No. 16/September 19, 2011
Last Biweekly Issue
This is the next to the last issue of the Home, Yard, and Garden Pest Newsletter for 2011. It is also the last issue published every other week for the year. The last issue for 2011 will be published about one month from now in mid-October. It will contain the index of articles published through the year in the newsletter.
Periodical Cicada Hatched
Inspection of damaged tree branches collected near Decatur, IL in Macon County on September 8, 2011 revealed empty egg cases of periodical cicada. The eggs were inserted by the females into tree twigs and branches in June. They hatch several weeks later in late August to early September.
Leaf Galls on Pin Oak
Abnormal leaf growths show up at various times during the year on our landscape plants. Leaves get bumps, blisters, and other warty type growths varying in size from a pin head to marble sized. These are leaf galls and they are unattractive only because they are not normal.
Emerald Ash Borer Recent Finds
Emerald ash borer (EAB) has been found recently in three Illinois counties that were not known to have the insect previously. They are Kankakee, Marion, and Effingham counties.
The U of I Plant Clinic Will Be Moving Soon!
The U of I Plant Clinic has been located on 1401 St. Mary's Road, in Urbana, (near the U of I South Farms), for approximately 35 years. We have begun the transition of relocating the U of I Plant Clinic to new labs at S-417 Turner Hall, which is located on the U of I campus.
Is Your Hosta Hosting Hostile Pathogens?
The hosta is a popular landscaping plant, loved for its beautiful variety of foliage, and ease of cultivation. Around this time, delicate purple or white flowers develop before frost. Some of the most prevalent pathogens on hosta in Illinois are discussed.