Promoting observation, free range exploration, sense of place and citizen science, through the field notes of a naturalist.







Saturday, 15 April 2017

Beetle bank


I should have been more alert to the prospect that a sunny early spring Sunday at Llandegfedd Reservoir would have a liberal sprinkling of leisure seekers. And so it was, there were, walkers with dogs, walkers without dogs, cannabis smokers, sunbathing courting couples, fisherman, sailors with associated noisy powerboats and hooters, paddle boarders who sought refuge in the less crowded corners of the reservoir and an individual who coughed loudly and intermittently from the richly vegetated upper reaches of Green Pool.


As a consequence my trusty Opticron scope was not deployed. Preferring to potter about on the margins of the reservoir I settled down on the exposed shoreline of the island. The water level was high by still low enough for a small area of eroded soft bank complete with ample stone turning potential. On closer examination the collection of stones on the waters edge were well populated with a variety of basking beetles. Seemingly attracted by the stones absorbed warmth the following species were identified.

Mint Leaf Beetle (Chrysolina herbacea)

Weevil (Sitinia lineatus)

Imperial Rove Beetle (Staphylinus caesareus)

Dung Beetle (Aphodius sphaecelatus)

Flea Beetle (Longitarsus membranaceus)

Sap Beetle (Glischrochilus hortensis)

Weevil 

Orange Ladybird (Halyzia sedecimguttata)










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