Rice zigzag-leafhopper

zigzag-leafhopper 
Recilia dorsalis (Motschulsky)

What it does

Feeding damage of zigzag leaf hopper causes the leaf tips to dry up, and whole leaves to become orange and curled.
Why and where it occurs

Grassy weeds and volunteer rice in fallow fields attract the zigzag leafhopper and the viruses it transmit to exist between rice crops.

Rice Black bug

 Black bug

Three species of black bugs attack rice: common black bug, Malayan black bug  and, Japanese rice black bug .
What it doesfactsheet-black-bug

Black bugs remove the sap of the plant. They can cause browning of leaves, deadheart, and bugburn. Their damage also causes stunting in plants, reduced tiller number, and formation of whiteheads.