Table 2 Percentages of adults' emergences of T. bactrae from S. littoralis egg masses with different physical characteristics in a no-choice and choice tests

One layer with no scales

85.54 ± 1.81 Abc (60–100)

86.99 ± 1.92^a

83.03 ± 4.88 Aab (50-100)

84.41 ± 2.92^b

One layer with low scale density

89.61 ± 1.38 Aab (66.68–100)

89.42 ± 2.60 Aa (66.67–100)

One layer with mid scale density

87.02 ± 3.34 Aabc (60–96)

82.53 ± 4.04 Ab (66–100)

One layer with high scale density

85.79 ± 1.17 Abc (80–93.94)

82.65 ± 0.14 Ab (82–83.33)

Two layers with low scale density

91.43 ± 1.98 Aa (70–100)

87.28 ± 2.50^a

91.14 ± 1.26 Aa (84.21–97.33)

88.99 ± 1.76^a

Two layers with mid scale density

87.86 ± 2.02 Aabc (61.6–99.04)

86.11 ± 2.31 Aab (73.91–97.14)

Two layers with high scale density

82.55 ± 3.49 Abc (50–96.66)

89.71 ± 1.73 Aa (84–100)

Three layers with low scale density

82.22 ± 4.10 Ac (70–95.52)

75.3 ± 8.11^a

70.20 ± 2.10 Bc (60–85)

59.51 ± 3.90^c

Three layers with high scale density

75.63 ± 6.22 Ad (50–94.44)

52.82 ± 4.50 Bd (25–83.33)