Diptera at Hylands Park Some Hoverflies Recorded From Hylands 2001 - 2003 Essex statuses and their definitions are given in the provisional Essex Red Data list at www.essexfieldclub.org.uk/ERDlist/ERDB.htm Brachyopa insensilis Brachyopa scutellaris Brachypalpoides lentus Callicera aurata Callicera spinolae Chalcosyrphus nemorum Criorhina asilica Criorhina berberina Criorhina floccosa Criorhina ranunculi Didea fasciata Epistrophe diaphana Meligramma triangulifera Myolepta dubia Psilota anthracina Scaeva selenitica Volucella inanis Xylota xanthocnema National Status Essex Rarity Status Essex Threat Status N Scarce Threatened RDB 3 RDB 1 Rare Rare Threatened Endangered Threatened Rare N Rare Endangered N Rare Threatened N Rare Threatened N Scarce N Scarce DB 2 Rare Vulnerable N N Scarce Scarce Regionally Important Also of note, at no other site in Essex have all four British members of the genus Criorhina - both southern species of Callicera and Psilota anthracina - been found. Essex Parks: Section 2 - Hylands Park 85