Brown Hawker Aeshna grandis
73mm, Wings 102mm.
Thorax brown; abdomen brown with bright blue spots at sides; wings characteristically honey brown colour; legs pale brown.
As males except blue spots on abdomen replaced with yellow markings.
Canals, ditches, lakes , ponds and slow rivers.
Hunt late in day often catching prey by street light (photo of wings which were found on street pavement). Males patrol at head height. Females lay eggs alone into water plants or damp wood. Breeds in a variety of standing or slow moving water sites. Can be encountered several miles away from water feeding along woodland edges or rides.
The national flight period is from mid-June to early October. The East Riding flight period is detailed in the chart below and is based on current records.