Classification
Aphidinae: Macrosiphini
Common name(s)
Potato aphid
Diagnosis
Apterae are broadly spindle-shaped and very variable in colour - yellow green, mid green, pink, magenta or wine red, with black apices to antennae, femora, tibiae and siphunculi. Body lightly dusted with fine wax powder.
Distribution
Of North American origin, now almost world-wide. India: North India, Karnataka, Maharshtra, Tamil Nadu, Kerala.
Host plant(s)
Solanaceae: Solanum tuberosum.
Measurements
Aptera: Length of body 2.27, width 1.05; antenna 2.94, segments III:IV:V:VI 0.65:0.51:0.39:(0.16+0.85) ; u.r.s. 0.13 ; h.t.2 0.10 ; siphunculus 0.60 ; cauda 0.24.
Seasonal occurrence
September-October.
Natural enemies
Hymenoptera: Braconidae: Aphidiinae: Aphidius ervi Haliday.