Coremacera marginata (Fabricius 1775)

Coremacera marginata is a species of fly in the family Sciomyzidae, the marsh flies or snail-killing flies.

Subspecies

Subspecies include:^[1]

• Coremacera marginata var. marginata (Fabricius, 1775)
• Coremacera marginata var. pontica Elberg, 1968

Distribution and habitat

This species occurs in most of Europe and in the Near East.^[2] These flies can be encountered in grasslands and woodlands,

Description

The adults of Coremacera marginata grow up to 7–10 millimetres (0.28–0.39 in) long. These flies have a slender, dark greyish body. The prominent eyes are reddish. The brown-yellowish antennae are forward-pointing, with a hairy 3rd segment and a whitish arista. The dark grey wings are mottled with greyish spots.^[3][4]

Biology

Adults feed on nectar or sipping dew. Larvae prey on several terrestrial genera of snails.^[5]

Gallery

• Coremacera marginata in copula, Hesse, Germany

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  Side view

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  Head with hairy terminal antennae

References

Wikispecies has information related to Coremacera marginata.

Wikimedia Commons has media related to Coremacera marginata.