Urban Water-Quality Management Insect Pests Of Water ...
Caddisfly adults (a) are 1/4 to 1/2 inch long and resemble small brown moths. They are active at night. Their antennae have many segments and are longer than their bodies. Their hairy wings are held roof-like over ... [... more]
Virginia Tech Extension |
Squash Bug
Cucurbit yellow vine decline (Figure 4) is a newly identified disease that can be transmitted by the squash bug. The disease is caused by the bacterium Serratia marcescens and attacks squash, pumpkins, and melons. ... [... more]
Virginia Tech Extension |
Pine Shoot Beetle
Life Cycle: Adults overwinter on the bark of pine trees. The beetles exit the overwintering site and begin flying about when the temperature reaches or exceeds 54°F. The first flight usually takes place in late ... [... more]
Virginia Tech Extension |
Slugs In Field Corn
Sampling: Slugs can be found during the day by turning over clods of dirt and surface residue near injured corn seedlings. Take samples from the area around five consecutive plants in 10 locations of the field to ... [... more]
Virginia Tech Extension |
Locust Leafminer
The primary and most conspicuous damage is caused by the leafmining activities of the larvae. Larvae feed inside the leaves on the inner layers. In the beginning the mine is small, but it is gradually enlarged until ... [... more]
Virginia Tech Extension |
Red Imported Fire Ant (Rifa)
The RIFA is the most aggressive and widespread of the fire ants found in North America but at least three other species of fire ant exist. Two species, the tropical fire ant (Solenopsis geminata Fabricus) and the ... [... more]
Virginia Tech Extension |
Asparagus Beetles
Asparagus beetles overwinter as adults in plant debris. In spring the beetles first feed on the tender asparagus spears and tips of buds, subsequently depositing their brown to black eggs on spears. In about a week ... [... more]
Virginia Tech Extension |
The Peanut Southern Corn Rootworm Advisory
The southern corn rootworm (SCR) has long been considered a major pest of peanuts in North Carolina and Virginia. However, researchers and Extension faculty at Virginia Tech and NC State have determined through more ... [... more]
Virginia Tech Extension |
Diamondback Moth In Virginia
In recent years, DBM has developed resistance to many different insecticides, depending on the region. In Virginia, DBM has tolerance to insecticides in the carbamate, organophosphate, and pyrethroid classes. ... [... more]
Virginia Tech Extension |
Cabbage And Seedcorn Maggot
Cabbage and seedcorn maggot adults typically emerge in April and begin laying eggs. Female cabbage maggot flies actively seek out and lay eggs on the lower portions of stems of young host seedlings or in nearby ... [... more]
Virginia Tech Extension |
Japanese Beetle In Field Corn
Life Cycle: Japanese beetles take one year to complete their life cycle, spending about ten months in the soil as grubs or pupae with adults present from June through September. Each female lays up to ten clutches of ... [... more]
Virginia Tech Extension |
European Corn Borer In Sweet (Bell) Pepper
Controlling ECBs in bell pepper with insecticides is problematic because they do not kill eggs and do not control larvae once they tunnel into stems and fruit. Effective alternatives to chemical control of ECBs are ... [... more]
Virginia Tech Extension |
