Sphinginae subfamily
Sphingini tribe:
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This large bodied moth flies in tobacco fields and vegetable gardens
(potatoes, tomatoes) and wherever host plants are found. |
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Sphinx chersis WO, 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 of which reaches the wing tip. |
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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. |
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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:
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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. |
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Smerinthus cerisyi WO, 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.
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Macroglossinae subfamily
Dilophonotini tribe
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Hemaris thysbe USGS, the Hummingbird Clearwing,
Many gardeners mistake this moth for a small hummingbird as it
hovers, sipping nectar from flowers through a long feeding tube.
Flight is probably from late May-July and possibly again in the fall.
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Hemaris diffinis USGS, the Snowberry Clearwing or Bumblebee 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. |
Macroglossini tribe
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Hyles gallii WO, the Bedstraw Hawk Moth or Gallium Sphinx
Larvae feed on Epilobium angustifolium and Galium. I expect
flight is late May-July with a possible fall flight as well. |
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Hyles lineata USGS, the White-lined Sphinx
Adults usually fly at dusk, during the night, and at dawn, but they
also fly during the day over a wide variety of open habitats
including deserts, suburbs, and gardens. |
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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. |
 | Proserpinus flavofasciata adults fly from
April-June in meadows in coniferous forests. Adults fly during the
afternoon, nectaring from lilac, dandelion, cherry, etc. |
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