Albert Lea Seed House Oat Production Guide - Page 33

Return to preceding couplet (3’). short antennae long antennae three tails no tails Figure 4.1. Figure 4.2. 4 4’ Larger insect with two long antennae and three distinct tails present. Silverfish or Firebrat May be large or small insect with antennae but no distinct tails. Go to couplet 5 Return to preceding couplet (4’). 11 mm or more 10 mm or less Figure 5.1. Figure 5.2. 5 5’ Larger insect, 11 mm or more in length. Yellow mealworm – Tenebrio molitor Smaller insect, less than 1 mm in length. Go to couplet 6 33