Species

Family

Data

Xanthempis stercorea

Empididae

a predatory fly: 31st May [common on hogweed flowers]

Xanthochlorus ornatus

Dolichopodidae

a small long-legged fly: 13th to 20th Jul [5, swept]

Xanthogramma pedissequum

Syrphidae

a hoverfly: 5th & 13th Jul, & 6th Sep [3, ground vegetation, parkland]

Xanthorhoe fluctuate

Geometridae

Garden Carpet (moth): l8th May [1 at light]

Xanthorhoe montanata

Geometridae

Silver-ground Carpet (moth): 18th May to 24th Aug [frequent]

Xanthorhoe spadicearia

Geometridae

Red Twin-spot Garnet (moth): 6th Aug [1 at light] & 26th Aug [1, woodland]

Xestia trlangulum

Noctuidae

Double Square-spot (moth): 22nd Jun [1 at light]

Xylota segnis

Syrphidae

a hoverfly: l6th Jun [1 in woodland]

Xylota sylvarum

Syrphidae

a hoverfly: l9th Jun to 17th Aug [3]; ‘good woodland’ indicator sp.