Coenagrion lunulatum Coenagrionidae Irish Damselfly

Biology male female Irish distribution

Coenagrion lunulatum

Uncommon confined to midlands and north. Adults have been recorded from the end of May to late July. The Irish Damselfly is found on sheltered mesotrophic lakes and large pools on cutover bogs. Since it was first recorded in Sligo in 1981 it has been recorded from approximately 40 sites in 13 counties. The majority of sites have been in counties Fermanagh, Tyrone, Armagh and Monaghan. A survey of the Irish Damselfly in N. Ireland in 1996 indicated that most colonies are small and that some appear to have become extinct. Eutrophication is suggested as the most serious threat to the species. C. lunulatum is a north European species, which is rare outside northern Finland, and the Irish population is thought to be one of the largest in western Europe.

This species is similar to the Azure Damselfly Coenagrion puella, the Variable Damselfly Coenagrion pulchellum and the Common Blue Enallagma cyathigerum with which it coexists. However both the female and male are darker and shorter-bodied in comparison with other blue damselflies.


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Nelson, B., Thompson, R. & Morrow, C., 2000 (September 7). [In] DragonflyIreland

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