Jatropha Curcas is getting value commercially as the need of nonrenewable fuel sources increases tremendously and likewise jatropha curcas is an environmentally friendly energy plantation. Plantation of this plant is considered to be an exceptional fuel replacement and it is likewise very affordable compared to other fuels. Recently, jatropha curcas is dealing with some problem with insects and illness. The pests are classified into two ranges: Pest that affect young plants and Pest that impact matured plants.

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

Agrotis ipsilon: It is frequently called Cut worm. This pest 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 and this will diminished the plant totally.

Control: This bug can be controlled by picking the larva discovered around the plants or by blending the bran, sawdust with insecticides.

Scarabaeid Beetle: This bug destroys the root of the young plant. Initially, the larva takes in the raw materials present in the soil and then comes to the root. The larva attack may kill the entire plant.

Control: The plant with excellent resistance power can get rid of the insect. For heavy attack, insecticides with parts carbosulfan and carbofuran can be used to eliminate the bug.

Army worm: Spodoptera litura presence can be determined by biting in the leaves. The severe infection might completely eliminate the plants.

Control: Insecticides are used to manage the pests.

Grasshopper: This is common insect discovered in several plants. Valanga nigricornis and Locusta migratoria extensively attacks the plant. The insect frequently 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 insect damages the jatropha curcas stem and it is extensively seen in Indonesia. The stem assaulted by this bug generally fall down. The presence can be recognized by the larva penetration hole at the stem.

Control: The Insecticide generally utilized to control 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 bug can consume all the leaves of the plant simply put period. The quality and yield of the seeds get lowered due to the heavy attack.

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

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

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

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

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

Mite: Mite likewise attacks the leaf and makes the entire plant weak. The bug presence can be identified when the leaf ended up being yellowish, shrinks, reddens and fall down. The insect can also be spread 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 terrible pest which assaults flower and fruit are, Stink bug (Nezara viridula)

Chrysocoris javanus, Tip borer caterpillar.

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

The harmful enzyme in the plant shrinks the entire plant.

Control: Insecticides advised for this insect is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.

Tip borer caterpillar: The bugs typically occurs attacks the plant in flowering season and this pest is seen widely in tropical areas. The female pest 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 advised to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.