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Soybean Cyst Nematode

Scientific Name

Heterodera glycines (ITIS; name is valid but unverified)

Common Name

Soybean cyst nematode (SCN)

Native To

First identified in Japan in 1915, but it may have been historically present in China. It is also hypothesized that it may be indigenous to the United States (Davis and Tylka 2000)

Date of U.S. Introduction

First discovered in North Carolina in 1954 (Davis and Tylka 2000)

Means of Introduction

Unknown, may have arrived in imported plant material or soil, or may possibly be indigenous to the U.S. (Davis and Tylka 2000)


Causes stunted growth and reduced yields of soybean crops (Davis and Tylka 2000)

Soybean cyst nematode

The Soybean Cyst Nematode (Heterodera glycines) a plant parasitic nematode and its egg

Find more images

Distribution / Maps / Survey Status

  • Pest Tracker - Survey Status of Soybean Cyst Nematode

    • USDA. APHIS. Cooperative Agricultural Pest Survey. National Agricultural Pest Information System.

  • Soybean Cyst Nematode - Distribution

    • North Central Soybean Research Program. Soybean Research and Information Initiative.

    • Scroll and select Distribution to view known distribution of the soybean cyst nematode, Heterodera glycines, in counties in the United States and Canada in selected years from 1957 to 2014.


Selected Resources

The section below contains highly relevant resources for this species, organized by source.