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Types of mechanosensilla and contact-chemoreceptive sensilla; length of the sensilla | | | | | | | | | | |
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Taxa: species | Distribution of sensilla on the labial segments |
(D) I | (V) I | (D) II | (V) II | (D) III | (V) III | (D) IV | (V) IV | TRS1 and TRS2 in distal part, (D) + (L) side, IV | TRS1 and TRS2 in distal part, (V) side, IV |
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Nepinae | | | | | | | | | | |
Curicta granulosa Borborophyes mayri Nepa cinerea | INV | INV | (N)SQS (S)BAS (S)TBS 1 COS | (N)SQS (S)BAS | (N)SQS (S)BAS | (N)SQS (S)BAS (S)TBS | (N)PDS1 (N)PDS2 (S)CH1 (S)CH2 | (S)PDS1 (S)PDS2 (S)CH1 (S)CH2 | (D)4TRS1 + 2TRS2 (L)2TRS1 + 2TRS2 | 4TRS1 2TRS2 |
Lacccotrephes japonensis* (Figure 9) | INV | INV | (N)SQS (S)BAS (S)TBS 1 COS | (N)SQS (S)BAS | (N)SQS (S)BAS | (N)SQS (S)BAS (S)TBS | (N)CBS 1 COS | (S)CBS | (D)4TRS1 + 2TRS2 (L)2TRS1 + 2TRS2 | 3TRS1 1TRS2 |
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Ranatrinae | | | | | | | | | | |
Cercotmetus asiaticus | INV | INV | (S)PDS1 (S)PDS2 | (S)PDS1 (S)PDS2 | (N)PDS1 (N)PDS2 | (S)PDS1 (S)PDS2 | (N)PDS1 (N)PDS2 (S)CH1 | (S)PDS1 (S)PDS2 (S)CH1 (S)CH2 (S)CH3 | (D) = 2TRS1 + 2TRS2 (L) = 2TRS1 + 2TRS2 | 2TRS1 4TRS2 |
Ranatra chinensis* (Figure 10) | INV | INV | (N)PDS1 (N)PDS2 | (N)PDS1 (N)PDS2 | (N)PDS1 (N)PDS2 | (N)PDS1 (N)PDS2 | (N)PDS1 (N)PDS2 (S)CH1 | (S)PDS1 (S)PDS2 (S)CH1 (S)CH2 (S)CH3 | (D)4TRS1 + 2TRS2 (L)4TRS1 + 2TRS2 | 4TRS1 1TRS2 |
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Belostomatinae | | | | | | | | | | |
Belostoma flumineum* (Figure 11) Dienostoma dilatatum | (N)CH2 | (S)CH3 | (S)CH1 (N)CH2 (N)CH3 | (S)CH1 (S)CH2 (S)CH3 1 COS | (S)CH1 (S)CH2 (S)CH3 | (S)CH1 (S)CH2 (S)CH3 | (N)CUS (N)PES 1 COS | (N)CUS (N)PES | (D)2TRS1 (D)1TRS2 | 3TRS1 1TRS2 |
Hydrocyrius colombiae (Figure 12) | (S)CH3 | (S)CH3 | (S)CH1 (S)CH2 (S)CH3 | (S)CH1 (S)CH2 (S)CH3 | (S)CH2 (N)CH3 | (N)CH3 | (N)CUS (N)PES 1 COS | (N)CUS (N)PES | (D)4TRS1 (D)3TRS2 | 9TRS1 2TRS2 |
Appasus major | (S)CH3 | (S)CH3 | (S)CH2 (S)CH3 | (S)CH1 (S)CH3 | (S)CH1 (S)CH3
| (S)CH1 (N)CH3
| (N)CUS (N)PES 1 COS | (N)CUS (S)PES | (D)3TRS1 (D)2TRS2 | 5TRS1 2TRS2 |
Limnogeton fieberi* (Figure 13) | (N)CH3 | (N)CH3 | (N)CH3 (N)CH2 (S)CH1 | (N)CH3 (N)CH2 | (N)CH3 (N)CH2 (S)CH1 | (N)CH3 (N)CH2 | (N)PES | (N)PES | (D)5TRS1 (D)3TRS2 | 6TRS1 2TRS2 |
