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Aphelenchoides fragariae (Ritzema-Bos)
Aphelenchoides olesistus, Aphelenchus fragariae, Aphelenchus olesistus

Nematoda, Tylenchida, Aphelenchoididae .

Strawberry bud nematode, Strawberry eelworm, Leaf nematode

Description, Biology, Life Cycle, Damage, Common Names, Images


[R]Description
Adult about 1 mm long (*) .

[R]Biology
- Host plants: strawberry, begonia (Begonia spp.) (*) , fern (Asplenium, Adiantum).
- This species is an external parasite living in the flexures of young leaves at the plant's heart. As growth continues, nematodes migrate to younger leaves. On strawberry, they infest the buds of stolons as well as new plants. They feed on developing leaflets, causing damage clearly visible when leaves spread over.
When infested leaves dry out, the nematodes encyst, thereby resisting desiccation.

[R]Life Cycle
- The life-cycle lasts about 15 days. Generations succeed one another as long as conditions are favourable.

[R]Damage
- Strawberry plants are stunted and have little vigor. Young leaves are reduced, distorted and have a reddish coloration. Leaflets remain rolled up longer than on healthy plants and are twisted and crinkled, exhibiting blackish-grey bands at the place where the nematodes fed before migrating to younger leaves. Stolons remain short and fruits are fewer and distorted (*) .


[R]Common Names
DE: Erdbeeršlchen, Fernšlchen ES: Afelencoide de la fresa FR: Anguillule du fraisier et des fougŤres IT: Anguillula della fragola PT: NemŠtodo do morangueiro GB: Strawberry bud nematode, Strawberry eelworm, Leaf nematode

[R] Images

  1. Aphelencoides fragariae (Ritzema-Bos) (BASF)
    Individual (
    Aphelencoides sp.)
  2. Aphelencoides fragariae (Ritzema-Bos) (Caubel G. / INRA Rennes)
    Attack on strawberry
  3. Aphelencoides fragariae (Ritzema-Bos) (Ritter M. / INRA Antibes)
    Damage to begonia

To read this page in French

HYPPZ on line : Species (scientific name), Pests (common names), Glossary, Crops.

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