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by means of unpleasant smell
bcz they eat plants!!
No, aphids are insect pests which suck the juices out of plants
Plant roses. You will have all the aphids you want in no time.
They can't protect themselves from herbivores.
Aphids are the most likely suspects for feeding on and disfiguring your sedum plant. Either the black sedum aphid or the melon aphid may be hiding beneath the leaves and buds of a sedum plant.
By folding its leaves when touched./ By showing tactic movement in the shoot.
Baby Aphids are sometimes called plant lice.
Aphids [of the superfamily Aphidoidea] also may be called greenflies and plant lice. They account for over 4,400 species spread out over ten families. Some examples include the following:Apple aphid [Aphis mali];Black cherry aphid [Myzus cerasi];Cabbage aphid [Brevicoryne brassicae];Currant lettuce aphid [Nasonovia ribisnigriMosley];Green apple aphid [Aphis pomi];Green peach aphid [Myzus persicae];Rose aphid [Aphis rosae].The above list gives an idea of the range of plant that aphids damage and destroy. But an example also may be given of an aphid that's destructive of plants but helpful to people. It's the Chinese sumac aphid [Melaphis chinensis Bell]. This aphid causes a gall to form on the sumac. From the gall, traditional healers and doctors are able to come up with a treatment plan for coughs, diarrhea, dysentery, and intestinal bleeding.
because of ts thorn , if they no thorn it can not protect itself
hindi mo alam? kawawa ka naman. :P
Ants will live on roses, mums . The aphid is an insect that live on roses, the ant will "milk" the aphid and tend to it the way a farmer tends to sheep