Jatropha Curcas is acquiring value commercially as the demand of fossil fuels increases tremendously and likewise jatropha curcas is an environmentally friendly energy plantation. Plantation of this plant is considered to be an outstanding fuel replacement and it is likewise extremely affordable compared to other fuels. Recently, jatropha curcas is facing some problem with insects and diseases. The bugs are classified into 2 varieties: Pest that affect young plants and Pest that impact matured plants.

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

Agrotis ipsilon: It is commonly known as Cut worm. This insect impacts the seedlings and young jatropha curcas 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 entirely.

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

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

Control: The plant with excellent resistance power can overcome the insect. For heavy attack, insecticides with parts carbosulfan and carbofuran can be utilized to kill the pest.

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

Control: Insecticides are used to control the pests.

Grasshopper: This prevails bug found in numerous plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The bug often assaults 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 stem and it is commonly seen in Indonesia. The stem assaulted by this bug generally fall down. The existence 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 controlled by choosing the old larvae around the surface and discarding the attacked leaves.

Needle Caterpillar: This caterpillar is covered with spines and produces a burning sensation when enabled to exposure to skin as it produces specific chemical substance. Initially the bug crowded in the leaf and then spread all over the plant when it grows older.

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

Leaf Hopper: This pest is found mainly in tropical and subtropical regions. The pest targets the leaf and draws all the nutrients of the leaf and gets curls at the suggestion. Later, the entire leaf dry and die.

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 existence can be identified when the leaf ended up being yellow-colored, diminishes, turns red and fall down. The insect can likewise be spread through fallen leaves.

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

Some awful pest which attacks flower and fruit are, Stink bug (Nezara viridula)

javanus, Tip borer caterpillar.

Stink Bug: Sting bug is a serious bug which assaults the plant during blossom period so the crop yield totally drops. This insect is seen around the tropical region.

The poisonous enzyme in the plant shrinks the whole plant.

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

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

Control: Manually, the assaulted seeds are suggested to burn. The insecticides like monocrotophos and bensultap are sprayed at the blooming season.