Ketelaar, R., W. Clausen, R. Busse & J.-L. van Eijk, 2000. Coenagrion ornatum in Europe and its chances in The Netherlands. Brachytron 4(2): 8-15. Coenagrion ornatum is a rare damselfly in Europe with an intriguing outpost north of Osnabrück, 90 kilometers from the Dutch border. Coenagrion ornatum is present here in very small streams with extensive Berula erecta vegetation. The species is in serious decline and is currently reproducing in moderate numbers (tens of individuals) at only one location. The main reasons for the decline of Coenagrion ornatum in central Europe are the cold winter of 1995/1996 when many localities became deep frozen, the lack of management practice, or too intensive management, habitat destruction, dessication and eutrofication. This article discusses the possible occurrence of this species in The Netherlands. Although suitable habitat is locally present and the dispersal capacities of Coenagrion ornatum seems to be rather well developed, climatic conditions and the lack of a large source population appear to be limiting factors. For the moment, it is not likely that Coenagrion ornatum can be recorded in The Netherlands.

, , , , , , , , , ,
Brachytron

CC BY 3.0 NL ("Naamsvermelding")

Nederlandse Vereniging voor Libellenstudie

Robert Ketelaar, Werner Clausen, Rolf Busse, & Jan-Luc van Eijk. (2000). Niet Nederlands, maar wel dichtbij: De Vogelwaterjuffer (Coenagrion ornatum) in Europa en zijn mogelijkheden in Nederland. Brachytron, 4(2), 8–15.