Dasineura fraxini is a gall midge which forms galls on the leaves and petioles of ash (Fraxinus species). It was first described by Johann Jacob Bremi-Wolf in 1847.
| Dasineura fraxini | |
|---|---|
| |
| Galls on Fraxinus excelsior | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Diptera |
| Family: | Cecidomyiidae |
| Genus: | Dasineura |
| Species: | D. fraxini
|
| Binomial name | |
| Dasineura fraxini Bremi, 1847
| |
| Synonyms | |
|
Cecidomyia fraxini Bremi, 1847 | |
Appearance of the gall edit
Most of the gall is on the underside of the main vein, where it forms a narrow green pouch. There can be several on a leaf, ranging in size from 5 mm to 30 mm, although they can coalesce. Each contains an orange larva. There is a slit-like opening on the upperside of the leaf. The galls can be found from June to October and can also be found on the petiole and rachis.[1][2] It is found on Fraxinus angustifolia & subsp., F. excelsior, F. ornus and F. oxycarpa.[3]
The larvae of Clinodiplosis botularia are reddish-yellow, grow faster and outcompete the gall maker, which perish.[4]
Distribution edit
The insect is found in Europe.[5]
References edit
- ^ Redfern, Margaret; Shirley, Peter; Bloxham, Michael (2011). British Plant Galls (Second ed.). Shrewsbury: FSC Publications. pp. 118 & 427. ISBN 978-1-85153-284-1.
- ^ Chinery, Michael (2011). Britain's Plant Galls. Old Basing, Hampshire: WildGuides Ltd. p. 33. ISBN 978-190365743-0.
- ^ Ellis, W N. "Dasineura fraxini (Bremi, 1847) on Fraxinus". Plant Parasites of Europe. Retrieved 17 September 2023.
- ^ Ellis, W N. "Clinodiplosis botularia (Winnertz, 1853) on Fraxinus". Plant Parasites of Europe. Retrieved 17 September 2023.
- ^ "Dasineura fraxini (Bremi, 1847)". Fauna Europaea. Retrieved 17 September 2023.
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