Aphid key

Identification of aphids associated with Betulaceae

A key based on visual identification is provided to help you identify frequent aphid species.

The link on the species name gives access to the identification file

Common alder (Alnus glutinosa)

Pterocallis alni, P. maculatus

light yellow to yellowish green with antennae ringed, cornicles short and dark, anal wing vein dark in alate

Italian alder (Alnus cordata)

Cryturaphis grassii

aphid nearly round and flat, yellow  streaked with brown, frontal tubercles highly developed, abdomen of alate with dorsal patch more or less developed

Silver birch (Betula pendula) and downy birch (Betula pubescens)

Betulaphis quadrituberculata

whitish yellow to greenish yellow, antennae short, capitate hairs  on abdomen of larvae and nymphs, cornicles short and light

Calaphis flava

pale green to yellowish, antennae same length as body, capitate hairs present in larvae and nymphs, cornicles short and light-coloured, wing veins distinct in alate 

Callipterinella calliptera

green streaked with stripes, dark to black, antennae dark at tip, shorter than body, wing veins strongly marked in alate

Callipterinella minutissima

greenish yellow, antennae short, cornicles short, alate greenish with large lateral tubercles and wing veins dark

Callipterinella tuberculata

greenish with dark spots on abdomen, antennae shorter than body, wing veins distinct in alate

Euceraphis punctipennis

large and elongate, green,  antennes same size as body, cornicles short, cauda knobbed, alate slightly waxy with wings elongate

Common hornbeam (Carpinus betulus)

Myzocallis carpini

yellowish to whitish, very similar to Myzocallis coryli the hazel aphid, the morphological difference tibeing the rostrum length, however each of these two species is specific to its plant host

Hazel (Corylus avellana)

Corylobium avellanae

greeny yellow, sometimes marbled with red, antennae and cornicles long, abdomen with capitate hairs, alate with spots on abdomen

Myzocallis coryli

yellowish to whitish, abdomen with capitate hairs, cornicles short and light-coloured, cauda knobbed, in alate small black spot on basal part of pterostigma

Modification date : 07 February 2023 | Publication date : 31 January 2017 | Redactor : Evelyne Turpeau, Maurice Hullé, Bernard Chaubet