Sphinginae subfamily
 Sphingini tribe:
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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.
Larvae feed on Elm (Ulmus), birch (Betula), basswood (Tilia), and 
cherry (Prunus). |   
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The upperside of the forewing is pale brownish gray with wavy black 
and white lines and a black-outlined white cell spot. The upperside 
of the hindwing is gray with diffuse darker bands.
  
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The upperside of the forewing is dark brown with a dusting of white 
scales. Some moths have patches of reddish or yellowish brown on the 
wings.
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  | The upperside of the forewing is gray with heavy black bands. The upperside of 
the hindwing is brownish gray with no markings.
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Lintneria eremitus
 WO, the 
Hermit Sphinx 
The upperside of the forewing is gray-brown with wavy lines, 
black dashes, and one or two small white spots near the center of 
the costa. The upperside of the hindwing is black with two white 
bands and a triangular black patch at the base. Note the golden hair 
on the thorax.
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Manduca quinquemaculata 
 WO, 
the Five-spotted Hawkmoth, 
The moth abdomen usually has five but sometimes six pairs of 
yellow bands. The upperside of the forewing is blurry brown and 
gray. The upperside of the hindwing is banded with brown and white 
and has two well-separated median zigzag bands. 
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If you grow tomatoes, you have probably encountered Manduca sexta 
in the larval stage. 
Larvae get very large and can strip a tomato plant. (generally more southerly; unlikely)
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  | The upperside of the forewing is gray with indistinct black and 
white markings. There is a series of black dashes 
from the base to the tip, and a small white cell spot.  (generally more southerly; unlikely)
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Sphinx canadensis 
 WO, 
Sphinx canadensis, the Canadian Sphinx, is not common, and is not
 often reported anywhere, but it might possibly be present in Washington County.
Larval hosts are white ash (Fraxinus americana) and blueberry 
(Vaccinium). 
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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. The upperside of the hindwing is black with blurry pale gray bands.
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Forewings, long and slender, are held close to the body when the 
moth is at rest.
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 Colouration and markings are highly variable from one specimen to another. 
The fringes on forewing are mostly black with some white; those on 
the hindwing are mostly white with a few black patches.
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The lower forewings are predominantly brownish-yellow with a fairly 
wide dark bar along the inner margin. At rest the wings hug the 
body, giving the moth a long slender look.
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Sphinx luscitiosa  
 WO, 
the Canadian Sphinx or Clemen's Sphinx  
The upperside of the forewing is yellowish gray in males and pale gray with a faint yellow tint in females. In both sexes, the dark border on the outer margin 
widens as it approaches the inner margin.
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If you have blueberries in the woods, then you probably have the 
Poecila Sphinx.
They are pretty common here on Prince Edward Island, and 
I suspect would be present around blueberry fields in Washington County.  |   
Smerinthini Tribe:
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Amorpha juglandis 
 WO, the Walnut Sphinx 
The adults are also highly variable; sometimes wings of an individual may be all one color or may have several colors, ranging from pale to dark brown, 
and may have a white or pink tinge.
This is the first Sphinx species I reared as a boy in New Jersey.
See the file for the female; she is different.
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Pachysphinx modesta
 WO,  
the Modest Sphinx or Poplar Sphinx
This moth has a large, heavy body, and females can be remarkably plump.
They are common on Prince Edward Island. I rear some almost every year.
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Named for the dull grey-blue spot (minus dark pupil) in the hindwing, 
this moth has a wide distribution and is probably common in Washington
 County.
I regularly see them on Prince Edward Island, and they are reported 
as far south as Florida.
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Named for the small eye-spot in the hindwing, this moth has a wide 
distribution and is probably common in Wshington County. 
I regularly see them on Prince Edward Island, and they are reported 
as far south as Florida.
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Smerinthus cerisyi
 WO, the Cerisyi's Sphinx  
Smerinthus cerisyi, the one-eyed sphinx or Cerisyi's sphinx, (wingspan approximately 95mm) closely resembles Smerinthus jamaicensis, and 
in northern regions the two species overlap. This is a very easy Sphinx to rear. 
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Smerinthus jamaicensis closely resembles Smerinthus cerisyi, but jamaicensis is much smaller with larger blue patches on more 
vibrant and deeper purple in the lower wings. 
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Macroglossinae subfamily 
Dilophonotini tribe:
 See Hemaris comparison to help distinguish
the next three species.
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Hemaris diffinis 
 WO,  the Snowberry Clearwing or Bumblebee Moth 
This moth is widely distributed and has been reported in Oneida and 
in Vermont, New Hampshire and Maine.
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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.
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Hemaris thysbe 
WO, the Hummingbird Clearwing 
It is not difficult to see why many gardeners would mistake an Hemaris thysbe moth for a small hummingbird as it hovers, sipping nectar from flowers through a long feeding tube.
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 Philampelini tribe:
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Eumorpha achemon
 WO,  
the Achemon Sphinx 
This moth is not reported for Washington, but it is fairly often reported 
along the coast from southern New Jersey 
to central Maine so may be present. 
Note the differences between this moth and the Pandorus Sphinx.
(generally more southerly; unlikely)
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If you have Grape or Virginia Creeper nearby, then you might have 
this species.
I often get asked to identify larvae from areas not 
previously reported. 
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Macroglossini tribe:
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This day flier is widely distributed.  The adult Nessus sphinx, 
which flies during the day and at dusk, has two bright yellow bands 
on the tufted abdomen. 
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 They are common in New Jersey and common
here on  Prince Edward Island. 
You will often see this species listed as Darapsa pholus, 
especially in older literature.  
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Darapsa myron 
WO, the Virginia Creeper Sphinx or the 
Grapevine Sphinx
It is widely reported as far north as southern Maine. If you have the 
foodplants indicated in the common names, you probably have this 
species nearby.  
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If you have hydrangea growing near a stream, then you may have the 
Hydrangea Sphinx.  unlikely
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This species has been recorded in northeastern New York,
and has been reported to the south so might be present. 
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Hyles gallii 
 WO/VW, the Bedstraw Hawk Moth 
or Gallium Sphinx  
Hyles gallii ranges coast to coast in Canada (into the Yukon) and southward along the Rocky Mountains into Mexico. 
It is also widely distributed throughout Europe and Asia.
 Victoria Whitney confirms
this species in North Granville.
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Hyles lineata 
 WO, 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. 
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Proserpinus flavofasciata 
 WO, the Yellow-banded Day Sphinx:
Fw upperside is medium to dark brown with a faint to distinct white median band. 
Hw upperside is dark brown with a wide orange median band which may not reach the inner margin. The moth mimics a bumblebee. 
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This moth is very much under reported  across the United States. It 
is a rapid day flier so is probably not in too many collections. 
 Grape is a popular larval host.
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