Rhopalosiphum

noun
Rho·​pa·​lo·​si·​phum | \-ˈsīfəm\

Definition of Rhopalosiphum 

: a widely distributed genus of aphids including several that attack numerous crop plants and some that are vectors of plant viruses — see apple grain aphid, corn leaf aphid

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History and Etymology for Rhopalosiphum

New Latin, probably from rhopal- + Greek siphōn tube, pipe

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