First record of Melanaphis donacis (Passerini) (Hemiptera: Aphididae) from Quetta, Balochistan: westernmost range in Pakistan

Melanaphis donacis (Passerini) is reported on Arundo donax L., for the first time from Quetta (Balochistan). The species was collected during spring 2018; its presence signifies the westernmost locality/range for this species in Pakistan and the subcontinent. Detailed diagnostic features, morphometric data and comparison with type specimens of the species hitherto-described from the subcontinent, distribution and ecology with supportive photograph of the colony is presented in this manuscript.