David Element
Wildlife
Photography and Digital Video Images
____________________________________________________Flies
3 – Common Copperback or Bronze Sap Hoverflies
COMMON COPPERBACK OR BRONZE SAP
HOVERFLY Ferdinandea cuprea
COMMON COPPERBACK OR BRONZE SAP HOVERFLY Ferdinandea cuprea
- Some of the more strikingly
marked hoverflies, including the handsome Common Copperback
or Bronze Sap Hoverfly Ferdinandea cuprea may be identified to species level by
examining the markings closely. Close examination will reveal that there
is only a single pair of wings, a feature typical of almost all fly
species (bees have two pairs). In hoverflies a false wing margin adds
authenticity to this disguise, giving the illusion of a second set of
wings. The hindwings are reduced to small club-shaped counterbalances
termed "halteres" and the absence of true hindwings is clearly
no handicap when it comes to flight.
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