Table 2.

Effects of exposure treatment, orange band length, mass, and position relative to bird’s perch (rows away) on whether A. plantaginis caterpillars were among the first six caterpillars attacked in an array of 12 by P. major in laboratory trials

	Coeff.	SE	df	χ 2	P
Treatmenta	−0.324	0.213	1	2.33	0.127
Orange band lengthb	—	—	3	11.28	0.0103
5 body segments	−0.097	0.305		—	—
6 body segments	−0.841	0.326		—	—
7 body segments	0.056	0.321		—	—
Mass (g)	8.75	2.43	1	13.55	0.0002
Distance from perch (rows)	−0.980	0.138	1	57.35	<0.0001

^aDifference between exposed and concealed treatments.

^bAnalyzed as a factor. χ² and P-values tested across all levels, coefficients given separately for each level compared with a length of four body segments as a baseline. See Figure 4 for more details.