DESCRIPTION: Forewing length up to 7m. A small and uncommon species with an orange head, thorax and abdomen and wings that bear dark brown marks on the wings. The eyes are large are dark orange to red. BEHAVIOUR: Oviposition can take place in cracks on a tree trunk and the flies indulge in wing-waving behaviour. Males can be territoriial and be involved is face-offs and tussles.  DISTRIBUTION: Widespread but localised in southern Britain. HABITAT: Associated with dead wood such as fallen trees. PERIOD: Best seen during mid-summer.