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Table 2 Mortality rates of Gonioctena fornicata adults exposed to Heterorhabditis bacteriophora (isolate 09-43) and H. bacteriophora Tokat-Songut and controls over 120 h from treatment

From: Efficacy of some native entomopathogenic nematodes against the alfalfa weevil, Hypera postica (Gyllenhal) (Coleoptera: Curculionidae), and the lucerne beetle, Gonioctena fornicata (Brüggemann) (Coleoptera: Chrysomelidae), adults under laboratory conditions

Mortality ± SEM*(%)
HAT** Heterorhabditis bacteriophora (isolate 09-43) H. bacteriophora Tokat-Songut
  500 IJs 1000 2000 Control 500 IJs 1000 2000 Control
32 0.0 ± 0.0a*** 0.0 ± 0.0a 2.4 ± 2.0a 0.0 ± 0.0a 5.3 ± 2.1ab1 8.2 ± 2.0ab 16.9 ± 5.0a 0.0 ± 0.0b
40 0.9 ± 1.5a 0.6 ± 1.3a 9.0 ± 4.0a 0.0 ± 0.0a 34.2 ± 2.2a 33.9 ± 3.7a 58.3 ± 1.5a 0.0 ± 0.0b
48 0.9 ± 1.5ab 7.0 ± 3.2ab 16.4 ± 4.4a 0.0 ± 0.0b 47.2 ± 1.8a 78.4 ± 9.0a 80.6 ± 3.5a 0.0 ± 0.0b
56 0.9 ± 1.5ab 13.7 ± 3.9ab 16.4 ± 4.4a 0.0 ± 0.0b 52.8 ± 1.8a 83.0 ± 5.5a 86.9 ± 3.9a 0.0 ± 0.0b
64 0.9 ± 1.5ab 19.2 ± 5.9a 25.6 ± 3.2a 0.0 ± 0.0b 63.4 ± 1.5b 85.0 ± 5.2ab 94.8 ± 3.6a 0.0 ± 0.0c
72 12.6 ± 4.7ab 35.5 ± 6.1a 50.0 ± 9.4a 0.0 ± 0.0b 68.9 ± 3.3b 94.7 ± 2.1a 96.0 ± 2.8a 0.0 ± 0.0c
80 26.4 ± 4.6a 46.7 ± 2.9a 72.0 ± 7.5a 0.0 ± 0.0b 71.2 ± 2.9b 94.7 ± 2.1a 96.0 ± 2.8a 0.0 ± 0.0c
88 30.4 ± 6.1a 46.7 ± 2.9a 78.1 ± 5.6a 0.0 ± 0.0b 73.7 ± 2.8b 98.7 ± 1.6a 97.0 ± 2.0a 0.0 ± 0.0c
96 52.4 ± 1.2a 46.7 ± 2.9a 81.0 ± 5.3a 0.0 ± 0.0b 75.8 ± 2.3b 98.7 ± 1.6a 97.0 ± 2.0a 0.0 ± 0.0c
104 60.4 ± 0.8a 57.7 ± 6.1a 93.3 ± 5.6a 0.0 ± 0.0b 82.8 ± 3.2b 98.7 ± 1.6a 97.0 ± 2.0ab 0.0 ± 0.0c
112 64.7 ± 1.1a 68.7 ± 7.5a 93.3 ± 5.6a 0.0 ± 0.0b 90.6 ± 4.4a 99.7 ± 0.9a 99.7 ± 0.9a 0.0 ± 0.0b
120 64.7 ± 1.1b 68.7 ± 7.5b 97.6 ± 2.0a 0.0 ± 0.0c 90.6 ± 4.4b 99.7 ± 0.9ab 100.0 ± 0.0a 0.0 ± 0.0c
  1. *SEM: standard error of the mean
  2. **HAT: hours after treatment
  3. ***Means in a line followed by the same letter are not statistical significantly different (ANOVA P < 0.05, Tukey’s test)