Aphid key

Identification key for frequent aphids on Brassicaceae f

Identification based on morphological criteria, click on the name to access identification file

Aphid greyish and colonies covered with wax
Apterous greenish grey, globular, with a dense whitish waxy meal covering ; cornicles small dark and swollen (barrel-shaped); cauda short, triangular and dark;  alate with antennae and wing veins dark, abdomen with transverse stripes more or less  discontinuous in the middle
Brevicoryne brassicae


Aphid with another colour

> 2


Large-sized aphid (about 3mm)

> 3

Medium-sized aphid (about 2mm)

> 4


Apterous green or pink, elongate, large-sized; antennae with length equal to body and slightly pigmented; cornicles long, cylindrical, darkening towards the tip; cauda long and light-coloured;  alate without abdominal pigmentation; antennae and cornicles darkening towards the tip; cauda long and light-coloured
Macrosiphum euphorbiae

Apterous green to yellowish green, glossy, piriform; antennae long; spot dark green at base of cornicles; cornicles light-coloured, straight, with flange darkened at end; cauda digitate; alate  with stripes more or less  dark on abdomen
Aulacorthum solani


Apterous olive green to dirty yellow with presence of wax patches; antennae short; cornicles slightly pigmented, sausage-shaped; cauda short, digitate and pigmented; alate with presence of some flecks or interrupted stripes on abdomen  and marginal sclerites
Lipaphis erysimi

Apterous with no wax patches or spots

> 5


Apterous olive-tinged, dirty yellow or slightly pinkish with abdomen bulging; antennae long, fine and arcuate;  cornicles swollen; cauda small and triangular; alate dark with a dorsal patch and wings smudged
Myzus ascalonicus

Apterous green to yellowish, colony including some pinkish individuals that are the future alates (nymphs); antennae straight; cornicles slightly swollen on inner side ; cornicles slightly swollen on inner side ; alate with a dorsal patch jagged and perforated
Myzus persicae

See visual identification

Modification date : 07 February 2023 | Publication date : 18 September 2014 | Redactor : Evelyne Turpeau, Maurice Hullé, Bernard Chaubet