Classification Order: Diptera true flies Family: Syrphidae
Length ., medium-sized hoverfly
It can be observed on arm spring days from April and May, though can be found until November. Two generations are produced and spring specimens are darker than summer ones
It has slanted - oblique yellow on the tergites sometimes fused into inverted 'V's. Two grey stripes on the thoracic dorsum behind the head are an useful identification feature
The larvae are aphidophagous in trees and shrubs.They feed at night , resting near the aphid colony by day on twigs and branches, where they are camouflaged by bold colour , patterns and broken edges protecting them from predators.
Predominates on woodland margins