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Henosepilachna sparsa vigintisexpunctata

 Dieke (not Boisduval)

Phytophagous beetle or 26 point beetle

 General 

  • Phytophagous beetle of the family Coccinellidae.
  • Easily differentiated from leaf beetles by its club-shaped antennae at their ends.
  • All stages of this ladybug from larva to adult are phytophagous.

 

  • Sensitive botanical family (s)
Solanacées Cucurbits

 

  • Affected production areas :
Guadeloupe New Caledonia

 

  • Organs attacked
Leaves

     


Symptoms, damage

  • Symptoms :
    • Cut leaves, punctured by the feeding activities of adults and larvae.
    • Leaf blade cut between the veins by the young larvae giving the leaves a lacy appearance (often visible on black nightshade) (figure 1).
    • Damage generally low impact on the crop.
  • Signs : Presence of adults and larvae on affected leaves (figures).

 Biology

  • Development cycle : comprises 3 larval stages, a pupal stage and an adult stage.
    • Eggs laid in bundles (oopplates) under the leaves, they are yellow in color.
    • Larvae with globular bodies (figure 1) moving slowly unlike larvae of predatory ladybugs.
    • The dark-colored, oval-shaped pupa has white branched appendages on the lower part (Figure 2)
    • Adults measuring between 7 and 10mm in length, red-orange in color (figure 3). They have 26 black dots arranged transversely.
  • These phytophagous ladybirds are very similar to predatory ladybugs. 

Protection 

  • Given the low level of impact induced by this ladybug, it is generally not useful to put in place protective measures.
Last change : 11/16/21
Coccinelle-Henosepilachna-sparsa-vigintisexpunctata-Larve-1
Figure 1
Coccinelle-Henosepilachna-sparsa-vigintisexpunctata-Pupe-1
Figure 2
Coccinelle-Henosepilachna-sparsa-vigintisexpunctata-1
Figure 3