Ceratomia amyntor, Saskatoon, October 5, 2008, Doug Freestone.
Elm Sphinx, Four-horned Sphinx:
Elm (Ulmus), birch (Betula), basswood
(Tilia), cherry (Prunus).
Both green and brown forms. Four horns near the head are diagnostic.
Ceratomia amyntor, Saskatoon, September 6, 2011, Betty Wotherspoon.
Ceratomia undulosa WO, Waved Sphinx: Fraxinus, Ligustrum, Quercus, Crataegus,
Chionanthus virginicus Fifth instar spiracular ovals decidedly red, anal horn is off-white to pinkish laterally.
Northern Pine Sphinx: Without anal horn; feeds on pines.The long stripes and reddish brown afford great camouflage.
Manduca quinquemaculatus WO, Five-spotted Hawkmoth:
Tomato Hornworms: black horn at the end of the abdomen. Larvae feed on potato, tobacco, tomato, other plants in
nightshade family (Solanaceae).
Sphinx chersis final instar, Lumsden Beach, August 11, 2011, Fiona Ramsay.
WO/FR, Northern Ash Sphinx, Great Ash
Sphinx: Pale bluish-green. Head: pair of yellow
lateral bands meeting at apex. Oblique, lateral stripes:
pale, bordered anteriorly with darker green.
Ash, lilac, privet, cherry, quaking aspen.
WO, Wild Cherry Sphinx: Hide by day; feed primarily on
cherry, plum, apple at night; Amelanchier nantuckensis in
Massachusetts; in Michigan on Prunus serotina from eggs readily oviposited.
Sphinx gordius, WO, Apple Sphinx:
Ranges from brown with black borders through brownish gray with paler borders to pale gray with no
borders. It is probably Sphinx poecila that is present in Saskatchewan.
Sphinx kalmiae WO, Laurel Sphinx:
Black bands on green head. Black feet, black band above yellow-green legging on abdominal feet.
Black oblique lines anterior to creamy white lines. Anal horn: blue with extensive black markings in final instar.
Sphinx luscitiosa WO,
Canadian Sphinx, Clemen's Sphinx: Willow (Salix), poplar (Populus), birch (Betula),
apple (Malus), ash (Fraxinus), waxmyrtle (Morella), northern bayberry.
WO, Poecila Sphinx:
If you have blueberries in the woods, then you probably have the
Poecila Sphinx. There are both a green form and a purple form.
Sphinx vashti WO, Snowberry Sphinx:
Common snowberry (Symphoricarpos albus) and on coralberry (S. orbiculatus). Note the two golden lines
of slightly raised bumps, one just behind the head, the other on the thorax.
WO??, Walnut Sphinx:
Walnut, butternut (Juglans),
hickory (Carya), alder (Alnus), beech (Fagus),
hazelnut (Corylus), hop-hornbeam (Ostrya). questionable
Pachysphinx modesta WO,
Modest Sphinx, Poplar Sphinx: Larvae feed on poplars, cottonwood. Anal horn: very rudimentary in final instar.
Paonias excaecata WO, Blinded Sphinx:
Willows, birches, cherries. I have also found them in the wild on oak in eastern Canada. generally more eastern species
Paonias myops WO, Small-eyed Sphinx:
Wild cherry species are favorites, but eggs will also be deposited on birches and other forest trees.
There are varying degrees in the amount of red markings along the sides.
Smerinthus cerisyi WO,
Cerisy's Sphinx; Larvae: pale green, with granular skin, pale lateral diagonal lines, faint red
spiracular circles, very pale longitudinal lines running from
head to more pronounced anal diagonal line. Green heads: bounded dorsally with pale yellow inverted "V".
Smerinthus jamaicensis WO, Twin-spotted Sphinx:
Birches, cherries, but are expecially fond of poplars and willows. Red markings on sides vary greatly from specimen to specimen.
See Hemaris comparison to help distinguish the next three species.
Hemaris diffinis fifth instar, Regina, July 26, 2011, courtesy of Tim Taylor.
Snowberry Clearwing: Snowberry (Symphoricarpos),
honeysuckle (Lonicera), Coralberry, viburnums, Blue Dogbane
(Apocynum), dwarf bush honeysuckle (Diervilla lonicera).
Horn: black; yellow base.
Hemaris gracilis WO, Slender Clearwing or Graceful Clearwing:
Blueberries including low bush blueberry (Vaccinium vacillans), and laurel (Kalmia), all in the heath family (Ericaceae).
WO, Hummingbird Clearwing: Orangey-pink prepupal form. Lateral line runs
from S1 to blue horn. Viburnum and related plants. generally more eastern species
Eumorpha achemon, Estevan, Saskatchewan, September 10, 2010, Karen Edwards.
Grape (Vitis), Virginia Creeper
(Parthenocissus quinquefolia), other vines, ivies
(Ampelopsis). Light green form and a darker (tan/brown)
form. Note six "segmented" oblique lines.
Eumorpha achemon, Regina, Saskatchewan, September 5, 2013, Darlean Weigetz.
the Nessus Sphinix:
In additon to Virginia creeper larvae accept Grape (Vitis),
ampelopsis (Ampelopsis), and cayenne pepper (Capsicum).
Larvae are green until the final instar.
WO, Azalea Sphinx:
Azalea, Viburnum progress very rapidly. Larva (left) on Viburnum cassinoides is getting ready to
pupate. Color change from green to light burgundy-brown indicates pupation is imminent.
Hyles euphorbiae, Swift Current, July 31, 2007, Marnie Kay-Macmillan
MKM/DF, Spurge Hawk Moth:
Young larvae: variously patterned with green, yellow,
black; older larvae: distinctive red, black, yellow, white
color pattern. May approach 10 cm; when
disturbed, regurgitate slimy green liquid.
Hyles euphorbiae, Zehner (12 miles NE of Regina), Dave Fries
Hyles gallii WO, Bedstraw Hawk Moth or Gallium Sphinx:
Larvae come in black and in brown forms (see bottom of page) and often feed on Epilobium (fireweed).
WO, White-lined Sphinx:
Larvae: variable; Willow weed (Epilobium), four o'clock (Mirabilis),
apple (Malus), evening primrose (Oenothera), elm
(Ulmus), grape (Vitis), tomato (Lycopersicon),
purslane (Portulaca), Fuschia. All with red/black swellings split by
WO, Yellow-banded Day Sphinx.
Penultimate instar pale green with pair of pale,
dorsolateral lines running from head to base of short caudal horn.
Last instar: brown-black with numerous black dots; caudal horn
replaced by black button surrounded by white ring edged with black.
Newly-hatched caterpillars eat eggshells.
(Onagraceae) including evening primrose (Oenothera), gaura (Gaura),
and willow weed (Epilobium). Michael Van Buskirk has found them on Guara biennis in Missouri.