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Hemp Insects

The Hemp Insect Website is designed to provide hemp producers a way to recognize and to better understand the insects, mites, and other “bugs” that are present when this crop is grown in North America.

The goals of the Hemp Insect Website are to: (1) Provide description of all insects and mites observed in production of hemp; (2) Provide information on the habits of all insects that are associated with hemp production.

In this start-up form (2017), the Hemp Insect Website is giving particular attention to insects and mites that are present within the western region of the United States.  Furthermore, you will see that there is presently a particular focus on what is present in Colorado, as preliminary surveys have been made in this state in 2015-2016.  However, as the goal of this website is to provide progressively more comprehensive treatment of insects associated with hemp production, submission of photos and inquiries about insects observed on hemp from anywhere in the United States are also encouraged.

Note: This website is limited to insect issues involving hemp, defined as Cannabis grown for seed, fiber, or non-THC pharmaceutical products.  This is not a forum for marijuana. Industrial hemp means a plant of the genus Cannabis and any part of the plant, whether growing or not, containing a delta-9 tetrahydrocannabinol (THC) concentration of no more than three-tenths of one percent (0.3%) on a dry weight basis.

Please check it out by following the link below!

CSU Hemp Insect Website 


This website is being developed and managed by Melissa Schreiner and Whitney Cranshaw, Department of Agricultural Biology, Colorado State University, Fort Collins, CO  80523

Funding for this project has been provided, in part, by the Western Region IPM Center and the Colorado Agricultural Experiment Station.

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