There are multiple metric units to choose from! This tutorial goes through the process of choosing the best metric unit to use for measuring the mass of a given object.
The most common aphids on houseplants are the light green ones (pear aphids), but aphids can also be found colored pink, white, grey and black. Additionally, winged aphids can appear when colonies are established and fly to infect new plants. Juvenile aphids (nymphs) look like smaller versions of the adults.
The damage caused by Broad Mites is compounded by the fact that some mites are carriers of Botrytis. Since Broad Mites will quickly move from plant to plant, it is important to detect them early. Distinguishing Symptoms. Visible insects or other pests. Broad Mites are arachnids and, as such, have eight legs. They are white, yellow or brown in color and measure about 1/150 inch. Because of their tiny size, you will probably need a magnifying glass to see them. When present, they will be found predominantly on the underside of the leaves, especially along the veins.