October 4, 2017

BugGuide Needs Your Help!

Please consider supporting BugGuide.net. Your donations will help us fund a staff member that can work on development and a half-time staff member working on collaboration with other projects and agencies like iNaturalist and LepSnap and the Nature Conservancy and the Xerces Society and USGS and others.

Plant and Insect Diagnostic Clinic Update - October 3, 2017

The following are highlights and updates about samples 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 (hyperlink) cited.

Plant Diseases and Insect Damage

The following highlights represent recent sample submissions from fruit, vegetables, and ornamental plants.  

Witch Hazels

Witch hazel blooms.

While most trees and shrubs bloom in spring or summer, witch hazels are a notable exception.  Common witch hazel (Hamamelis virginiana) blooms from mid-October to early December.  Vernal witch hazel (Hamamelis vernalis) and the intermedia witch hazels (hybrids resulting from crosses between Japanese and Chinese witch hazels) flower from early February to late March. 

Manual Provides Instruction for Growing Produce in a High Tunnel

High tunnels are inexpensive, passive solar structures that are designed to extend the growing season and intensify production. While relatively new to agriculture in the United States, high tunnels can increase profits for producers when properly managed.