Sap-sucking Plant Lice, a.k.a. Aphids

A common pest in the flower and vegetable garden are small insects called ‘plant lice’ or more commonly called aphids. Attacking stressed plants hardest in times of drought, these destructive insect pests are the bane of every gardener and farmer.
There are many different species of aphids and while some feed upon the sap of just one specific type of plant (monophagous) there are some species of aphids that will feed upon any of several hundred different plants.

Aphids pierce the stem, stalk or leaves of their host plant and drink… From: Aphids, Crop Damage & Eco-Safe Tips to Rid Them