Table 2.

Pathogenicity of Eight Bacterial Strains Tested by Intrahemocoelic Injection into Last Instar-Larvae of Spodoptera littoralis (incubated at 23 °C) and Galleria mellonella (incubated at 28 °C)

Species	Strain	LT50 (h)a
		Sp. littoralisb	G. mellonella
Xenorhabdus poinarii	G6	No mortality	<21
X. poinarii	AZ26	No mortality	No mortality
X. poinarii	NC33	No mortality	35
X. poinarii	SK72	No mortality	<21
X. poinarii	CU01	No mortality	<21
X. nematophila	ATCC19061	24	<21
X. bovienii	SS-2004	25–26	<21
X. doucetiae	FRM16	26–27	<21

^aMortality was recorded over 48 h; intrahemocoel injection of 1,000 bacterial cells/larva.

^bStatistical analysis was carried out for each strain on at least four independent experiments (P < 0.05).