Identification keys of storage pest: Drug store beetle- #Indiafoldscopephase 1

  • Soumitra Banerjee

Infestation found in: Coriander seed

Fig. Infested Coriander spice

Macrostructure image of infested pest:

Fig: Infested pest found in Coriander spice

Assumed pest: Drug store beetle (Stegobium paniceum)

Morphological characteristics ( as observed under Foldscope)

  • Antennae ending with three enlarged segments(Fig 1)
  • Elytra have rows of pits giving them a striated (lined) appearance (Fig 2)
  • Five segments in  tarsus of hind leg (Fig 3)
  • Hind wing with folding lines and has dot like cells between the lines( Fig 4)

Fig. 1: Antenna of Drug store beetle under foldscope

                                                          

Fig. 2: Elytra of Drug store beetle under foldscope

                                   

Fig. 3: Hind leg of Drug store beetle under foldscope

                           

Fig. 4: Hind wing of Drug store beetle under foldscope

 

 

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