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Root Grub
| Symptom of Damage : |
- They feed on roots.
- Yellowing and gradual wilting of entire plants.
- Stunted plants.
- Root loss.
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| Grub damage |
Grub damage |
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| Identification of pest : |
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Scientific Name - Leucopholis irrorata
- Egg :
The eggs are pearly white and elongated or ovoid in shape.
- Grub :
The grub is creamy white and has a pair of sclerotized mandibles. Three pairs of prominent legs are visible on the thoracic area and its body is curled in a C-shaped position.
- Pupa : The pupa is dark brown.
- Adult :
The adult beetle is black or dark brown in color. Its pronotum is not margined except for its lateral edges. The male has a longer antennal club than the female adult. While the female has a broader tibial spur with a rounded end, the male has a slender and pointed tibial spur. |
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| Root grub larva |
Root grub |
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| Root grub adult |
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| Management Strategies : |
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- Scoliid wasps parasitize the larvae.
- Carabid beetles, birds, toads, bats, and storks also eat the larvae and adults.
- The larvae are also infected by fungal pathogens.
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| Carabid beetle |
Scoliid wasps |
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