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Cecidomyiid (Thecodiplosis japonensis) laying eggs (click on image to enlarge it)
Author: D.K. Park
Source: Naver
Vernacular names
• Deutsch: Gallmücken
• English: gall midges
• Español: cecidómidos
• Français: cécidomyidés, cécidomyies

Cecidomyiidae (gall midges)

This family contains around 5,000 species of small, often tiny flies, usually ½ to 4 mm long. Most are plant parasites constructing galls and are specialized on one or a few closely related hosts. A few are predators. A gall midge spends nearly all its life as larva inside a plant gall. Adults only live for a few days and often do not feed.

The adults are mosquito-like with long legs and long antennae. They are usually yellow, orange or red in colour, hairy and with large wings. The antennae have around 15 segments, including 2 characteristic basal ones, with whorls of hairs. The compound eyes meet above the antennae and females often have a long ovipositor.


For more details see the respective page in Wikipedia.

This page deals only with agricultural pests. For other groups of Cecidomyiidae see:

The following genera and individual species are currently entered under Cecidomyiidae: