Table 2. Comparison of color distribution among caterpillars fed apple leaves A) on brown artificial branches in a brown tub or green artificial branches in a yellow tub, or B) in white vs. black backgrounds.

Treatment		Color Score				G-statistic	P
		A	B	C	D
A	Green/yellow	17	51	55	15	214.3	<0.001
	Brown/brown	0	6	16	153
B	White environment	16	6	11	4	61.26	<0.001
	Black environment	0	1	2	35

Scoring for A) was as in Table 1, whereas B) represented shading from pale grey to black.