a type of hoverfly, sphaerophoria, feeding on the nectar of a wild flower, onopordum acanthium

acanthium and animal background batesian big biological black blue body colorful control dipterous enemies eyes fauna feed feeding flower fly green harmless hover hoverflies hoverfly imitate imitating insect key look macro mimic mimicry mosca onopordum pest pests pluma plumon pollinate pollinating pollinator purple red rueppellii scripta sphaerophoria stripes syrphid wasp wild wilderness wildlife yellow