Miners

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Mining courses on horse chestnut leaves

Miners are insect larvae, mostly from certain butterflies and beetles , but also from miner flies , which eat leaves or needles between their upper and lower skins ( cuticula ). Typically shaped feeding tunnels (mines) are created. The leaf or needle dies around the tunnels and turns brown. If the infestation is severe, they dry up completely and fall to the ground.

In some areas where certain miners are very strong due to a lack of enemies, entire stands of trees can lose their foliage , especially in deciduous trees. For example, the horse chestnut leaf miner ( Cameraria ohridella ) can give parks and avenues an autumn mood in summer.

Types (examples)

Alley eaten bare by leaf miners

Butterflies

Beetle

Two-winged

Collections

In addition to numerous phytopathological institutes at universities and colleges, most of the collections can be found at natural history museums . For example, Erich Martin Hering and Friedrich Ludwig Stellwaag's mine collections are located in the Wiesbaden Museum , which have been digitized.

Web links

Phytomyza chaerophylli (Agromyzidae) on Chaerophyllum (Umbelliferae)
Commons : Leaf mining  - collection of pictures, videos and audio files

Remarks