Morley’s Final Catalogue: Frequent everywhere among oak. Copdock, common on oak-trunks and beaten from birch in Bentley Woods during April and May, not uncommon all round Ipswich, Nacton, Shrubland Park, Redlingfield, Monks Soham; Brandon.
Recent Status: Not recorded as commonly as in Morley’s time.
Life Style: A single brooded species flying from April to June and coming to light. The larvae feed as inquilines inside spongy galls on oak. They hibernate fully fed in a cocoon.
Identification: A dark species with a dark head and an irregular white dorsal blotch, pointed on the costal edge, marked with dark striae. There are strong whitish costal strigulae some with plumbeous grey stria that edge the ocellus. There are ochreous scales especially in the terminal half and there are white scales, in the basal area, side of thorax and in the ocellar area. More Info