highly significantp < 0.0001
Both the length and diameter in clean, unpainted, Triton-filled tubes showed highly significant differences in terms of trapped insects: χ 2 = 43.7654, d.f. = 2, p < 0.0001 for height (set-up (5)); χ 2 = 109.2067, d.f. = 1, p < 0.0001 for diameter (set-up (2)).