Description: Along Wilson Run, York County, within Apollo County Park. In the Susquehanna River Hills region of Lancaster and York Counties, hemlocks are confined primarily to deep, shady ravines. Sadly, many of these trees are infested with the hemlock woolly adelgid (Adelges tsugae), an exotic insect pest. Date: 17 March 2012, 18:11. Source: Hemlock Woolly Adelgid. Author: Nicholas A. Tonelli from Pennsylvania, USA. Camera location39° 54′ 26.04″ N, 76° 24′ 38.93″ WView all coordinates using: OpenStreetMap 39.907234; -76.410813.
Description: English: Adelges abietis (Eastern Spruce Gall Adelgid) galls on spruce. Pocono Environmental Education Center, Pike County, Pennsylvania, USA. https://bugguide.net/node/view/459262. Date: 25 September 2010, 08:26:49. Source: Own work. Author: Beatriz Moisset.
Description: Čeština: Neznámá nemoc smrku v Jizerských horách. Okres Jablonec nad Nisou, Česká republika. [To by mohlo být "ananas žluč" způsobené Adelges abietis Richard Avery (talk) 15:50, 24 November 2016 (UTC) ]. Date: 28 March 2016. Source: Own work. Author: Juandev.
Description: Norsk bokmål: Åpnet galle av gul grangallelus Sacchiphantes abietis så dyrene vises.English: An opened gall from Pineapple gall adelgid Sacchiphantes abietis so the animals are visible. Date: 10 July 2010, 15:02:39. Source: Own work. Author: Magne Flåten. Camera location60° 07′ 58.76″ N, 11° 01′ 04.48″ EView all coordinates using: OpenStreetMap 60.132990; 11.017910.
Description: Čeština: Neznámá nemoc smrku v Jizerských horách. Okres Jablonec nad Nisou, Česká republika. [To by mohlo být "ananas žluč" způsobené Adelges abietis]. Date: 28 March 2016. Source: Own work. Author: Juandev.
Description: English: A Pineapple Gall on Sitka Spruce, Redhall, Edinburgh. Date: 20 October 2009. Source: Own work. Author: Rosser1954 Roger Griffith.
Description: Čeština: Neznámá nemoc smrku v Jizerských horách. Okres Jablonec nad Nisou, Česká republika. [To by mohlo být "ananas žluč" způsobené Adelges abietis. Richard Avery (talk) 15:51, 24 November 2016 (UTC)]. Date: 28 March 2016. Source: Own work. Author: Juandev.
Description: Čeština: Neznámá nemoc smrku v Jizerských horách. Okres Jablonec nad Nisou, Česká republika.[To by mohlo být "ananas žluč" způsobené Adelges abietis. Richard Avery (talk) 15:44, 24 November 2016 (UTC)]. Date: 28 March 2016. Source: Own work. Author: Juandev.