• Citrus mealybug

  inflict damage on the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing [...] photosynthesis and therefore the yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate intake [...] intake of protein, mealybugs must therefore ingest large quantities of sap, getting rid of the excess sugars in the form of honeydew. Characteristically, dark

• Cotton aphid

  reduce yield. Plant sap is rich in sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein

• Two-spotted spider mite

  Larvae, nymphs and adults cause damage to the host plant by feeding on plant sap. They mainly occur on the underside of leaves where they pierce the cells [...] plant growth. As damage increases, whole leaves turn yellow, and as more cell sap is removed, the leaf, and eventually the whole plant, may die. In tomatoes [...] and tend to cluster on the undersides of leaves, where they feed on plant sap. They produce fine webbing over the infested area. Damage: Spider mites can

• Cannabis aphid

  developing on cannabis plants, as well. Damage symptoms The cannabis aphid is a sap sucker, like all aphids , and affected plants are damaged by the loss of this [...] may be observed when plants are infested with Phorodon cannabis : Excess sap is excreted on leaves and flowers as a sticky “honeydew” which promotes the

• Operation Mealybug

  off; Plant sap is low in proteins and rich in sugars. In order to gain an adequate intake of protein, mealybugs must ingest large quantities of sap, getting [...] inflict damage on the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and/or yellowing of

• Spider mites and other mites

  mites? Plant mites are a diverse group of small arthropods that feed on plant sap. They are found in a wide variety of habitats, from forests and grasslands [...] found in colonies on the undersides of leaves, where they feed on the plant's sap. The damage caused by plant mites can result in discolored or speckled leaves [...] have two pairs of legs. During this stage, the larvae start to feed on plant sap and undergo molting to transition to the next stage. Nymph: After the first

• Whitefly – small pest, big problem

  February 2, 2023

  whitefly need protein to grow, which they obtain by extracting sap from plants. The sap contains a variety of sugars; the excess is secreted as honeydew

• The top ten pests in roses

  August 18, 2022

  several variants of this insect. Mealybugs suck the sap out of plants and weaken them. The sugars in the sap are secreted out again by the bugs and form honeydew

• Glasshouse potato aphid

  aphids are born as developed nymphs. They immediately start to feed on plant sap and grow rapidly. When reproduction is sexual, the aphids lay eggs that overwinter

• Tomato

  particular affinity for tomato plants and can stunt their growth by extracting sap from the leaves and stems. Additionally, the Potato aphid ( Macrosiphum euphorbiae [...] soft-bodied insects can be found mostly on the stems where they feed on the sap of tomato plants, causing stunted growth and yellowing of the leaves. Their [...] notorious mite feeds on tomato plants by piercing the plant cells and extracting sap, leading to stippling, yellowing, and ultimately, reduced photosynthesis.