Here are the scientific names, families, orders, damaging stages, nature of damage, oviposition and pupation sites, and management strategies for several pests that affect grapevines:
1. Flea Beetle (Chaetocnema denticulata)
- Family: Chrysomelidae
- Order: Coleoptera
- Damaging Stage: Larvae and Adults
- Nature of Damage: Feeding on foliage, causing small holes and skeletonization of leaves
- Oviposition and Pupation Site: Eggs are laid in the soil; pupation occurs in the soil
- Management: Cultural practices such as weed control, crop rotation, and insecticide application if necessary.
2. Grapevine Thrips (Drepanothrips reuteri)
- Family: Thripidae
- Order: Thysanoptera
- Damaging Stage: Larvae and Adults
- Nature of Damage: Feeding on leaves and berries, causing discoloration, distortion, and silvering of leaves, as well as scarring on berries
- Oviposition and Pupation Site: Eggs are laid in crevices of bark and buds; pupation occurs in the soil
- Management: Cultural practices like pruning, weed control, and insecticide application targeting the nymphs and adults.
3. Stem Girdler (Oncideres cingulata)
- Family: Cerambycidae
- Order: Coleoptera
- Damaging Stage: Larvae
- Nature of Damage: Larvae tunnel and girdle the stems, causing wilting and dieback of shoots
- Oviposition and Pupation Site: Eggs are laid in slits on the stems; pupation occurs inside the damaged stems
- Management: Pruning and removal of infested stems, destroying fallen wood, and insecticide application if necessary.
4. Mealybug (Planococcus ficus)
- Family: Pseudococcidae
- Order: Hemiptera
- Damaging Stage: Nymphs and Adults
- Nature of Damage: Sucking sap from leaves and berries, secreting honeydew, and promoting the growth of sooty mold
- Oviposition and Pupation Site: Eggs are laid on plant parts or in crevices; pupation occurs in a cotton-like cocoon
- Management: Biological control agents like ladybugs, parasitic wasps, and insecticide application if infestation is severe.
5. Mite (Tetranychus urticae)
- Family: Tetranychidae
- Order: Trombidiformes
- Damaging Stage: Nymphs and Adults
- Nature of Damage: Feeding on leaves, causing stippling, yellowing, and eventually defoliation
- Oviposition and Pupation Site: Eggs are laid on the underside of leaves; pupation does not occur as mites go through molting stages
- Management: Predatory mites, insecticidal soap, horticultural oil, and selective acaricides can be used for control.
Please note that effective pest management should consider integrated pest management (IPM) strategies, which involve a combination of cultural, biological, and chemical control methods, tailored to the specific pest situation and the vineyard's needs.
If you have Telegram, you can view and join
Knowledge Escalation right away
