Lygus lineolaris
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| Tarnished Plant Bug | |
|---|---|
 |
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| Binomial: | Lygus lineolaris |
| Order: | Hemiptera |
| Metamorphosis: | simple |
| Diseases vectored: | Some viral diseases |
The Tarnished Plant Bug is a serious pest of both food crops and ornamentals, with a wide range of hosts and capable of causing considerable damage.
[edit] Description
[edit] Symptoms and Signs
Buds and terminal branches often become yellowed, wilted, or aborted due to heavy sap feeding.
[edit] Ecology
[edit] Host plants
Affected genera include but are not limited to the following:
- Amaranthus (Amaranth)
- Apium
- Armoracia (Horseradish)
- Asparagus
- Aster
- Astilbe
- Beta (Beet)
- Brassica (Coles)
- Capsicum (Pepper)
- Chenopodium
- Chrysanthemum
- Cichorium
- Citrullus (Watermelon)
- Conyza (Horseweed)
- Coriandrum (Coriander, Cilantro)
- Cucumis (Cucumber, Melon)
- Cucurbita (Squash)
- Cynara (Artichoke)
- Dahlia
- Daucus ( Carrot)
- Erogeron (Fleabane)
- Foeniculum (Fennel)
- Fragaria (Strawberry)
- Glycine (Soybean)
- Gossypium (Cotton)
- Helianthus (Sunflower)
- Hydrangea
- Impatiens
- Ipomoea (Morning Glory, Sweet Potato)
- Lactuca (Lettuce)
- Laryx (Larch)
- Lycopersicon (Tomato)
- Malus (Apple)
- Medicago (Medic, Alfalfa)
- Papaver (Poppy)
- Pastinaca (Parsnip)
- Petroselinum (Parsley)
- Phaseolus (Bean)
- Phlox
- Picea (Spruce)
- Pinus (Pine)
- Pisum (Pea)
- Prunus (Stone Fruits)
- Pseudostuga (Douglassfir)
- Pyrus (Pear)
- Raphanus (Radish)
- Rubus (Bramble)
- Rudbeckia (Coneflower)
- Rumex (Dock)
- Salvia (Sage)
- Solanum (Nightshades)
- Solidago (Goldenrod)
- Spinacia (Spinach)
- Tagetes (Marigold)
- Trifolium (Clover)
- Verbena
- Viburnum
- Vicia (Vetch)
- Vigna
- Zea (Corn)
- Zinnia
[edit] Control
- Cultural controls: Do not mow weedy areas while susceptible fruit plants are flowering, to avoid the pest migrating from weeds to garden plants.
- Pesticides: Fenvalerate
- Organic pesticides: Neem Oil
- Predators and parasites: Anaphis iole (eggs), Leiophron uniformis (nymphs), Peristenus pallipes (nymphs) Peristenus pseudopallipes (nymphs), and Peristenus digoneutis