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Lethocerinae | | | | | | | | | | |
Lethocerus deyrollei* (Figure 14) | INV | INV | (N)CH2 (N)CH1 | (N)CH3 (S)CH1 | (N)CH2 (N)CH3 | (S)CH2 (S)CH3 | (N)CUS (N)PES 1 COS | (N)CUS (N)PES | (D)4TRS1 (D)3TRS2 | 9TRS1 3TRS2 |
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Ochteridae | | | | | | | | | | |
Ochterus piliferus* (Figures 15(a)–15(d)) Ochterus marginatus* (Figures 15(e)–15(g)) | (N)CH1 (N)CH2 | (N)CH1 (N)CH2 | (N)CH1 (N)CH2 | (N)CH1 (N)CH2 | (S)CH3 | (S)CH3 | (N)CUS (N)PES 1 COS | (N)CUS (N)PES | Lack | 2TRS2 |
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Gelastocorinae | | | | | | | | | | |
Gelastocoris oculatus* (Figure 16) | (N)HLS (N)CH2 | (N)HLS (N)CH2 | (N)HLS (S)FRS 3 COS | (N)HLS | (S)CH1 (S)CH2 (N)CH3 | (S)CH2 (N)CH3 | (N)PES (N)CUS 1 COS | (N)PES (N)CUS | Lack | 3TRS2 |
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Nerthrinae | | | | | | | | | | |
Nerthra nepaeformis* (Figure 17) Nertha macrothorax | (S)CH2 (S)CH3 | (S)CH2 (S)CH3 | (S)CH2 (S)CH3 3s COS | (S)CH3
| (S)CHD (S)CH1 (S)PES (S)CUS | (S)PES (S)CUS | (N)PES (N)CUS 1 COS | (N)PES (N)CUS | Lack | 2TRS2 |
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Aphelocheiridae | | | | | | | | | | |
Aphelocheirus aestivalis* (Figure 18) Aphelocheirus variegatus | (S)CH2 (S)CH3 | (S)CH2 (S)CH3 | (N)STS (S)CH3 (S)CH2 1 COS | (S)CH3 (S)CH2 | (N)STS (N)PES | (S)STS (S)PES (S)CH2 | (N)PES (N)CUS 1 COS | (N)PES (N)CUS | Lack | 2TRS2 |
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Cheirochelinae | | | | | | | | | | |
Cheirochela feana* (Figure 19(e)) | (S)CH3 | (S)CH3 | (S)CH3 1 COS | (S)CH3
| (N)PES 3TRS1 2TRS2 | (S)PES | (N)PES 1 COS | (N)PES | Lack | 9TRS1 1TRS2 |
Gestroiella limnocoroides* (Figures 19(f)–19(i)) | (S)CH3 | (S)CH3 | (S)CH3 1 COS | (S)CH3 1 COS | (N)PES 3TRS1 1TRS2 | (S)PES | (N)PES 1 COS | (N)PES | Lack | 3TRS1 2TRS2 |
Coptocatus kinabalu | (S)CH3 | (S)CH3 | (S)CH3 1 COS | (S)CH3 | (N)CH3 2TRS1 | (S)CH3 | (N)PES 1 COS | (N)PES | Lack | 4TRS1 1TRS2 |
Coptocatus oblongulus | (S)CH3 | (S)CH3 | (S)CH3 1 COS | (S)CH3 | (S)CH3 2TRS2 | (S)CH3 | (N)PES 1 COS | (N)PES | Lack | 3TRS1 2TRS2 |
Tanycricos longiceps | (S)CH3 | (S)CH3 | (S)CH3 (S)CH2 (S)CH1 1 COS | (N)CH1 | (S)CH3 2TRS2 | (S)CH3 | (N)PES 1 COS | (N)PES | Lack | 4TRS1 2TRS2 |
