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alfalfa weevil

Agronomic Crop Insects – April 1, 2011

April 1, 2011cmanneri

Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Alfalfa Alfalfa Weevil: We are starting to see the first hatch of alfalfa weevil eggs. As soon as the weather begins to warm up, you should begin to sample for larvae on a weekly… Continue Reading →

Uncategorized 19:2, agronomic crop insect scouting, alfalfa, alfalfa weevil, cereal leaf beetle, cereal rust mite, timothy, wheat, wheat pests, winter grain mite

Agronomic Crop Insects

April 22, 2010cmanneri

Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Alfalfa Continue to scout fields for both alfalfa weevil and pea aphids. Economic levels of both can be found in alfalfa fields at this time. As a general guideline, you should consider a treatment… Continue Reading →

Uncategorized 18:6, agronomic crop insect scouting, alfalfa, alfalfa weevil, grass sawfly, slugs

Agronomic Crop Insects

April 1, 2010cmanneri

Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Alfalfa Now that the weather has finally started to warm up, you should begin to sample for alfalfa weevil on a weekly basis. Look for small larvae feeding in the tips of plants producing… Continue Reading →

Uncategorized 18:3, alfalfa, alfalfa weevil, black cutworm, cereal leaf beetle, cereal rust mite, cutworms

Agronomic Crop Insects

April 3, 2009cmanneri

Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Alfalfa If you have not started to sample for alfalfa weevil, be sure to begin sampling fields on a weekly basis. Larvae are present in fields in Kent and Sussex counties. Look for small… Continue Reading →

Uncategorized 17:3, agronomic crop insect scouting, alfalfa, alfalfa weevil, cereal leaf beetle, cereal rust mite, cutworms

Agronomic Crop Insects

April 11, 2008cmanneri

Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Alfalfa If you have not started to sample for alfalfa weevil, be sure to begin sampling fields on a weekly basis. Look for small larvae feeding in the tips of plants producing a round,… Continue Reading →

Uncategorized 16:4, agronomic crop insect scouting, alfalfa weevil, black cutworm, cereal leaf beetle, cereal rust mite

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