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Ophiomyia pinguis (Fallén)
Tylomyza pinguis

Insecta, Diptera, Agromyzidae .

Chicory fly

Description, Biology, Life Cycle, Damage, Common Names, Images

- Adult: small, shiny black fly of length 2.0 to 2.5 mm (*) .
- Larva: from 1 to 6 mm long, slightly arched, white hyaline tint, barely yellowish.
- Puparium: length 2.5 to 3 mm, pale yellow to brownish.

- This fly is dependent on the endive.
- The adult is found in summer in crops and lays on the aerial parts of field-grown crops.
- The larva lives as a miner in the endive leaf, forming long twisting galleries which take on a reddish tint (*) . It moves from one scale to another before pupating inside one of the latter.

[R]Life Cycle
- 3 to 4 generations per annum in forcing sheds, 1 in the open field.
- Damage is caused by the larvae which, at the time plants are being prepared for forcing, are found on sections of the petiole, near the collar. The larvae leave these sections when the latter rot to attack the young terminal bud leaves. After a few days at a temperature of 15 - 20°C the larva pupates in the gallery; in the wild this does not occur until April.

During the forcing period, the galleries excavated in the leaves and at the base of the petioles which contain maggots considerably reduce the value of the endive crop (*) .

[R]Common Names
DE: Endivienfliege, Schwarze Chicoree-Fliege ES: Mosca grís de la endivia FR: Mouche grise de l'endive IT: Mosca dell'endivia PT: Mosca cinzenta da endiva GB: Chicory fly

[R] Images

  1. Ophiomyia pinguis (Fallén) (Rasplus J.-Y. / INRA Versailles)
  2. Ophiomyia pinguis (Fallén) (Coutin R. / OPIE)
    Damage on leaves of witloof chicory
  3. Ophiomyia pinguis (Fallén) (Coutin R. / OPIE)
    Damage on witloof chicory Larva in its gallery.

To read this page in French

HYPPZ on line : Species (scientific name), Pests (common names), Glossary, Crops.

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