Aphid suction trap network in the US Midwest

The Suction Trap Network (STN) was initially established in Illinois by David Voegtlin and David Onstand in 2001. In 2005 the STN expanded to include sites in Indiana, Iowa, Michigan, Minnesota and Wisconsin. A few years later, the network expanded again to include Kansas, Kentucky, Louisiana, Missouri and South Dakota. Most of suction traps are placed on university research farms. The initial objective of the STN was to monitor the invasive soybean aphid species, Aphis glycines. The STN function includes providing information on: counts on the soybean aphid and other aphids considered as crop pests or not, and generates data for collaboration with other researchers and provides information for outreach activities through online and extension. The STN currently (2021) has 35 suction traps in operation with a total of 51 unique locations that were operational at some point.