Russian Wheat Aphid Biocontrol:

1997

Biocontrol releases began in April in 1997. Releases are made by personnel from the Colorado Department of Agriculture Insectary located in Palisade, Colorado from insects reared at the insectary or obtained from the USDA laboratories.

1996

1996 RWA Bio release map

Russian Wheat Aphid (Colorado Dept. Ag Releases):

Organism (No. of Releases)

Aphelinus asychis (10)

Aphelinus albipodus (21)

Aphelinus varipes (11)

Aphidius colemani (8)

Diaeretiella rapae (5)

Hippodamia variegata (11)

Leucopis ninae (6)

Propylea quat. (11)

Scymnus frontalis (10)

Sphaerophoria scripta (4)

Russian Wheat Aphid (Structured Releases-CSU):

Biocontrol Agent-Number Released

Hippodamia variegata- 200

Propylea quatuordecimpunctata - 400

Aphelinus albipodes - 3200

Biocontrol Projects

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