Common name: Rugose spiralling whitefly
Scientific name: Aleurodicus rugioperculatus (Hemiptera: Aleyrodidae)
Origin: Believed to have originated from Central America and its incidence is limited to Belize, Mexico, Guatemala and Florida in Central and North America.
Distribution: Tamil Nadu. Karnataka, Kerala, Andhra Pradesh, Goa and Assam
Host Plants: Coconut, banana, mango, sapota, guava, cashew, maize, ramphal, oil palm, Indian almond, water apple, jack fruit and many other ornamental plants like bottle palm, Indian shot, false bird of paradise, butterfly palm
Nature of damage: Nymphs and adults suck the sap from the leaves by direct feeding especially on underside of the leaflets. Adults produce the large quantities of honey dew excretion which in turn completely darken by sooty mold development on the upper surface of leaves and also understory crops.
The typical concentric waxy spiraling symptoms were noticed on various parts of host plants including on leaf petiole and tender nuts. Waxy flocculent material produced by adults cause nuisance to human being where heavily infested areas.