Loebner Magnolias Bloom in Columbus

Loebner Magnolia Article

Authored by Claudia Winslett


This is the first bygl-alert over the next several weeks from students in the Horticulture and Crop Science 3410 class, “Sustainable Landscape Maintenance”, now meeting virtually. This alert text and images are by Claudia Winslett (the posting indicates the author is Jim Chatfield; we are working on changing this as students begin submitting these articles).  The pictures are from Columbus, Ohio with its Growing Degree-Days of 99 as of this Sunday. Magnolia stellata, one of the...

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Jim Chatfield

Squiggly Lines on Magnolia Leaves

The highly visible handiwork of the magnolia serpentine leafmining caterpillar (Phyllocnistis magnoliella) is becoming evident magnolias in nurseries and landscapes in southern Ohio.  The moth belongs to the leafmining family Gracillariidae.  The tiny caterpillars of this aptly named moth feed close to the upper leaf epidermis, producing long, thin, serpentine mines that appear as silvery tracks snaking across the leaf surface.


Hosts for this leafminer include bigleaf, cucumber, southern, star, sweet bay, and umbrella magnolias.  Large numbers of mines on a...

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Joe Boggs