One-eyed Sphinx
( Smerinthus cerisyi )


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PHOTO COMMENT

IDENTIFICATION
Identification:Smerinthus cerisyi
(Kirby, 1837)
Common Name:One-eyed Sphinx
Life Stage:(A) adult

PHYLOGENY

Phylum:Arthropoda
Class:Insecta
Superorder:Holometabola
Order:Lepidoptera
Family:Sphingidae
Subfamily:Sphinginae
Tribe:Smerinthini
Genus:Smerinthus
Taxon Code:LEP01191
ITIS TSN#:188627

LOCATION DETAILS
Location
Sagehen Creek Field Station, Sagehen Creek Field Station, 11616 Sage Hen Rd, Truckee
County:Sierra County
ECI Site#:CANF182900
Park/Forest:Tahoe National Forest

RECOGNITION
Adult: FW a cryptic mix of pale gray and dark brown with cross vein at end of discal cell; other veins toward outer margin usually outlined in paler brown. HW eyespot blue, usually with black bull's eye in middle, and thick black outer ring; small to large amount of pink shading surrounding eyespot. Larva: body pale bluish-green or yellowish-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; anal horn red in first instar, becoming blue in later instars; head green, bounded dorsally by pale yellow inverted V
Wingspan
62-90 mm

BIOLOGY
Mating: female extends scent gland from posterior of abdomen to lure night-flying males; male aligns body at 180 degrees from female during pairing, which continues until the following evening. One generation per year; overwinters as a pupa; smooth, shiny oval eggs are laid singly or in pairs from June to August
Host
Larvae feed on leaves of pear, plum, poplar and willow. Adults do not feed.
Habitat
River margins and low ground where caterpillar food plants grow.
Flight Period
Adults: May to July or August
Range
Coast to coast in the northern United States, including Canada and its arctic regions, all the way to Alaska, and all the way south in the west to California and across to western Texas, south in the east to Tennessee and Missouri.

HABITAT
River margins and low ground where caterpillar food plants grow.

REFERENCES
  • Species Smerinthus cerisyi - One-eyed Sphinx - Hodges#7822. (http://bugguide.net/node/view/24880). Accessed March 12, 2016. [ IMAGES ]
  • Integrated Taxonomic Information System TSN#188627


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