Identification file

Identification file

Brevicoryne brassicae (Linnaeus, 1758)

2.1-2.6 mm

Apterous: globular, grey-green to dirty yellow, completely covered with white pruinosity characteristic (1)
Frons a flattened   W shape (2)
Antennae short not reaching half length of body (3)
Cornicles pigmented, small and swollen (4)
Cauda short and triangular (5)

Brevicoryne brassicae : fiche identification
Brevicoryne brassicae © Encyclop'Aphid

Alate: thorax dark green, abdomen greenish yellow covered with greyish pruinosity leaving visible pigmented transverse stripes, variably discontinuous in the middle (6)
Frons a flattened  W  shaped (2)
Antennae same length as body (7), segment III longer than IV + V, with rhinaria numerous and distorted, no rhinaria on IV
Cornicles very short and swollen, keg shaped (4)
Cauda short and triangular (5)
Wing veins dark (8)

Species file