< Horticulture  Udea rubigalis  
 
 
        
      | Greenhouse Leaftier | |
|---|---|
| Type: | Insect | 
| Binomial: | Udea rubigalis | 
| Order: | Lepidoptera | 
| Metamorphosis: | Complete | 
| Damaging stages: | Larval | 
Udea rubigalis is a pest insect of greenhouses, field crops, and landscape ornamentals, native to North America. They can cause heavy damage, particularly to greenhouse plants.
Description
Larvae (caterpillars) are yellow to green, with a white stripe on the back. Older caterpillars create webbing which ties leaves together for protection.
Adult is a small brown moth (wingspan about 3/4 inch).
Symptoms and Signs
Tied leaves, heavy feeding damage.
Ecology
White eggs are laid on the leaves. Complete life cycle takes about 40 days.
Host plants
- Ambrosia (Ragweeds)
 - Anemone
 - Antirrhinum (Snapdragon)
 - Begonia
 - Beta (Beets)
 - Calendula (Pot Marigold)
 - Camellia
 - Canna
 - Chrysanthemum
 - Cirsium (Thistle)
 - Coleus
 - Daucus (Carrot)
 - Dianthus (Carnation)
 - Glechoma (Ground Ivy)
 - Lactuca (Lettuce)
 - Lathyrus (Sweet Pea)
 - Pelargonium
 - Pericallis
 - Rhododendron (Azalea)
 - Rosa (Rose)
 - Petroselenium (Celery)
 - Petunia
 - Phaseolus (Beans)
 - Salvia (Sage)
 - Spinacia (Spinach)
 - Viola (Violets)
 
Control
- Predators and parasites: A parasitoid wasp, Meteorus autographae
 - Biocontrols (microscopic): Bacillus thuringensis
 
References
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