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Palomena prasina (L.)
Insecta, Heteroptera, Pentatomidae .

Green pentatomid bug

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

- Adult: 12-14 mm long; integument green, smooth and marked with numerous, small dark punctures; margin of pronotum yellowish-red; antennae 5-segmented, the 2nd and 3rd segments of equal length and the 4th and 5th reddish.
- Eggs: green and laid in clusters (*) .
- Nymph: green (*) with lateral openings of the stink glands at the ventral side of the metathorax, near the base of hind legs.

This very common and polyphagous species occurs especially on apple and pear, when orchards are situated in the vicinity of wooded areas, as well as on wild and cultivated herbaceous plants.
Embryonic development lasts 15-21 days; the nymph passes through 5 instars, the whole process lasting 5-6 weeks.

[R]Life Cycle
Adults overwinter, taking on a sombre (and even sometimes brown) coloration and resume activity in April. They feed and then mate. Eggs are deposited on the leaves of host plants. There is only one generation per year.

Pears become stony and apples distorted. Feeding punctures and injection of an amylase-rich saliva cause the formation of hollows on the surface of fruits.

[R]Common Names
DE: Gemeiner Grünling ES: Chinche del bosque FR: Punaise verte des bois IT: Cimice verde PT: Percevejo das hortas GB: Green pentatomid bug

[R] Images

  1. Palomena prasina (L.) (Coutin R. / OPIE)
    Adult On leaf of pear.
  2. Palomena prasina (L.) (Coutin R. / OPIE)
    Egg-laying Underside of leaf of mint.
  3. Palomena prasina (L.) (Coutin R. / OPIE)
    Eggs in the process of hatching On the underside of a leaf of black currant.

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