Populations of immature grasshoppers are being reported in areas bordering crop fields in several parts of Nebraska. If these grasshopper species are one of the four major species that are likely to infest cropland, control may be warranted if high numbers are present.
Last year in another state, 14 horses died and another 100 were sickened from hay that contained blister beetles. Usually Blister beetles are not a problem, but growers should be aware of the insect and what to scout for in their fields.
The wide range in corn and soybean planting dates in Nebraska this year may affect the distribution and behavior of pest insects both this year and next year. Be alert to a possible shift and scout regularly to identify problem fields.
In the latest Nebraska CropWatch podcast Michael Sindelar is joined by Robert Wright from the Department of Entomology to discuss how to prevent or identify and treat early season insects in corn and soybeans.
Potato leafhoppers are reported in north central Kansas and may be arriving in Nebraska soon. It is not too early to begin scouting for these insects and protecting your alfalfa with one of the registered insecticides listed here.