Plant and Insect Diagnostic Clinic Update – May 23, 2018

The following are highlights and updates about sample submissions for our different services (identification or Plant problem diagnosis from fruit, vegetables, and ornamentals), and questions recently received in the Plant and Insect Diagnostic Clinic. Visit the PIDC's Facebook page for updates and more pictures. For more information on a particular disease or insect problem listed, follow the article cited.

This table lists our most common diagnosis from  May 14 to May 23, 2018

Plant Problem diagnosis  (link to encyclopedia article)

Flag smut of grasses caused by the fungi Urocystis agropyri
Flag smut of grasses caused by the fungi Urocystis agropyri

Lawn, turfgrass: flag smut

Blue Spruce, Colorado Blue Spruce: Stigmina needle cast

Pear: Suspected abiotic condition leading to Decline

We accept digital images in order to assist in determining what type of sample is most appropriate to submit, check out our new video "Taking Good Photos For Plant Diagnosis"

Insect identification

Sitophilus sp. weevil

Odorous house ant

Lone star tick nymph

Bat tick

Bat bug

Evidence (signs) of Stigmina on needles
Evidence (signs) of Stigmina on spruce needles

Brown marmorated stink bug

Dermestid beetles

Indianmeal moth

Plant Identification

Field Bindweed

Mushroom Identification

See our Facebook post on morels:

Links to this article are strongly encouraged, and this article may be republished without further permission if published as written and if credit is given to the author, Yard and Garden, and Iowa State University Extension and Outreach. If this article is to be used in any other manner, permission from the author is required. This article was originally published on May 23, 2018. The information contained within may not be the most current and accurate depending on when it is accessed.