The 5 entries in Laisha's encyclopedia that attack Lemon & lime, grouped by type. Each page covers identification, life cycle, the conditions that favour it, action thresholds and integrated management.

Growing Lemon & lime? The free Lemon & lime grow guide covers the crop from sowing to harvest.

Insect pests

• Asian citrus psyllidDiaphorina citriInsect · A small mottled-brown bug that feeds on the new shoots of citrus. On its own it does modest harm, but it…
• Cotton aphid (melon aphid)Aphis gossypiiInsect · A small aphid, from pale yellow to almost black, that forms dense colonies under the leaves of cotton,…
• Pink hibiscus mealybugMaconellicoccus hirsutusInsect · A pink mealybug under a white waxy coat whose saliva is toxic to plants: new shoots twist and bunch, leaves…

Oomycete diseases (water moulds)

• Citrus gummosis (Phytophthora foot rot)Phytophthora citrophthora and Phytophthora nicotianaeOomycete disease · Gummosis is a rot of the bark at the base of citrus trees caused by soil-borne Phytophthora water moulds.…

Bacterial diseases

• Citrus greening (huanglongbing, HLB)'Candidatus Liberibacter asiaticus'Bacterial disease · Huanglongbing, or citrus greening, is the most destructive citrus disease in the world. A bacterium carried…