Head: Pale green to yellowish with a white to cream stripe from the head to abdomen. Shiny, short black stripe between lower eye margin and mouth area. The black line is consistent in all sub-species, but stripe is wider in northern populations. Mouth area very pale reddish-yellow, not well defined. Eyes green, reflecting light into changeable colours. Whiskers (palpi) white with black line along outer sides.
Antenna: Base (scape) greenish-white. Segments white, become pale dull yellow near tips. Thorax: Green with a white to cream stripe along the back. Neck (pronotum) has reddish-brown to black stripe or thin line on each side, behind eyes; or sometimes no marks at all.
Wings: Pale green, including veins and cross-veins. Wing edges have short black hair. Tips more rounded. Wings twice as long as body.
Legs: Legs greenish-whitish, feet tinged with brown.
Abdomen: Pale green with a white to cream stripe down middle.
Similar Species: Chrysoperla rufilabris has a deep red mark from eye to mouth area. Antenna are more yellow, becoming darker near tip.
Size: 12 mm long.
Habitat: Forests, orchards.
Food: Aphids and other small bodied insects.
Flight Time: All season.
Life Cycle: Courtship with matched abdominal drumming. Eggs are stalked (pulvilli). Larva have 3 instars; will play dead. Over-winter as adults. Those adults associated with deciduous trees and shrubs turn reddish-brown (crypsis) in late fall to early spring.
Comments: Essex County – Ojibway Prairies, Harrow, Kingsville, Pelee Island, Point Pelee. Kent County – Rondeau Provincial Park. Wellington County – Guelph.
For information on synonyms, references and type specimens see next page