Английская Википедия:Dasineura fraxini

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Версия от 22:43, 24 февраля 2024; EducationBot (обсуждение | вклад) (Новая страница: «{{Английская Википедия/Панель перехода}} {{Short description|Species of fly}} {{Speciesbox | image = Dasineura fraxini galls 02.jpg | image_caption = Galls on ''Fraxinus excelsior'' | taxon = Dasineura fraxini | authority = Bremi, 1847 | synonyms = ''Cecidomyia fraxini'' <small>Bremi, 1847</small><br>''Perrisia fraxini'' <small>Kieffer, 1897</small> }} '''''Dasineura fraxini''''' is a Cecidomyii...»)
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Шаблон:Short description Шаблон:Speciesbox

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.

Appearance of the gall

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]

Inquiline

The larvae of Clinodiplosis botularia are reddish-yellow, grow faster and outcompete the gall maker, which perish.[4]

Distribution

The insect is found in Europe.[5]

References

Шаблон:Reflist

Файл:Dasineura fraxini gall 01.jpg
Galls in the petioles of Fraxinus excelsior


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Шаблон:Sciaroidea-stub