TABLE 1.

Grouping of SSU rRNA clones amplified and isolated from R. speratus hindgut contents

Area	Colony	No. of clones in symbiotic type
		1A	1B	1C	1D	2	3
Tokyo	RS1	4	4	0	0	1	1
	RS2	5	5	0	0	0	0
	RS4	1	6	1	0	0	2
	M4a		1
Kobe	RS5	8	2	0	0	0	0
Yamaguchi	RS3	7	0	0	3	0	0
Okinawa	RS6	6	4	0	0	0	0
Total		31	21	1	3	1	3

^aSequence of the clone M4 amplified from hindgut DNA of R. speratus was reported by Ohkuma et al. (9). M4 was grouped in type 1B.