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About Red Flour Beetle and Rice Moth These two insects are common pests of shelled groundnuts (kernels or seeds). However, they are considered as secondary.

Published byAlban Weaver Modified over 9 years ago

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Presentation on theme: "About Red Flour Beetle and Rice Moth These two insects are common pests of shelled groundnuts (kernels or seeds). However, they are considered as secondary."— Presentation transcript:

1 About Red Flour Beetle and Rice Moth These two insects are common pests of shelled groundnuts (kernels or seeds). However, they are considered as secondary pests as they are not capable of infesting well formed and undamaged pods. Virtual Academy for the Semi Arid Tropics Lesson 1: Red Flour Beetle and Rice Moth Course on Insect Pests of Groundnut Module VI: Storage Pests

2 Virtual Academy for the Semi Arid Tropics Lesson 1: Red Flour Beetle and Rice Moth Course on Insect Pests of Groundnut Module VI: Storage Pests About Red Flour Beetle Adult red flour beetles are 3-4 mm long, oblong, and coppery brown in color. Slender cylindrical larvae start feeding on the seed after hatching from the egg.

3 Virtual Academy for the Semi Arid Tropics Lesson 1: Red Flour Beetle and Rice Moth Course on Insect Pests of Groundnut Module VI: Storage Pests About Rice Moth The rice moth has grayish brown forewings. The creamy white larvae start feeding on the seed immediately after they hatch.

4 Virtual Academy for the Semi Arid Tropics Lesson 1: Red Flour Beetle and Rice Moth Course on Insect Pests of Groundnut Module VI: Storage Pests Damage to Groundnut Kernels The signs of damage can be easily recognized. The presence of webbing indicates rice moth infestation.

5 Virtual Academy for the Semi Arid Tropics Lesson 1: Red Flour Beetle and Rice Moth Course on Insect Pests of Groundnut Module VI: Storage Pests Damage to Groundnut Kernels The signs of damage can be easily recognized. Powdery remnants of kernels (but no webbing) reveal red flour beetle infestation.

6 Virtual Academy for the Semi Arid Tropics Lesson 1: Red Flour Beetle and Rice Moth Course on Insect Pests of Groundnut Module VI: Storage Pests Management of Storage Pests Maintenance of optimum moisture content (not >5%) is always critical in preventing the development of storage pests. For protection against these 2 storage pests groundnuts should be stored unshelled.

7 Virtual Academy for the Semi Arid Tropics Lesson 1: Red Flour Beetle and Rice Moth Course on Insect Pests of Groundnut Module VI: Storage Pests Management of Storage Pests If groundnuts are stored as seed, care should be taken to avoid breakage. Broken seeds should not be stored for long periods. Dusting with an inert substance such as attapulgite-based clay dust (ABCD) can help to minimize storage insect problems.

8 With this, the Lesson 1 on Red Flour Beetle and Rice Moth in groundnut concludes. Next, Lesson 2 is about Pod Sucking Bug in groundnut. Select Lesson 2 in Module VI contents Virtual Academy for the Semi Arid Tropics Course on Insect Pests of Groundnut Module VI: Storage Pests

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