19 July β 24 October
the coastal calendar, shifted 24 days later for this region
On elder and rose flowers in full sun, eating the petals; compost heaps hold the grubs.
The grub is a compost engine and does no harm to roots, which is worth knowing before destroying a heap full of them. Adults fly with the wing cases closed, which is why the flight looks wrong for a beetle.
photos, sightings and recordings, off this site
where this species is on the list
| Phase | When | Length | What it means |
|---|---|---|---|
| overwintering | 25 October β 3 May | 191 days | The species passes winter as an egg, larva or pupa; no adult is on the wing. |
| adults on the wing | 4 May β 2 June | 30 days | The new generation is out, winged and looking for a mate. |
| courting | 3 June β 24 June | 22 days | Song, display, fighting, scent-marking β pairs forming or reaffirming. |
| on eggs | 25 June β 18 July | 24 days | Clutch laid and being incubated, or buried and left to the sun. |
| larvae feeding | 19 July β 24 October | 98 days | Caterpillars, grubs or nymphs feeding and growing. |