Lepidosaphes ulmi (Linnaeus 1758)

Description: English: Lepidosaphes ulmi (Oystershell scale) on tree — an introduced pest insect. At Rock Corral Campground in Milford, Utah, the Western United States. Source: : This image is Image Number 1470158 at Invasive.org, a source for images of invasive and exotic species operated by The Bugwood Network at the University of Georgia and the USDA APHIS Plant Protection and Quarantine program.. Author: A. Steven Munson.

Description: English: A light infestation of apple mussel scale (Lepidosaphes ulmi) on an unknown variety of apple in southern England. Date: 16 September 2020, 15:24:59. Source: Own work. Author: Richard Avery. Camera location51° 04′ 35.64″ N, 1° 49′ 10.96″ W View all coordinates using: OpenStreetMap 51.076567; -1.819710.

Description: English: Lepidosaphes ulmi (Oystershell Scale) on Ceanothus. Date: 21 July 2018, 19:38:37. Source: Own work. Author: Peter coxhead.