Later the leaves bronze or yellow, and may die or drop. Heavily infested plants become stunted or die. Flowers may be faded. Thrips are not truly sucking insects as they feed by rasping open leaf tissues before sucking up the liquid contents. There are usually both winged and wingless forms.
Some aphids appear powdery or wooly because of a waxy covering.
Aphids cluster on the undersides of leaves, on succulent stems, and on flower buds. Eggs are clustered in white waxy masses. The scalelike young are mostly pale green to yellow-white, oval in outline, and flat on top. The immatures are attached to the leaf undersurfaces. These are small, slender, yellow-black insects with narrow fringed wings.