Insect weed killers:
Many insects feed upon unwanted weeds, just the same manner they do with cultivated plants. As they harms and controlling noxious weeds, these insects are helpful to control the weed.
common example of some weed killers, prickly pear control with cochineal insect,
Dactylopius tomentosus Lantana, a troublesome weed was kept in check by the coccid, Orthezia insignis.
Water hyacinth was controlled by bruchids, Neochetina eichhorniae and Neochetina bruchi.
- Control of water-hyacinth: controlled by two weevils namely Neochetina eichhorniae and N. bruchi and mite Orthogalumna terebrantis.
- Control of Parthenium hysterophorus by beetle Zygogramma bicolorata
What Is Insect Weed Killers? Definition & Example
- Scavengers These are insects that feed upon the dead and decaying plant and animal matter. they help human to decompose their waste which makes the balance on the earth.
Coleoptera: Rove beetles; Chafer beetles; Jewel beetles; Water scavenger beetles
Diptera: moth flies; Midges or gnats; Fungus gnats; Hoverflies; Root maggot flies;
Saharan silver ant (Cataglyphis bombycina).
Isoptera (white ants) and
Hymenoptera (ants) also live and feed upon waste or decay materials.