Table 1.

Putative GR gene counts (excluding splicing variants) in P. japonica and other beetle species The first column indicates the total number of gustatory receptor genes in the different species, * after [19] dataset, ** after [52] dataset, *** after [51] dataset. The last three columns report gene counts in specific gene subfamilies

Species	Total GRs	Fructose GRs	CO2 GRs	Sugar GRs
A. planipennis*	30	1	2	6
D. ponderosae*	49	1	3	6
L. decemlineata**	90	1	3	6
P. japonica	51	0	2	3
T. castaneum***	183	8	3	16

The first column indicates the total number of gustatory receptor genes in the different species, * after [19] dataset, ** after [52] dataset, *** after [51] dataset. The last three columns report gene counts in specific gene subfamilies