MAJOR PEST

brown planthopper

Sucking of plant sap cause tillers to turn brown and dry up showing hopper burn and transmits ragged stunt and grassy stunt viruses.

soft dough

Growth stage of the rice plant most preferred by the rice bugs.

Scotinophara coarctata

The scientific name of rice black bug that feeds on plant sap resulting to bug burn and white heads is

golden apple snail

Base of rice seedlings are cut, leaves and stems are consumed under water.

corn earworm

Corn leaves with rows of feeding holes with unfurling at whorl stage; cut silk and hole at the opening of ears from silking to soft dough stage.

Diamond-Back Moth

Newly hatched caterpillar of this insect feeds on the underside of the cabbage leaf while, mature larvae consume the leaf lamina exhibiting a lace like appearance.

eggplant shoot and fruit borer

This is the most dangerous pest of eggplant where the adult lays eggs on developing flowers, shoots and fruits.

Aspidiotus rigida

This species called “Cocolisap“ triggered nationwide problem resulting to cutting of
coconut trees since sucking of plant sap caused yellowing and drying of leaves, and
death of the coconut trees.

mango pulp weevil

This pest of mango is only found in Palawan, where the insect completes its life cycle
inside the fruit with dark-brown soil-like excreta, mobile larvae and adults.

Pentalonia nigronervosa

The insect pest that transmits the banana bunchy top virus.

Bactrocera cucurbitae

The maggots of this insect pest that hatch from the eggs inserted into the fruits of ampalaya feed and destroy the tissues.

sweet potato

Cylas formicarius is a weevil that feeds on______.

phytophagous

Mining on leaf tissues is caused by ___________ insects.

Green leafhopper

transmits virus that causes tungro disease

Perennial

Weed that germinates that grow vegetative produces seed, that lives for more than 2 years.

Asexually

Cyperus rotondus can persist because it can reproduce

submergent ;

Weed submerged under water