Coremacera marginata

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

Coremacera marginata
Coremacera marginata. Dorsal view
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Sciomyzidae
Subfamily: Sciomyzinae
Tribe: Tetanocerini
Genus: Coremacera
Species:
C. marginata
Binomial name
Coremacera marginata
(Fabricius, 1775)
Synonyms

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]

  • Side view
  • Head with hairy terminal antennae
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References
  1. Biolib
  2. Faun europaea
  3. Aramel
  4. L. Watson and M. J. Dallwitz. Sciomyzidae
  5. Knutson, L. V. (1973). Biology and immature stages of Coremacera marginata F. a predator of terrestrial snails (Dipt. Sciomyzidae). Insect Systematics & Evolution 4(2) 123-33.
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