River Foss, Towthorpe Bridge Posted on 28 June 2010 by Paul Ashton View River Foss, Towthorpe Bridge in a larger map Habitiat Well vegetated section of the Foss. Access Park east of the bridge SE621591, there is footpath access. More Information OS Map from BING Maps Species List Banded Demoiselle Calopteryx splendensLarge Red Damselfly Pyrrhosoma nymphulaBlue-tailed Damselfly Ischnura elegansAzure Damselfly Coenagrion puellaCommon Blue Damselfly Enallagma cyathigerum