July 1, 2009

Plant and Insect Diagnostic Clinic Update - July 1, 2009


The following are highlights and updates about samples and questions received in the Clinic during the past two weeks:


Insects


Tiny Stalk Borers are Big Garden Headache


The common stalk borer is a slender, purple and white striped caterpillar found tunneling inside the stems of a wide variety of plants.

Japanese Beetle Distribution


The most recent discovery of Japanese beetles in the state of Iowa started in 1994 in Scott County.

Dividing Bearded Iris


Bearded irises are very popular perennials found in many Midwest landscapes. The flower of the bearded iris consists of 3 inner segments (petals) known as standards.

Japanese Beetles Are Back!


They're Back! The first reports of Japanese beetles for the year have been received. See photo below for identification details.

 

Soldier Beetles Common on Blossoms Now


Soldier beetles are elongate-narrow, soft-bodied insects about ½ to ¾ inch in length. Colors vary from yellow to red with brown or black marks at the tips of the wings.