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Table 1 Lethal time 50 values (LT50) for Spodoptera littoralis following the injection of bacterial strains into the haemocoel of last-instar larvae (incubated at 23 °C)

From: Entomopathogenic nematode-associated microbiota: from monoxenic paradigm to pathobiome

 StrainDose rangeLT50 (h)a
S. carpocapsae microbiotaXenorhabdus nematophila XnSc_F1102–10327
Pseudomonas protegens PpSc_PP-SC-10102–10329
Stenotrophomonas maltophilia StmSc_ALL5105–106No mortality
Alcaligenes faecalis AlcfSc_SC105–106No mortality
Pseudochrobactrum PochSc_AL3105–106No mortality
Ochrobactrum sp OchSc_ALL4105–106No mortality
S. glaseri SK39 microbiotaXenorhabdus poinarii XpSg_G6102–103No mortality
Pseudomonas protegens PpSg_SG6 Apo102–10328
Pseudomonas chlororaphis PcSg_SK39 ApoA102–10319
Stenotrophomonas maltophilia StmSg_SK39-2105–106No mortality
S. weiseri 583 microbiotaXenorhabdus bovienii XbSw_CS03105–106No mortality
Pseudomonas protegens PpSw_SW4102–10320
Pseudomonas protegens PpSw_TCH07 2-2102–10326
Stenotrophomonas maltophilia StmSw_SW1105–106No mortality
Stenotrophomonas maltophilia StmSw_TCH07 2-3105–106No mortality
Ochrobactrum anthropi OchaSw_SW2105–106No mortality
H. bacteriophora microbiotaPhotorhabdus luminescens laumondii PholHb_TT0110332
Ochrobactrum anthropi OchaHb_B3105–106No mortality
Other Pseudomonas strainsPseudomonas protegens CHAOT102–10328
Pseudomonas chlororaphis CFBP 2132T102–10319
Negative control for pathogenicityEscherichia coli CIP 7624105–106No mortality
  1. aMortality was recorded over 72 h following the intrahaemocoel injection of 102–103 or 105–106 washed bacterial cells/larva. LT50 was calculated on 20 larvae