Jatropha Curcas is acquiring value commercially as the need of nonrenewable fuel sources increases greatly and also Jatropha is an eco-friendly energy plantation. Plantation of this plant is thought about to be an excellent fuel alternative and it is also very economical compared to other fuels. Recently, Jatropha is dealing with some difficulty with insects and illness. The insects are categorized into two ranges: Pest that affect young plants and Pest that impact developed plants.

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

Agrotis ipsilon: It is frequently called Cut worm. This bug impacts the seedlings and young jatropha curcas plants. If the plant is impacted by the cutworm, the stem gets cut nearer to the soil surface area and this will diminished the plant entirely.

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

Scarabaeid Beetle: This pest destroys the root of the young plant. Initially, the larva takes in the natural matters present in the soil and after that pertains to the root. The larva attack might kill the entire plant.

Control: The plant with great resistance power can get rid of the bug. For heavy attack, insecticides with components carbosulfan and carbofuran can be used to kill the pest.

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

Control: Insecticides are utilized to control the bugs.

Grasshopper: This prevails bug found in several plants. Valanga nigricornis and Locusta migratoria commonly attacks the plant. The bug frequently attacks the young plant.

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

Pest observed in mature plants:

Pest of Stem: Ostrinia furnacalis, Xyleborus spp.

Ostrinia furnacalis and Xyleborus: This pest harms the jatropha curcas stem and it is widely seen in Indonesia. The stem attacked by this insect typically fall down. The existence can be determined by the larva penetration hole at the stem.

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

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

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

Control: This can be managed by picking the old larvae around the surface and getting rid of the assaulted leaves.

Needle Caterpillar: This caterpillar is covered with spinal columns and produces a burning sensation when allowed to exposure to skin as it produces particular chemical substance. Initially the pest crowded in the leaf and then spread all over the plant when it gets 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 discovered primarily in tropical and subtropical regions. The bug targets the leaf and sucks all the nutrients of the leaf and gets curls at the suggestion. Later, the whole leaf dry and die.

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

Mite: Mite likewise assaults the leaf and makes the whole plant weak. The insect presence can be determined when the leaf ended up being yellow-colored, shrinks, turns red and fall down. The bug can also be spread through fallen leaves.

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

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

Chrysocoris javanus, Tip borer caterpillar.

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

The harmful enzyme in the plant diminishes the entire plant.

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

Tip borer caterpillar: The bugs commonly happens attacks the plant in flowering season and this pest 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 ideas.

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