American bollworm: Helicoverpa armigera (Hubner)  (Lepidoptera: Noctuidae)

Description:

• Eggs :Laid single and in all parts of plant and yellowish, shiny
• Adult:Stout, yellowish brown with a dark speck area on the forewings, which have grayish wavy lines and a black kidney shaped mark whereas the hind wings are whitish with blackish patch along the outer margin. 
• Larva:35 mm long, greenish brown with dark gray yellow stripes along the sides of the body.

            

            Eggs                                          Larva                                   Pupa                                     Adult

Damage symptoms:

• Feeds on squares, flowers and small as well as big sized bolls.
• Flaring up symptoms and dropping of squares.
• Entry holes on boll.
• Bad opened bolls

                                          

                                                                          Damaging symptom