*4.5.2 Dark or black mealworm (*Tenebrio obscurus *Fabricius, 1792 Coleoptera: Tenebrionidae)*

*Distribution:* Being cosmopolitan in nature this pest is found all around the world, especially across Canada.

*Host range*: The presence of long, cylindrical, white larvae, usually attached to food materials is the main symptom of an infestation.

*Bionomics:* Dark mealworm resembles a yellow mealworm but differs in being dull pitchy black in contrast to the shiny or polished dark brown or black color. Larvae are long, cylindrical, and initially black but later turned into a blackish color.

*Damage symptoms*: Larvae are voracious feeders and their presence shows maximum infestation.
