Explanation

(a) ldentification of specimens K and L

• Specimen K- Rhinoceros beetle
• Specimen L - Rat

(b) Crops commonly attacked by specimens K and L

Specimen K (Rhinoceros beetle)

• Oil palm
• Rafia palm
• Coconut plam
• Yam
• Cocoyam
• Banana

Specimen L- Rat

• Cassava
• Vegetables
• Oil palm
• Groundnut
• Banana
• Yam/cocoyam/sweet potatoes
• Cereal grains (stored or field)

(c) Damage caused by specimens K and L beetle Damage caused by specimen K (Rhinoceros

• Burrows into farm produce.
• Reduces the quality of farm produce.
• Burrows into the developing spear of the oil palm or other palms.
• Damages the growing point of young palms
• Wounds serve as entry points for secondary infection
• May cause young plants to break/fall/lodge.

Damage caused by specimen K (Rat);

• Eats young plants such as young oil palm, Cereals, and groundnuts.
• Destroys the roots of crops when it burroWs and causes them to lodge.
• Eats up roots and tubers of crops.
• Eats up vegetables on the farm.
• Reduces the quality of produce.
• Wounds serve as entry points for secondary infection
• Contaminates produce with faeces and urine.
• Reduces yields of crops.

(d) Ways of controlling specimen K (Rhinocerous beetle) and L (Rat)

Control of specimen K (Rhinocerous beetle);

• By hand-picking.
• By use of insecticide.
• Destroy felled palms and stumps by burning.
• Biological - use known natural enemies to control them

Control of specimen K (Rat);

• By setting traps.
• By using repellents.
• Rat-proofing.
• By poisoning/use of rodenticides.
• Biological - using predators such as cats and dogs.

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