Identification key to male blue-tailed damselflies

Ischnura elegans
blue confined to segment 8		 Ischnura pumilio
mainly black with blue confined to last quarter of segment 8 and all of segment 9

Nelson, B., Thompson, R. & Morrow, C., 2000 (June 29). [In] DragonflyIreland https://habitas.org/odonata/

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