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.
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.
The antennae of cedar beetles are distinctive!
The black swallowtail butterfly caterpillar feeds on dill, fennel, parsley and related plants.