Are aphids overrunning your garden? Margie Siegal gives tips to rid yourself of these little insects—and the ants that farm ...

Aphid larvae have four juvenile stages, called instars, through which they develop to become adults; newborn aphids are in the first instar. By Day 2, some first instar aphids have grown enough to ...

estimate the number of aphids per foot of row Cereal leaf beetle In the spring, begin checking for eggs and small larvae on 10 tillers/stems at 10 sites throughout a field, count the number of eggs ...

Alfalfa weevil Minimum of 30 stems per field collected in a W-pattern, place stems top first in bucket, measure stem height and count the number of larvae per stem Pea aphid Collect a minimum of 30 ...