Ragweed Aphids
Ragweed aphids are sap-feeding insects that primarily infest ragweed but can spread to nearby plants. The “Allergy” Alchemist: Ragweed Aphids The Ragweed Aphid (primarily Uroleucon ambrosiae), often called…
Category
pests
Rice Skipper Caterpillars
Rice skipper caterpillars are leaf-feeding larvae that damage rice plants by rolling leaves and feeding within them. The “Butterfly” Defoliator: Rice Skipper Caterpillars The Rice Skipper Caterpillar (primarily…
Ring Nematodes
Ring nematodes (Criconemella spp.) are plant-parasitic nematodes that feed on roots, causing reduced plant growth and vigor. The “Armor-Clad” Root Sucker: Ring Nematodes The Ring Nematode (primarily Criconemoides…
Redlegged Grasshoppers
They feed on leaves, reducing plant biomass and yield. The “Generalist” Glutton: Redlegged Grasshoppers The Redlegged Grasshopper (Melanoplus femurrubrum) is one of the most widespread and “noxious” orthopteran…
Rhododendron Borers
Rhododendron borers (Synanthedon rhododendri) are clearwing moth larvae that tunnel into stems of rhododendrons and related plants. These pests are particularly damaging in ornamental landscapes, where they can…
Ragweed Leafhoppers
Ragweed leafhoppers are small sap-sucking insects belonging to the family Cicadellidae. While they primarily feed on ragweed (Ambrosia spp.), they can also affect nearby crops and ornamental plants…
Root-Feeding Grubs
Root-feeding grubs are the larval stage of various beetles, including scarab beetles, and are among the most destructive soil pests affecting turfgrass, crops, and ornamental plants. These larvae…
Root Mealybugs
Root mealybugs are soil-dwelling sap-sucking insects that attack plant roots, often going unnoticed until significant damage has occurred. Unlike their above-ground relatives, root mealybugs live below the soil…
Rice Ear Bugs
Rice ear bugs are sap-feeding insects that attack developing rice grains, reducing quality and yield. They feed directly on grains during the milk stage, causing discoloration and empty…
Rice Water Weevils
Rice water weevils (Lissorhoptrus oryzophilus) are among the most serious pests of rice in North America and other rice-producing regions. These beetles are particularly damaging in flooded rice…