Iowa State University
INDEX A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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 and Insect Diagnostic Clinic Update - September 27, 2013

This article was published originally on 9/27/2013

The following are highlights and updates about samples and questions recently received in the Plant & Insect Diagnostic Clinic. Visit the PIDC’s Facebook page to ask questions and for updates and more pictures.
 
Insects
Now is the time to be watching for the brown marmorated stink bugs to be resting on the south side of the house or entering to spend the winter.  Please let us know if you spot anything similar to the photo below.  Read more about BMSB.
 
Cedar beetles have been numerous around some trees as they gather in mating groups. Cedar beetles are harmless to trees, the larvae are actually parasites of cicada larvae and the adults do not feed on trees. Observing swarms of large beetles around trees can cause concern, but you can just sit back and enjoy observing the beetles.
 
Black swallowtail caterpillars have been observed on fennel, parsley, and other members of the carrot family. These beautiful caterpillars are almost done feeding and will soon be making chrysali. They will spend the winter as chrysalis and adult butterflies will emerge in the spring.
 
 
BMSB can be recognized by the banded antennae and abdomen.BMSB can be recognized by the banded antennae and abdomen.
 
The antennae of cedar beetles are distinctive!
The antennae of cedar beetles are distinctive!
 
The black swallowtail butterfly caterpillar feeds on dill, fennel, parsley and related plants.
The black swallowtail butterfly caterpillar feeds on dill, fennel, parsley and related plants.