Boxwoods have so many pests it’s a wonder we continue to grow them. On top of boxwood mites, psyllids, and leafminers boxwood blight has been spreading since 2011. Boxwoods are special though so we work to protect them from each new threat. That work will get harder if box tree moth gets established in North[Read More…]
Resources for landscapes and gardens in the Midwest
Landscape Report
Entomology
It’s never too early to protect your trees from spongy (previously gypsy) moth! Across the Central and Northeastern US spongy moths had a population boom this summer. Although we do not have firm predictions for next year yet, you can still start planning and protecting your trees now! Fall is the perfect time to check[Read More…]
This article, and many others, will be presented at the 2018 Purdue Turf and Landscape Field Day on July 10th. Registration is open and available online: https://www.mrtf.org/event/turf-and-landscape-field-day/?event_date=2018-07-10 Here is the lineup for the field day. A cultural weed control method is one that involves steps to reduce or eliminate weeds via maintenance techniques. In landscapes, the[Read More…]
As we move into summer it is time to be on the lookout for Japanese beetles. They are already being reported by Indiana Nursery Inspectors in Southern Indiana. Continued warm weather and precipitation should bring them out throughout the rest of the state over the next few weeks. See our bulletin Japanese Beetles in the[Read More…]
After surveying 72 sites across Indiana and Illinois in the coldest part of our states where bagworms are found, we determined that while many bagworms were killed, enough survived to keep bagworms near the top of our landscape problem list. NOW is the time to inspect your plants for bagworms. For details on the cold[Read More…]
Spring provides a great opportunity to kill insects that winter in vulnerable stages on leafless twigs, or on last year’s hardened off evergreen leaves or needles. The absence of tender leaf tissue makes it possible to use higher concentrations of oil that can kill insects without harming the plant. Dormant oil applications can have the[Read More…]
Although winter weather came late this year, when it finally arrived at the end of December, it was fiercely cold with temperatures dipping well below 0 ˚ F. Most Indiana insects can survive these temperatures. One serious defoliator, the evergreen bagworm may have been killed by the cold weather. What are bagworms? Bagworms, Thyridopteryx ephemeraeformis[Read More…]
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