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Examples of Toxicogenic insects and their Disease (Toxicoses)
Common name Scientific name Name of disease
1 Potato leafhopper Empoasca fabae Hopper burn of potato.
2 Cercopid Tomaspis inclusa Frog hopper blight of sugarcane.
3 Pineapple mealy bug Dysmicoccus brevipes. Mealy bug wilt of pineapple,
Green spotting of pineapple.
4 Psyllid bug Bactericera (=Paratrioza) Psyllid yellows of potatoes.
cockerelli
5 Squash bug Anasa tristis Anasa wilt of cucurbits
Example of Bacterial disease and their Vectors
Name of Disease Common name (Vector) Scientific name (Vector)
1 Bacterial wilt of cucurbits Cucumber beetle Diabrotica vittata D. undecimpunctata
2. Bacterial wilt of corn Corn flea beetle Chaetocnema pulicaria
3. Bacterial wilt of solanaceae Potato beetle Leptinotarsa decemlineata
4. Black rot of crucifers Cabbage worm Pieris brassicae
5. Bean bacteriosis Thrips Heliothrips fomoralis
6. Potato black leg Seed corn maggot Delia platura
7. Soft rot of crucifers Cabbage maggot Delia radicum
Example of Fungal disease and their Vectors
Name of Disease Common name (Vector) Scientific name (Vector)
1. Wilt of cotton Grasshoppers Melanoplus differentialis
2. Red rot of sugarcane Sugarcane stem borer, Weevil Diatraea saccharalis
3. Black leg of cabbage Cabbage maggot Hylemya brassicae
4. Potato scab Flea beetle Epitrix cucumeris
5. Leaf spot of tomato Flea beetle Epitrix cucumeris
6. Sooty mould of orange White fly Aleyrodes citri
7. Ergot of cereals & grasses Carabid beetle, Flies Carabus spp. Sciara thomae
Example of Viral disease and their Vectors
Name of Disease Common name (Vector) Scientific name (Vector)
1. Tungro disease of rice Green leafhoppers Nephotettix virescens
2. Dwarf disease of rice Green leafhoppers Nephotettix nigropictus
3. Cucumber mosaic Aphid Aphis gossypii
4. Tobacco mosaic Aphid Myzus persicae
5. Pumpkin mosaic Cucumber beetles Diabrotica vittata
6. Spotted wilt of tomato Thrips Thrips tabaci
7. Spindle tuber of potato Grasshoppers Melanoplus spp.
