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

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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