Identification keys of storage pest: Red flour beetle- #Indiafoldscopephase 1

  • Soumitra Banerjee

Infestaion found in: Black cumin

Fig. Infested black cumin spice

Macrostructure image of infested pest:

Fig: Infested pest found in black cumin spice

Assumed pest: Red flour beetle (Tribolium castaneum)

Morphological characteristics (as observed under Foldscope)

  • Three-segmented antennal club and last three antennal segments larger than all others, almost square (Fig. 1)
  • Elytra with punctate, parallel-sided striations (Fig. 2)
  • 4 segments in tarsus of  hind leg (Fig. 3)
  • Hind wing with folding lines and has dot like cells between the lines


Fig(1): Antennae of Red flour beetle under foldscope


Fig(2): Elytra of Red flour beetle under foldscope


Fig(3 ):  Hind leg of Red flour beetle under foldscope


Fig(1): Hind wing of Red flour beetle under foldscope


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