Identification file

Identification file

Rhopalosiphum maidis (Fitch, 1856)

1.3-2.9 mm

Apterous: bluey green, elongate, with head, antennae, legs, cornicles and cauda dark
Forehead with pronounced medial tubercle (1)
Antennae short (less than half length of body), characterized by a short processus terminalis (1.5-2.5 times the base) (2)
Cornicles dark, short (scarcely longer than cauda) with constriction quite weak (3)
Cauda short and dark (4)

Rhopalosiphum maidis : fiche d'identification
Rhopalosiphum maidis © Encyclop'Aphid

Alate: abdomen elongate, dark green and showing dark marginal (5) and post-cornicular (6) sclerites
Forehead with a pronounced medial tubercle (1)
Antennae short (about half the length of body), characterized by a short processus terminalis (1.5-2.5 times the base) (2)
Cornicles pigmented, length of cauda and with a slight constriction (3)
Cauda small and dark (4)

Cauda petite et sombre (4)

Species file