Summary[edit] Description: No stigma and inverted U-shaped back mark on side of thorax behind wings are characteristics of this species. Photographed near the River Flynn at Martlesham (TM253473) on 29 April 2016. Date: Taken on 29 April 2016, 11:46. Source: female Nephrotoma appendiculata. Author: Martin Cooper from Ipswich, UK. Flickr tagsfemale, nephrotoma, appendiculata, nephrotoma appendiculata, tipulidae, cranefly, spotted, diptera, fly, martlesham, suffolk, insect, taxonomy:binomial=nephrotoma appendiculata. Camera location52° 04′ 40.03″ N, 1° 17′ 20.18″ EView all coordinates using: OpenStreetMap 52.077785; 1.288940.