Yellow Swarming Flies (Thaumatomyia notata) - Flickr - Martin Cooper Ipswich

Description:

Summary[edit] Description: There were clouds of these small flies in the garden recently. They are Thaumatomyia notata, a species of "frit flies". These were eating pollen on the crocuses and "socialising" on the ivy. There were at least 15 of them, probably many more. ID confirmed by Chloropid experts John and Barbara Ismay. Details are: Thaumatomyia notata (Meigen, 1830) Ipswich, East Suffolk TM166450 2-Apr-2016 with at least 12 others on crocus and ivy in the back garden (Near Christchurch Park). Highest position in Explore: #88 on Apr 5, 2016. Date: Taken on 2 April 2016, 11:33. Source: Yellow Swarming Flies (Thaumatomyia notata). Author: Martin Cooper from Ipswich, UK. Flickr tagsthaumatomyia, notata, meigen, chloropidae, diptera, fly, flies, frit, yellow, swarming, ipswich, suffolk, garden, mating, feeding, pollen, crocus, ivy, thaumatomyia notata, raynox, dcr-150. Camera location52° 03′ 40.88″ N, 1° 09′ 32.76″ E View all coordinates using: OpenStreetMap 52.061356; 1.159100.