The 6 entries in Laisha's encyclopedia that attack Orange, grouped by type. Each page covers identification, life cycle, the conditions that favour it, action thresholds and integrated management.

Growing Orange? The free Orange 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,…
• Mediterranean fruit fly (medfly)Ceratitis capitataInsect · A small, brightly patterned fly whose maggots develop inside citrus, stone fruit, figs, coffee berries and…
• Oriental fruit flyBactrocera dorsalisInsect · A fruit fly whose females lay eggs under the skin of ripening mango, guava, papaya, citrus and hundreds of…

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…