Papilio aegeus (Orchard Swallowtail). This native species is a common sight around gardens, as the caterpillars feed on plants in the family Rutaceae – which includes lemon trees. The notched wing is the classic sign of a near-miss encounter with a bird’s beak.

Papilio aegus. Paul saw the large female flying about with the male clinging below. And it turns out that this is the same male he’d photographed 2 days before – the notched right forewing is the giveaway.

Papilio aegus. The pair remained coupled, hanging in the same spot, from 6pm until 11am the following day!