Agents Robin Shimabuku and Randu Hamasaki look for DBM
Searching for young instars
Transfer from leaf to treatment dishes
Back to Waimea for daily mortality counts
Eggs planted on rapeseed to rear DBM larvae
Bioassays to test resistance
Placement of worms
10 worms / dish
10 reps / treatment
The insecticide resistance screening for Waimea and Kula looked good in 2011. The next DBM assay has been set for June 2012. The moon calendar suggests favorable pupae field collection times during May 28-31. Keep your back and eyes in shape for another round--lots of stooping, searching and working with tiny caterpillars.
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