Spider Mites (General) Credits:Biovision-Infonet 1. Geographical Distribution in Africa 2. General Information on Pest and Damage Generally, spider mites prefer the undersides of leaves, but in severe infestation will occur on both leaf surfaces as well as on the stems and fruits. They suck the sap of plant tissues. Infestations are most serious in hot […]
Monthly Archives: September 2019
Diamondback Moth
Diamondback Moth Credit: Biovision-Infonet 1. Geographical Distribution in Africa 2. General Information on Pest and Damage Damage Throughout the world diamondback moth is considered the main insect pest of brassica crops, particularly cabbages, kales, broccoli and cauliflowers. The economic impact of diamondback moth is difficult to assess since it occurs in diverse small scale and large-scale production […]
Aphids
Credit:Biovision- Infonet Geographical Distribution in Africa 2. General Information on Pest and Damage Introduction Major species of aphids attacking crops in Africa: Banana aphid (Pentalonia nigronervosa) Black bean aphid (Aphis fabae) Cabbage aphid (Brevicoryne brassicae) False cabbage aphid (Lipaphis erysimi) Citrus aphid (Toxoptera citricidus, T. aurantii) Green peach aphid (Myzus persicae) Groundnut aphid (Aphis craccivora) Cotton aphid […]