Table 3.

Summary statistics for lengths of spicules of Heligmosomoides spp. from Mus musculus and Apodemus spp. from various locations abroad and from Myodes glareolus from Anglesey in Wales

Species	Locality	Host	n	Mean length (mm)±	s.e.m.	Range
						Minimum	Maximum
Survey 1
H. bakeri	Australia	M. musculus (wild)	12	0.463	0.0152	0.385	0.527
H. polygyrus	Italy	A. flavicollis	38	0.589	0.0059	0.509	0.645
H. polygyrus	Portugal	A. sylvaticus	40	0.558	0.0063	0.456	0.617
H. glareoli	Walesa	M. glareolus	12	1.078	0.0122	1.019	1.145
Survey 2
H. bakeri	Australia	M. musculus (wild)	26	0.488	0.0034	0.450	0.519
H. polygyrus	Norway	A. sylvaticus	20	0.670	0.0095	0.604	0.737
H. polygyrus	Portugal	A. sylvaticus	40	0.581	0.0039	0.551	0.650
H. glareoli	Walesa	M. glareolus	20	1.066	0.0136	0.957	1.153
Survey 3
H. glareoli	Walesa	M. glareolus	36	1.122	0.0087	1.017	1.260
Combined H. bakeri			38	0.480	0.0055	0.385	0.527
Combined H. polygyrus			138	0.589	0.0043	0.456	0.737
Combined H. glareoli			68	1.098	0.0071	0.957	1.260

^aThe spicules from worms of these isolates were from wood mice from the island of Anglesey in Wales.