Aphid key

Identification key for frequent aphids on raspberry and blackberry

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

Identification key for frequent aphids on raspberry (Rubus idaeus)

1

 - Apterous greenish yellow, large-sized; antennae longer than body; cornicles long and pale, two times longer than cauda and swollen on distal half; cauda broad, light-coloured; alate not much different from apterous; antennae dark with proximal part of segment III pale; tarsus and ends of tibias dark
Amphorophora idaei

 - Apterous medium-sized → 2

2

 - Aphid with abdomen showing pigmented spots
yellowish; abdomen with pigmented spots between each segment; antennae equal to half the body; cauda triangular, linguate; alate with a dorsal patch roughly square, can be interrrupted; antennae equal to half the body; cornicles slightly pigmented; cauda short, triangular
Myzus ornatus

 - Aphid with abdomen showibg no pigmentation
Apterous yellowish or greenish; cornicles pale or ochre-toned, fine and straight; cauda short; alate green with marginal sclerites; cornicles pigmented, very fine; cauda short
Aphis idaei

Identification key for frequent aphids on blackberry (Rubus fruticosus)

1

 - Large-sized aphid
Apterous greenish yellow; antennae longer than body; cornicles long and pale, two times longer than cauda and swollen on distal half; cauda broad and light-coloured; alate not much different from apterous; antennae dark with proximal part of segment III pale; tarsus and end of tibias dark
Amphorophora rubi

 - Medium-small sized aphid → 2

2

 - Small-sized aphid, globular and cornicles of apterous light-coloured
Apterous dark bluish green in spring to greenish yellow in summer with antennae short; cornicles straight, light-coloured with tip slightly pigmented; alate dark green with marginal sclerites; antennae short and cornicles straight and pigmented; cauda short and light
Aphis ruborum

 - Medium-sized aphid, elongate and cornicles of apterous black
Apterous green to dirty green, glossy; antennae same length as body; abdomen ornamented with inter-segmental sclerites; cornicles straight, long, brownish to black; cauda digitate, light-coloured; alate green; head, thorax and cornicles dark brown to black; abdomen with dark stripes varying in length; cauda light-coloured
Sitobion fragariae

See visual identification