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Length 6 to 12 mm
Description Metallic green tachinid , with brassy / green abdomen the chest or thorax is covered by bristly stiff hairs
Phenology April to early June. mainly a Springtime species
Diet Adults flies feed on nectar and pollen , larva feed on caterpillars
Habitat Woodland margins and other densely wooded areas
Confusion Species
Chrysosomopsis auratus is similar toGymnocheta viridis . Differentiation can be made counting the rows of dorso-central bristles on the thorax behind the suture line.
G. viridis has 4 rows whilst
C. auratus has 3.
Dorso-central bristles midway to the wing bases, the central bristles are acrostichals
