Click Beetle - Agriotes Obscurus Taken at Baron's Haugh on 10th July 2021 using Panasonic Lumix LX5 in macro mode.. Click Beetle - Agriotes Obscurus Species: Order: Family: Local names: Agriotes obscurus Coleoptera. Elateridae. Larval Food: Adult Food: Size: Habitat: Flies/Found: Feature: Roots of plants and grasses. Grass leaves. 7 - 10 mm. Meadows and grassy places. March - June. The larvae, called Wireworms, are long lived (up to four years in this stage of development)