Tree Guide: Hawthorn

Hawthorn Crataegus monogyna

Deciduous

  6 metres tall

Leaves to 3.5cm long

Flowers, May-June, in clusters of up to 16 (petals to 0.6cm long)

Dark red fruit (about 1cm diameter) in late autumn

Common Emerald

Hemithea aestivaria

Forewing length 14-17mm

Adults late June-late July

Larva July-early June

Overwinters as a larva

Old Lady

Mormo maura

Forewing length 30-36mm

Adults July-September

Larva September-May

Overwinters as a larva

Rutpela maculata

Length 15-20mm

Adults May-August

Larva in rotting stumps

       Hawthorn Shield Bug 
                                                                                   Acanthosoma haemorrhoidale

                                                                      

                                                                    Length 13-15mm

                                                                    Adults all year round