Buckthorn aphid

Aphis nasturtii

The abdominal dorsum is membranous without dark bands or sclerites. The antenna barely exceed half the body lenghth. The siphunculi are usually rather pale sclerotic becoming a little darker towards the apex. The legs are dusky or rather pale - the apices of the tibiae are slightly darker as can be seen in the micrograph ventral view below. The body length of buckthorn - potato aphid apterae is 1.1-2.4 mm.

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