SINCE 1828
Macrosiphum
noun
Mac·ro·si·phum
| \ ˌmakrōˈsīfəm\
Definition of Macrosiphum
: a genus of large often pink or green aphids including a number of economically important plant pests some of which are vectors of virus diseases (as mosaic) — see english grain aphid , pea aphid, rose aphid
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