| DESCRIPTION: Mite - 0.2-0.3 mm yellowish-orange 2 pairs of legs | |||||||
| BACKGROUND | LIFE CYCLE | ||||||
| Availability | Habitat | Adult Emergence | Egg Laying | Larva Development | F1 | Adult Life Span | Over Winters |
| N | Host plant range Tolerating a variety of habitats | May | May to frost, in gall on stem | Bud galls | Every 10 days | 10 days | In gall, in stem on rosettes |
| ATTACK | COLLECTION | NOTES | |||||
| Stage | Damage | Life Stage | Method | Transfer to release site immediately; mites will exit plant material as it dessicates. | |||
| Nymph - | Galls destroy flower and vegetative buds | May to September galls | Clip galls | ||||
| DESCRIPTION: Rust-brown colored pustules surrounded by yellow halo | |||||||
| BACKGROUND | LIFE CYCLE | ||||||
| Availability | Habitat | Adult Emergence | Egg Laying | Larva Development | F1 | Adult Life Span | Over Winters |
| G | Host plant range | In spring the sexual stage of fungus is produced; 12 to 16 days after innoculation | Spring to fall upper and lower leaf surfaces | Spring to fall on rosette, leaves, stems, and spread to flowering stems and buds | Continuous | N/A | On flowering stems and buds. Dormant over winter |
| ATTACK | COLLECTION | NOTES | |||||
| Stage | Damage | Life Stage | Method | Some varieties of Rush skeletonweed are resistant to the fungal infection. | |||
| Pustules - | Leaf and stem pustules | Spring to fall collect infected plant material | Clip infected material | ||||