Table 3.

Summarised results of the screen of arthropod species for the presence of maternally inherited bacteria

Taxon	Number of species	Number of individuals	Number of infected species (number of infected individuals)
			Rickettsia	Wolbachia	Cardinium	Arsenophonus	Flavobacterium	Spiroplasma ixodetis	S. poulsonii	multi-infection
ARACHNIDA
Araneae	26	516	_	10 (78)	6 (60)	1 (32)	_	5 (41)	1 (12)	5 (22)
Ixodidae	4	77	_	_	_	_	_	_	_	_
Opiliones	1	16	_	_	_	_	_	_	_	_
Scorpiones	1	1	_	_	_	_	_	_	_	_
INSECTA
Blattaria	1	23	_	_	_	1 (23)	_	_	_	_
Coleoptera	26	401	1 (1)	1 (12)	_	_	_	1 (6)	_	_
Dermaptera	1	16	_	_	_	_	_	_	_	_
Diptera	25	310	_	3 (72)	_	2 (17)	_	1 (6)	_	2 (32)
Hemiptera	21	271	_	7 (104)	_	1 (12)	_	2 (11)	_	2 (11)
Hymenoptera	11	104	_	1 (13)	_	1 (20)	_	_	_	1 (20)
Lepidoptera	7	75	_	3 (29)	_	_	_	_	_	_
Mantodea	2	9	_	_	_	_	_	_	_	_
Odonata	1	21	_	_	_	_	_	_	_	_
Orthoptera	5	72	_	2 (12)	_	_	_	_	_	_
MALACOSTRACA
Isopoda	4	140	_	3 (46)	_	_	_	_	_	_
TOTAL	136	2052	1 (1)	31 (366)	6 (60)	6 (104)	_	9 (64)	1 (12)	10 (85)