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Identifying aphids on Echeveria
Small green or grey insects clustered on flower stalks and new growth at the centre of the rosette, most likely to appear if the plant is blooming.
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Life cycle
Reproduce rapidly without mating in spring/summer. One female can produce 80+ offspring per week. Multiple generations per year.
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Damage to Echeveria
Aphids sap-suck on flower stalks and new growth, causing distorted buds and leaving sticky honeydew that can attract sooty mould on the waxy leaf surface.
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How to treat aphids on Echeveria
Spray forcefully with water to dislodge aphids, or wipe them off by hand, taking care not to touch the leaves too much since Echeveria's waxy coating (farina) can rub off and won't regrow.
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Preventing aphids on Echeveria
Inspect flower stalks and new growth periodically, especially during blooming, and quarantine new plants before placing them nearby.