Table 2

Average infestation of C. ohridella observed during 1998, 1999, and 2000 in the site (1 to 15) belonging to the three groups with different levels of fallen leaf removal.

Year and period	Group	Mines/leaf			% small on total	% leaf surface injured
Year and period	Group	Small	Large	Total	% small on total	% leaf surface injured
1998
Early June	no removal	6.5	20.2	26.7 b^*	24	14.1 b
	contiguous	2.6	5.1	7.7 a	34	3.3 a
	removal	0.5	1.5	2.1 a	25	1.0 a
Late July	no removal	23.2	115.3	138.4 b	17	61.4 c
	contiguous	47.8	82.8	130.6 b	37	41.3 b
	removal	32.9	21.1	54.0 a	61	13.3 a
Late August	no removal					86.1 b
	contiguous					87.7 b
	removal					56.3 a
1999
Early June	no removal	1.3	9.1	10.4 b	12	5.3 b
	contiguous	0.2	1.8	2.0 a	10	0.7 a
	removal	0.1	0.5	0.6 a	17	0.3 a
Late July	no removal	12.1	37.2	49.2 b	25	20.2 b
	contiguous	12.8	20.7	33.1 a	38	9.2 a
	removal	8.7	7.9	16.6 a	52	4.8 a
Late August	no removal					79.0 b
	contiguous					51.2 a
	removal					32.2 a
2000
Early June	no removal	6.7	24.0	30.6 b	22	14.2 b
	contiguous	1.7	4.4	6.1 a	28	1.8 a
	removal	1.0	1.5	2.6 a	40	0.8 a
Late July	no removal	5.4	129.3	134.6 b	4	66.1 b
	contiguous	14.1	75.5	89.7 b	16	33.1 a
	removal	2.9	31.5	34.5 a	8	16.2 a
Late August	no removal					96.0 a
	contiguous					92.3 a
	removal					92.5 a

↵* Inside each year and period, groups with the same letter are not significantly different at 0.05 level according to the Tukey test.