Table 1.

The numbers of sensory receptors and odorant carriers in different hemipterans. * genes identified in this study; () numbers reported in previous studies; NA, not available

SUBORDER—INFRAORDER—FAMILY	SPECIES	ORs	GRs	IRs	IR75 members	OBPs	CSPs	TOs	CHEs	TRPs	PPKs	SNMPs	Data origin	Publication
Heteroptera—Pentatomomorpha—Lygaeidae	Oncopeltus fasciatus	120	115	37	10	22*	14*	19*	2*	12*	11*	0*	Genome	[32]
Heteroptera—Pentatomomorpha—Pentatomidae	Halyomorpha halys	138	198	24	7	44	17	46*	11*	19*	16*	3*	Genome and Transcriptome	[33–35]
Heteroptera—Pentatomomorpha—Tessaratomidae	Tessaratoma papillosa	59	NA	14	2	33	NA	NA	NA	NA	NA	NA	Transcriptome	[36]
Heteroptera—Cimicomorpha—Cimicidae	Cimex lectularius	47	24	30	12	14	14	11*	0*	13*	10*	2*	Genome	[37]
Heteroptera—Cimicomorpha—Miridae	Apolygus lucorum	135	57	33	7	38	8	56*	6*	21*	8*	2*	Genome	[38]
Heteroptera—Cimicomorpha—Reduvidae	Triatoma infestans	127*	11*	38*	19*	41*	25	36*	6*	17*	13*	3*	Transcriptome	Present study
Heteroptera—Cimicomorpha—Reduvidae	Triatoma brasiliensis	NA	NA	NA	NA	23 (25)	16	19 (22)	NA	NA	NA	NA	Transcriptome	[39]
Heteroptera—Cimicomorpha—Reduvidae	Triatoma dimidiata	NA	NA	NA	NA	26 (41)	13 (34)	11*	NA	NA	NA	NA	Transcriptome	[40]
Heteroptera—Cimicomorpha—Reduvidae	Triatoma pallidipennis	NA	NA	NA	NA	28 (34)	14 (23)	16*	NA	NA	NA	NA	Transcriptome	[40]
Heteroptera—Cimicomorpha—Reduvidae	Rhodnius prolixus	111	28	30	13	27	19	32* (15)	5	14	10	4	Genome	[41–43]
Auchenorrhyncha—Fulgoromorpha—Delphacidae	Nilaparvata lugens	141	28	25	0	11	17	NA	NA	NA	NA	NA	Genome	[44, 45]
Auchenorrhyncha—Fulgoromorpha—Delphacidae	Sogatella furcifera	135	NA	16	0	12	9	NA	NA	NA	NA	NA	Genome	[45, 46]
Sternorrhyncha—Aphidomorpha—Aphididae	Acyrthosiphon pisum	79	77	19	5	18	12	NA	NA	13	21	NA	Genome	[47–49]
Sternorrhyncha—Liviidae	Diaphorina citri	46	20	6	0	9	12	NA	NA	NA	NA	NA	Transcriptome	[50]