Active larvae of Etainia thoraceleuca boring in woody stems of Marina strawberry tree, Arbutus × ‘Marina’ from CA: Marin Co. unless otherwise mentioned 45–46 CA: Sonoma Co., S. Swain 47–50 open stem with larval head, dorsal view 51 larva in stem with anal rods visible 52 larva, removed from stem, attacked by a mirid nymph 53 Chalcidoid parasitoid, most likely Eulophidae: Entedoninae and cocoon of Etainia thoraceleuca with exit hole of parasitoid.