June 4, 2021
Groundcovers, by definition, are plants that spread. They are often low-growing perennials or shrubs that unify or define landscape beds and borders.
Iowans continue to deal with and recover from the impact of the derecho that swept through the state a year ago this August. The massive loss of trees—over 80,000 in Cedar Rapids alone—coupled with the spread of the emerald ash borer across the state, prompted many citizens to plant and now care for freshly planted trees.
Do you have shallow, conical pits in the dry, sandy soil next to the house? Lucky you! Sounds like you could have doodlebugs.
Bird mites live in bird nests and feed on blood from the baby birds. Until the birds leave the nest and the increasingly hungry mites remain behind.
See this four-part series of videos about the impact on last summer's derecho on the IPM Youtube Channel.
We do not often see leafminers on magnolia, but the Plant and Insect Diagnostic Clinic received a sample that I suspect is damage is from the magnolia serpentine leafminer moth (Phyllocnistis magnoliella).
The caterpillar stage of this moth feeds close to the upper epidermis of the leaf and causes long, sort-of-silvery mines all over the leaf. They are not considered a pest of magnolia as usually it is only a few leaves that are affected.