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Melanaphis pyrarius (Passerini)
Geoktapia pyrarius, Aphis pyrastri Boisduval

Insecta, Homoptera, Aphididae .

Pear-grass aphid, Brown pear aphid

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


[R]Description
Adult: 2 mm long; body elongate, brown-black and lightly covered with a dark powder (*) ; base and tip of antennae brown; femora dark; tibiae yellowish; cauda black and short; siphunculi as long as cauda, black and cylindrical.

[R]Biology
A heteroecious aphid occurring in spring on the underside of leaves of pear, a migration to grasses, especially Poa and Brachypodium, taking place in the summer.

[R]Damage
Affected leaves curl around the shoot, which remains straight, and become progressively yellow.
DE: Braune Birnenblattlaus ES: Pulgón pardo del peral FR: Puceron brun du poirier IT: Afide bruno del pero PT: Piolho castanho da pereira GB: Brown pear aphid, Pear-grass aphid

[R] Images

  1. Melanaphis pyrarius (Passerini) (Coutin R. / OPIE)
    Colony and damage on pear Leaves are severely crinkled and partly discoloured.
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