Jatropha Curcas is getting importance commercially as the need of nonrenewable fuel sources increases enormously and likewise Jatropha is an environmentally friendly energy plantation. Plantation of this plant is considered to be an exceptional fuel alternative and it is likewise extremely economical compared to other fuels. Recently, jatropha curcas is facing some problem with pests and diseases. The insects are classified into two ranges: Pest that impact young plants and Pest that impact developed plants.

Young plant pests: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.

Agrotis ipsilon: It is typically known as Cut worm. This bug affects the seedlings and young Jatropha plants. If the plant is affected by the cutworm, the stem gets cut nearer to the soil surface area and this will diminished the plant completely.

Control: This pest can be managed by choosing the larva discovered around the plants or by mixing the bran, sawdust with insecticides.

Scarabaeid Beetle: This the root of the young plant. Initially, the larva consumes the natural matters present in the soil and then concerns the root. The larva attack might kill the entire plant.

Control: The plant with good resistance power can conquer the pest. For heavy attack, insecticides with parts carbosulfan and carbofuran can be utilized to eliminate the bug.

Army worm: Spodoptera litura presence can be determined by biting in the leaves. The extreme infection might totally kill the plants.

Control: Insecticides are used to manage the insects.

Grasshopper: This is common bug found in a number of plants. Valanga nigricornis and Locusta migratoria widely assaults the plant. The bug often attacks the young plant.

Control: The insecticides utilized betacyfluthrin, cypermethrin, thiodicarb, MIPC, and fipronil.

Pest observed in fully grown plants:

Pest of Stem: Ostrinia furnacalis, Xyleborus spp.

Ostrinia furnacalis and Xyleborus: This bug harms the jatropha curcas stem and it is extensively seen in Indonesia. The stem attacked by this bug usually fall down. The presence can be determined by the larva penetration hole at the stem.

Control: The Insecticide typically utilized to manage this insect is carbofuran.

Pest of leaf: The typical insects observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.

Leaf Caterpillar: This pest can eat all the leaves of the plant in other words period. The quality and yield of the seeds get reduced due to the heavy attack.

Control: This can be managed by choosing the old larvae around the surface area and tossing away the attacked leaves.

Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning experience when permitted to exposure to skin as it produces specific chemical substance. Initially the insect crowded in the leaf and then spread out all over the plant when it gets older.

Control: Manually, the pest can be killed just by soaking it in water or kerosene. The heavy attack can be managed by spraying organophosphate insecticides.

Leaf Hopper: This insect is discovered mainly in tropical and subtropical areas. The bug targets the leaf and draws all the nutrients of the leaf and gets curls at the pointer. Later, the entire leaf dry and pass away.

Control: The heavy attack can be managed by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.

Mite: Mite likewise attacks the leaf and makes the entire plant weak. The insect presence can be determined when the leaf ended up being yellowish, diminishes, turns red and fall down. The insect can also be spread out through fallen leaves.

Control: Some preventive procedures can be done like proper sanitation and burning the fallen leaves. Heavy attack can be treated by spraying insecticides.

Some awful insect which assaults flower and fruit are, Stink bug (Nezara viridula)

Chrysocoris javanus, Tip borer caterpillar.

Stink Bug: Sting bug is a severe bug which assaults the plant throughout bloom period so the crop yield completely falls down. This pest is seen around the tropical region.

The toxic enzyme in the plant shrinks the whole plant.

Control: Insecticides suggested for this pest is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.

Tip borer caterpillar: The bugs typically happens attacks the plant in blooming season and this bug is seen widely in tropical areas. The female bug laid the eggs on the tender part of the plant and the young larvae feed the young fruits and plant tips.

Control: Manually, the attacked seeds are advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.