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Polystepha pilulae

Species of fly From Wikipedia, the free encyclopedia

Polystepha pilulae
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Polystepha pilulae, the oak leaf gall midge, is a species of gall midge in the family Cecidomyiidae.[1][2][3] It is found in eastern North America.[4]

Quick Facts Scientific classification, Binomial name ...
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Description of the gall

The larvae of this species of midge form circular galls that can be flat or convex. These form on the upper surface of oak leaves of the red oak group (Quercus sect. Lobatae), between the veins. The galls are thick-walled and reddish-brown in colour.[5] They are 3 to 4 mm in diameter.[6]

References

Further reading

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