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The most common vertebrate pests in alfalfa
are pocket gophers, voles,
- Look for fresh
pocket gopher mounds each
time the field is mowed.
field edges for ground
squirrel burrows and damage
about once a month.
- Identify vole trails and
burrows and damage in late winter when the fields are dormant.
results on a map of the field.
Names link to more information on identification and
Click on photos to enlarge
Identification tip: Pocket gopher
mounds are generally fan-shaped and have a plugged
Identification tip: Look for aboveground
runways that connect the openings of shallow burrows.
Identification tip: Look for large
mounds of dirt piled over alfalfa plants.
For more Information, see Irrigated