Albert Lea Seed House Oat Production Guide - Page 39

Figure 14.3. Red flour beetle Tribolium castaneum – antennal club abruptly enlarged. Figure 14.4. Confused flour beetle Tribolium confusum– antennal club gradually enlarged. Back Figure 14.5. Red flour beetle Tribolium castaneum – gap between eyes relatively narrow (about 33% of head width). Figure 14.6. Confused flour beetle Tribolium confusum– gap between eyes relatively wide(about 50% of head width). 39 Back