False codling moth

General False codling moth ( Thaumatotibia leucotreta ) is native to sub-Saharan Africa and is found in all citrus production areas in Southern Africa. It also occurs on some of the Indian and Atlanti

Bacterial wilt, brown rot

General Ralstonia solanacearum is a plant pathogenic bacterium. It is a soil-borne disease and colonises the xylem, causing bacterial wilt and brown rot in a very wide range of potential host plants.

Psyllids

Beet armyworm

General The beet armyworm (Spodoptera exigua) has become a regular problem for horticulturalists due to its resistance to nearly all insecticides, and its ability to develop on wild vegetation during

Bugs

What are bugs? Heteropteran bugs form a group in the order Hemiptera , a highly diverse group of insects, containing both harmful and beneficial species. Heteropteran bugs are insects which have flatt

Cotton leafworm

General The cotton leafworm (Spodoptera littoralis) is a highly polyphagous species feeding on plants of 40 families, containing 87 species of economic importance. It originates in Egypt, and is curre

Tobacco aphid

General The tobacco aphid ( Myzus persicae subsp. nicotianae ) probably evolved from the peach potato aphid in the Far East and is a key pest of tobacco crops in both the United States and South Ameri

Tomato leafminer

General The tomato leaf miner (Tuta absoluta), a major pest of field- and greenhouse-grown tomatoes, belongs to the family of Gelechiidae . It is oligophagous, feeding mainly on Solanaceae species . T

Western flower thrips

General The western flower thrips (Frankliniella occidentalis) is currently the most damaging thrips species in many greenhouse crops. The western flower thrips (Frankliniella occidentalis) can be fou

Impatiens thrips

General Impatiens thrips (Echinothrips americanus) is an increasing problem in greenhouse cultivation, having spread to many countries within the last 30 years. The thrips have mostly been able to spr