David Element

Wildlife Photography and Digital Video Images

 

_______________________________ Dragonflies and Damselflies 23 - Highland Darters

 

 

 

 

 

                                           HIGHLAND DARTER Sympetrum (striolatum) nigrescens

 

 

 

 

 

                                           HIGHLAND DARTER Sympetrum (striolatum) nigrescens

 

         The exact genetic status of this dark Scottish (probable) phenotype of the Common Darter Sympetrum striolatum has not yet been fully established and it is therefore generally labelled either as S. nigrescens or S. (striolatum) nigrescens as a matter of convenience and the vernacular name of Highland Darter is commonly used to describe it. The darker colours probably assist with heat-absorption and retention in the cooler northern climate. If the appropriate scientific evidence is gathered at some point in the future to properly evaluate this insect then either an unequivocal segregation into separate species might be achieved or the dragonfly may be confirmed as simply being a darker form of S. striolatum. These photographs are of low resolution as they have been copied from transparencies and as would normally be the case for members of this genus the colours alter according to the maturity of the dragonflies.

 

 

-> Dragonflies and Damselflies 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60

 

-> Species Index, Common Names

 

-> Species Index, Scientific Names

 

-> Site Index

 

-> Home

 

David Element