EENY-289: Confused Flour Beetle, Tribolium confusum Jacquelin du Val (Insecta: Coleoptera: Tenebrionidae) and Red Flour Beetle, Tribolium castaneum (Herbst) (Insecta: Coleoptera: Tenebrionidae)
Figure 4. "Four-segemented" or gradual club of an adult confused flour beetle, Tribolium confusum Jacquelin du Val.
