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Apion carduorum (Kirby)
Insecta, Coleoptera, Curculionidae .

Ceratapion carduorum

Artichoke pear-shaped weevil

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


[R]Description
- Adult: 2.8 to 3.4 mm, shiny blackish blue on its dorsal face and black on the ventral (*) .
- Larva: white, curved, apodous, yellow globular head bearing toothed mandibles (*) .

[R]Biology
- Host plant: artichoke, Jerusalem artichoke (Helianthus tuberosus).
- Adult: remains at the surface of the leaves of the host plant which it nibbles (*) ;.
- Larva: digs longitudinal galleries in the petioles, the large veins of leaves and the capitulum axis (*) . It pupates in June in the feeding galleries.

[R]Life Cycle
- 1 annual generation.
- The young adult appears in June. It hibernates then lays during May of the year following its appearance.

[R]Damage
The leaves develop pale spots, then yellow and decompose, especially those at the plant's base. The capitula develop badly (*) and do not reach their normal size.


[R]Common Names
DE: Artischockenspitzmäuschen ES: Apion de la alcachofa FR: Apion de l'artichaut IT: Apione del carciofo PT: Apion da alcachofra GB: Artichoke pear-shaped weevil

[R] Images

  1. Apion carduorum (Kirby) (Daumal J. / INRA)
    Adults on artichoke
  2. Apion carduorum (Kirby) (Coutin R. / OPIE)
    Adults on an artichoke stem
  3. Apion carduorum (Kirby) (Coutin R. / OPIE)
    Perforated capitulum bracts Traces of the feeding stings made by adults.
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  4. Apion carduorum (Kirby) (Coutin R. / OPIE)
    Capitulum with arrested growth and larvae Longitudinal cross-section of stems and capitula to show larva at the centre of the stem (arrowed).
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  5. Apion carduorum (Kirby) (Coutin R. / OPIE)
    Larvae in an artichoke stem Cross-section of stem to illustrate galleries.
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