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 Group 1B insecticide
  • SmartChoice 5G at 3.0 to 3.5 oz/100 ft. 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.
  • 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.
  • ethoprop (Mocap 15G) nematicide/insecticide at 1.2 oz ai/1,000 row ft. REI 48 hr or 72 hr where annual rainfall is less than 25 inches. One application per season. Incorporate in band above seed row.
  • terbufos (Counter 15G) at 0.056 to 0.075 lb ai/1,000 row ft. REI 48 hr or 72 hr if annual rainfall is less than 25 inches. Do not exceed 1.3 lb ai/A per season. Band or furrow at planting. Refer to label for aquatic advisory.

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