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Horticulture and Home Pest News
Horticulture & Home Pest News is filled with articles on current horticulture, plant care, pest management, and common household pests written by Iowa State University Extension specialists in the Departments of Entomology, Horticulture and Plant Pathology.

Plant & Insect Diagnostic Clinic Update - March 25, 2009

This article was published originally on 3/25/2009

Insects Termite swarmers have been sent in for identification already this year. See the article about swarmers and their recognition in this issue.  House centipedes can be found in the house any time of the year, including late winter and early spring.  See our Insect Note web site for more information.Burrowing webworms, and especially the cigarette paper webworm are usually noticed  in late summer.  The sample received this week would indicate birds will fid and extract the interesting silk burrow linings at others times of the year as well.  See the article on cigarette paper webworm in this issue. DiseasesThe clinic received a sample of Phythium root rot on a greenhouse grown rosemary plant.  For information on root rots of greenhouse plants please see this article from Kansas State University. We continued to receive samples of evergreen (pine, spruce, arborvitae, yews, concolor fir )  with symptoms of winter desiccation.  For information on symptoms please see article in the March 11, 2009 issue of HHPN. Finally we got a sample of golden canker on Pagoda dogwood.  For more information please see this publication from the University of Wisconsin (pdf).

Year of Publication: 
2009
Issue: 
IC-500( 4) -- March 25, 2009