Field and silage corn-Garden symphylan

Scutigerella immaculata

Pest description and crop damage Small, white, centipede-like animals with 6 to 12 pairs of legs, rapidly vibrating antennae, and two short projections at rear end. They prune rootlets, feed on root hairs, reduce stands and plant vigor, and can delay harvest in heavily infested plant roots.

Management-chemical control

  • bifenthrin/chlorethoxyfos (SmartChoice HC) at 1.15 to 1.67 oz/1,000 row ft. See spacing charts in label for actual application rates per A. REI 2 days or 3 days where annual rainfall is less than 25 inches. T-band over the row or apply in furrow. Apply with Smartbox system. Do not exceed one application per year. IRAC Group 1B insecticide
  • ethoprop (Mocap 15G) at 1.32 lb ai/A (8.8 lb of granular treatment/A. REI 48 hr or 72 hr where annual rainfall is less than 25 inches. Apply the granules in a 6- to 7-inch band on the row over a closed seed furrow at-planting. Mix the granules with the top 1/2 inch of soil with mechanical equipment during or immediately following application. One application per season. Incorporate in band above seed row. Restricted use pesticide.

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