near Canon City, July 19-20, 2009, Karen Zak Sphinx asellus WO, 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. edge of range Sphinx chersis USGS, the Northern Ash Sphinx or Great Ash Sphinx Larval hosts are ash, lilac, privet, cherry, and quaking aspen. Sphinx dollii WO, 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. (possibly in western Fremont County) Sphinx drupiferarum WO, the Wild Cherry Sphinx Forewings, long and slender, are held close to the body when the moth is at rest. The costal and terminal areas of the forewing are much lighter than slate grey colouration of the rest of the wing. Sphinx gordius WO, the Apple Sphinx The upperside of the forewing ranges from brown with black borders through brownish gray with paler borders to pale gray with no borders. Dashes, submarginal line, and cell spot are usually weak. edge of range Sphinx luscitiosa WO, the Canadian Sphinx or Clemen's Sphinx Forewing upperside is yellowish gray in males and pale gray with a faint yellow tint in females (female to left). Dark border on outer margin widens as it approaches inner margin. Hw upperside is deep yellow in males, pale yellow in females, both with wide dark border. Sphinx vashti USGS, the Snowberry Sphinx, Snowberry Sphinx adults fly as a single brood in montane woodlands and along prairie streamcourses from April to August. 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 at the apex. Smerinthini Tribe: Pachysphinx modesta WO, the Modest Sphinx or Poplar Sphinx, This moth has a large, heavy body, and females can be remarkably plump. Lines are blurred, less distinct than in P. occidentalis. Pachysphinx occidentalis WO, 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. Paonias excaecata USGS, the Blinded Sphinx, The outer margin of the forewing is quite wavy. There is a dark cell spot and a dark oblique line mid wing from the costa almost to the inner margin. Basic ground colour is pinkish brown. Flight would be June-July. Paonias myops USGS, the Small-eyed Sphinx Named for the small eye-spot in the hindwing, this moth has a wide distribution. Smerinthus cerisyi WO, the Cerisyi's Sphinx or One-eyed Sphinx, Larvae feed on poplars and willows. Flight would be from late May-July-early August as a single brood. edge of range Smerinthus jamaicensis USGS, the Twin-spotted Sphinx This moth is widely distributed and fairly common. Along the East Coast, it flies from P.E.I. to Florida. It is less common in the southwest. Macroglossinae subfamily Dilophonotini tribe: Erinnyis ello WO, the Ello Sphinx This species is reported in Boulder County, but would likely only be there as a migrant stray from further south. Males and females differ. Hemaris diffinis USGS, the Snowberry Clearwing or Bumblebee Moth Hemaris diffinis is a very variable species, but almost always the abdomen sports contrasting black and yellow hairs, the ventral surface being quite black. The legs also tend to be quite dark and there is a black mask running across the eye and along the sides of the thorax. Hemaris senta, WO, Rocky Mountain Clearwing Moth These moths, possibly just a form of diffinis, have brownish-olive or olive-green heads and thoraxes. The abdomen, which has a broad yellow band, is black or olive-green above and yellow below. Their wings have a very narrow brown border and the clear parts of the wings have a steel-blue luster. Philampelini tribe: Eumorpha achemon WO, 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: Amphion floridensis WO, the Nessus Sphinix This day flier is widely distributed. If you have Virginia Creeper, you probably have the Nessus Sphinx. Two bright, distinct, narrow yellow bands are often visible on the abdomen. edge of range Darapsa myron WO, the Virginia Creeper Sphinx or the Grapevine Sphinx The forewing upperside is dark brown to pale yellowish gray, with an olive tint, sometimes quite green. On the costal margin there is a dark rectangular patch, although this may be reduced or absent. The upperside of the hindwing is pale orange. Euproserpinus wiesti WO, Prairie Sphinx or Wiest's Primrose Sphinx: Black body with white band on abdomen. FW upperside gray-brown; median area has black lines and gray band; underside white with black o. m.. Hw upperside yellowish white with narrow black o. m., black at base. Hyles lineata USGS, the White-lined Sphinx The forewing upperside is dark olive brown with paler brown along the costa and outer margin, a narrow tan band running from the wing tip to the base, and white streaks along the veins. The hindwing upperside is black with a reddish pink median band. Proserpinus juanita WO, the Juanita Sphinx The upperside of the forewing is pale gray-green with a deep green-brown median area and a white dash at the wing tip.