Species group · Insects
WAnimals has 2 species of aphid, in the family Aphididae.
Ranges calculated from the profiles that record the figure, not from all 2.
Each one has its own full profile. This group does not replace them: it brings them together.
No species documented in this group is genuinely at risk according to the IUCN, with the data available today.
Recorded in 58 countries. The ones with the most species in the group:
In spring and summer the females reproduce without males and give birth directly to live females, which in turn already carry the next generation inside them: three generations nested one within another, like Russian dolls.
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It alternates host plants with the season: it overwinters as an egg on spindle or viburnum and in spring flies to broad beans, beet or thistles.
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Ants tend it, carry it and defend it from ladybirds and hoverflies in exchange for its honeydew — herding in the fullest sense.
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It carries over 100 plant viruses: one of the costliest agricultural pests there is.
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It is probably the insect with the most documented insecticide resistance mechanisms: it has developed resistance to almost every chemical family used against it, sometimes stacking several at once.
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Its colonies are clones: a single female can give rise in one season to millions of genetically identical descendants.
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