Table 3. Results of the statistical analyses for differences in morphological traits between cryptic species.

Trait	Overall		Ireland		Denmark
	F2,63	P	F2,31	P	F2,11	P
Thoracic width between the tegula	4.446	0.016	10.794	<0.001	1.57	0.251
Collar breadth on top of thorax (A)	0.295	0.746	3.132	0.058	1.567	0.252
A relative to body size	0.111	0.895	0.573	0.57	0.614	0.559
Length of collar extension below left tegula (B)	76.059	<0.001	61.638	<0.001	18.587	<0.001
Length of collar extension below right tegula (C)	71.046	<0.001	41.036	<0.001	7.188	0.01
Average length of collar extension below tegula (D)	93.378	<0.001	65.579	<0.001	12.974	0.001
B relative to body size	64.93	<0.001	47.209	<0.001	16.503	<0.001
C relative to body size	59.195	<0.001	30.886	<0.001	5.981	0.017
D relative to body size	77.282	<0.001	46.915	<0.001	10.812	0.003
Breadth of collar extension below left tegula (E)	29.667	<0.001	19.579	<0.001	40.088	<0.001
Breadth of collar extension below right tegula (F)	30.492	<0.001	22.158	<0.001	4.892	0.03
Average breadth of collar extension below tegula (G)	37.293	<0.001	22.913	<0.001	11.082	0.002
E relative to body size	21.466	<0.001	12.051	<0.001	26.005	<0.001
F relative to body size	21.754	<0.001	12.77	<0.001	3.81	0.055
G relative to body size	26.177	<0.001	13.437	<0.001	8.327	0.006