Aphids
several ways, and the damage can vary depending on the species of aphid and the type of plant being attacked. The following are common signs of aphid damage: [...] larger than the other. For a large part of the season an aphid population consists of viviparous females. As reproduction is asexual, the progeny of a single [...] feed on the sap of plants, which can cause the leaves to turn yellow or become distorted. The damage is often more pronounced on the younger leaves of the