page_title: Eristalis nemorum
section_title: Biology
hierarchical_section_title: Eristalis nemorum / Biology
caption_attribution_description: English: Eristalis nemorum courtship two males.
context_page_description: Eristalis nemorum is a species of hoverfly. It is found in the Palearctic and in the Nearctic.
context_section_description: The larvae are aquatic, and of the Rat-tailed maggot type. Adults are often seen visiting flowers. Flight period in the United Kingdom is from April to October, peaking around July and August. The males show a characteristic courtship display, hovering above a foraging female for minutes.  
  
  When many males are present two or more males may hover above one female. 
  Adult habitat is streamsides, fen meadow and poorly-drained pasture. Flowers visited include yellow composites, umbellifers, Cakile, Calluna vulgaris, Caltha, Cardamine, Cirsium, Crataegus, Eupatorium, Euphorbia, Filipendula, Malus, Menyanthes, Mentha, Parnassia, Prunus, Ranunculus, Rubus fruticosus, Salix, Sorbus, Succisa.
caption: Two males hovering above one female.
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