Insect Pests

Question 1

The immature or young stage (e.g. larva) tunnels inside the plant part preferred

Answer 1

Borers

Question 2

Those that feed on the leaves or foliage of plants, normally associated with chewing insects

Answer 2

Defoliators

Question 3

Tunnel inside leaves just beneath and along the surface, each species leaving a definite design or pattern of tunnel

Answer 3

Leaf miners

Question 4

They join margins of the leaf together through the silk that their larvae produce. The larva feeds inside the folded/rolled leaf.

Answer 4

Leaf folder or leafroller

Question 5

Insects that suck the sap/juice of plant resulting to abnormal yellowing, curling and other distortions and drying of leaves or other plant parts

Answer 5

Sap feeders

Question 6

Abnormal yellowing

Answer 6

Chlorosis

Question 7

Those that transmit pathogens from diseased to healthy plants/animals

Answer 7

Insect vectors

Question 8

Pest members of Order Homoptera (8)

Answer 8

Aphids (Aphididae)
Whiteflies (Aleyrodidae)
Scale insects (Diaspididae-armored; Coccidae-soft)
Leafhoppers (Cicadellidae)
Planthoppers (Delphacidae)
Psyllids (Psyllidae)
Other hoppers
Mealybugs

Question 9

Trichogramma wasp is used to control the eggs of __

But they are mass produce on eggs of __

Answer 9

Corn borers

Rice moth