Morley’s Final Catalogue: Our most frequent kind of the genus on Pinus sylvestris; unrecorded in the south. On pines in Monks Soham garden (Mly); Sutton Heath, 1933-5 (Whit); Orford in July (Gbs); Aldeburgh and Southwold (Ctw); Leiston, Herringfleet. Thetford in 1932, Tuddenham, Brandon.

Recent Status: This is the least common of the Rhyacionia species in Suffolk at present.

Life Style: A single brooded species that flies from May to July. The larvae feed inside terminal shoots of Pinus species, primarily P. sylvestris and also Picea breweriana. They pupate in a cocoon in the larval habitation.

Identification: R. bouliana is the largest species of the genus in Suffolk. It is orange and silver white. There are also silvery purple marks that are somewhat overwhelmed by the bright orange. More Info

Recorded in 25 (43%) of 58 10k Squares.
First Recorded in 1932.
Last Recorded in 2023.