David Element

Wildlife Photography

and Digital Video Images

____________________ Flies 4 - Robberflies, Bee-flies

                                 GOLDEN-HAIRED ROBBERFLY Choerades marginatus

                                              HORNET ROBBERFLY Asilus crabroniformis

                               VIOLET BLACK-LEGGED ROBBERFLY Dioctria atricapilla

                                SMALL YELLOW-LEGGED ROBBERFLY Dioctria linearis

                                    FAN-BRISTLED ROBBERFLY Dysmachus trigonus

                                         MOTTLED BEE-FLY Thyridanthrax fenestratus

                                                  DARK-EDGED BEE-FLY Bombylius major

• These representatives of two of the major fly families have been selected because of their distinctive features. Many flies require microscopic examination in order to identify them to species level. The Hornet Robberfly is classified as Nationally Scarce and the Mottled Bee-fly is classified as RDB 3, i.e. Rare. The requirements of these species are being studied as part of the UK Biodiversity Action Plan. It is no coincidence that these uncommon species have strong associations with heathland, perhaps one of the most threatened habitats in Europe.

RECOMMENDED WEBSITES:

Links to 'ARKive' species accounts:

• For further information about the Hornet Robberfly use the following link: http://www.arkive.org/species/ARK/invertebrates_terrestrial_and_freshwater/Asilus_crabroniformis/

• For further information about the Mottled Bee-fly use the following link: http://www.arkive.org/species/ARK/invertebrates_terrestrial_and_freshwater/Thyridanthrax_fenestratus/

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