Table 1. Proportion of Genes and TEs that are highly methylated.

	TEsa		Genes
Species	Number	Proportion methylatedb	Number	Proportion methylatedb
Acyrthosiphon pisum	293	0.017	13147	0.171
Apis mellifera	7	0.143	10066	0.272
Armadillidium vulgare	655	0.020	4703	0.019
Blattella germanica	276	0.145	9272	0.387
Bombus terrestris	78	0.128	8550	0.069
Heliconius melpomene	34	0.088	11583	0.077
Ixodes scapularis	212	0.033	5775	0.219
Limulus polyphemus	342	0.117	7227	0.265
Nicrophorus vespilloides	9	0.111	12305	0.032
Parasteatoda tepidariorum	622	0.032	9742	0.243
Parhyale hawaiensis	89	0.079	3302	0.028
Planococcus citri	361	0.751	34044	0.099
Strigamia maritima	719	0.758	12898	0.326

^a TEs with annotated TE-associated domains (see Methods);

^b the proportion falling into the highly methylated group after clustering each feature type within each species