Adults are small nondescript flies which are rarely seen. Aphids Larva Larvae found in aphid colonies. When aphids plentiful they kill more than they eat. Aphids Larva Larvae found in aphid colonies all growing season. Adults often seen visiting flowers.
Eggs are white on long thread-like stalk.
Larvae found in foliage. Present early spring to late summer. Eggs are yellow, barrel-shaped and laid in clusters. Adults and larvae active throughout tree near prey. Active all season.