There have been 32 species of Hemerobiidae recorded in the British Isles. The features of the wing venation and genitalia are important for identifying species. Here is a simple guide to help you identify any hemerobiids you come across.
If the forewing is broad and hooked you have Drepanepteryx phalaeonoides (click here) if the wings are rounded at the tip (click here), see below image.
Drepanepteryx phalaeonoides
This is an easy to identify Lacewing with broad forewings that are hooked at the tip and a chestnut brown colour. It also tucks its head under its thorax.
