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Table I

Initial two-choice arrangement. Female tracheal mite choices when presented with 16 pairs of bees, made up of unwashed (uw) and hexane washed (w) bees, pupated at 34 °C and 30 °C from colony 2. The thoraces of bee-pairs protruded through holes spaced at 4 mm in a cover slip and the mites were placed in the centre.

Choice Outcome χ2 test (P value)
uw:w choice:no choice
(no choice)
34 °C (uw):34 °C (w) 1:2 (13) 6.25 (P = 0.01)
30 °C (uw):30 °C (w) 2:0 (14) 9.0 (P < 0.01)
34 °C (uw):30 °C (uw) 1:2 (13) 6.25 (P = 0.01)
All choices 4:4 (40) 21.3 (P < 0.01)