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Laccocorinae | | | | | | | | | | |
Laccocoris hoogstraali* (Figures 20(a)–20(d)) | INV | INV | (S)CH3 (S)CH2 1 COS | (S)CH3 (S)CH2 | (N)PES 4TRS1 1TRS2 | (S)CH3 | (N)PES 1 COS | (N)PES | Lack | 3TRS1 2TRS2 |
Helocoris humeralis (Figures 20(e)-20(f)) | INV | INV | (S)CH3 (S)CH2 1 COS | (S)CH3 (S)CH2 | (N)PES 7TRS1 1TRS2 | (S)CH3 | (N)PES 1 COS | (N)PES | Lack | 4TRS1 2TRS2 |
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Limnocorinae | | | | | | | | | | |
Limnocoris lutzi* (Figure 21) | INV | INV | 6 COS PLE | (N)CH2 PLE | (S)MPS 3TRS2 PLE | (S)CH3 PLE | (N)MPS 1 COS | (N)MPS | Lack | 4TRS1 1TRS2 |
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Cryphocricinae | | | | | | | | | | |
Cryphocricos hungerfordi* (Figure 22) | INV | INV | (N)CH2 (S)CH3 1 COS | (N)CH2 | (S)MPS TRS-invisible | (S)CH3 | (N)MPS 1 COS | (N)MPS | Lack | 3TRS1 2TRS2 |
Ambrysus ocidentalis* (Figure 23) | (S)CH2 | (S)CH1 | (S)CH3 1 COS | (S)CH3 1 COS | (S)MPS 4TRS1 1TRS2 | (S)CH3 | (N)MPS 1 COS | (N)MPS | Lack | 5TRS1 1TRS2 |
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Naucorinae | | | | | | | | | | |
Ilyocoris cimicoides | INV | INV | (S)CH2 (S)CH3 1 COS | (S)CH3 | 2TRS1 | (S)CH3 | (N)MPS 1 COS | (S)MPS (S)CH3 | Lack | 10TRS1 2TRS2 |
Pelocoris femoratus | INV | INV | (S)CH2 (S)CH3 1 COS | (S)CH2 (S)CH3 | (S)CH2 3TRS1 2TRS2 | (S)CH3 | (N)MPS 1 COS | (S)MPS (S)CH3 | Lack | 4TRS1 4TRS2 |
Macrocoris rhantoides | INV | INV | (S)CH2 (S)CH3 1 COS | (N)CH2 (S)CH3 | 3TRS1 2TRS2 | (S)CH3 | (N)MPS 1 COS | (S)MPS | Lack | 6TRS1 3TRS2 |
Naucoris maculatus* (Figures 24(a)-24(b)) | INV | INV | (S)CH2 (S)CH3 1 COS | (N)CH2 (S)CH3 | (S)CH2 2TRS1 | (S)CH3 | (S)MPS 1 COS | (S)MPS | Lack | 4TRS1 |
Namtokocoris siamensis* (Figures 24(c)–24(e)) | INV | INV | (S)CH1 (S)CH2 1 COS | (S)CH2 | (S)CH1 (N)CH2 4TRS1 | (S)CH2 | (S)MPS 1 COS | (S)MPS | Lack | 4TRS1 2TRS2 |
Neomacrocoris handlirschi (Figures 24(f)-24(g)) | INV | INV | INV | (S)CH3 | 12TRS1 | (S)CH2 | (S)MPS 1 COS | (S)MPS | Lack | invisible |
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Pleidae | | | | | | | | | | |
Paraplea frontalis* (Figure 25) | INV | INV | (N)CH3 2 COS | (S)CH3 1 COS | (S)CH2 (S)CH3 | 1 CH3 | 4 CH3 | 1 CH3 | (D)1TRS1 | 3TRS1 |
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Helotrephidae | | | | | | | | | | |
Helotrephes semiglobosus | (N)CH1 | (N)CH1 | (N)CH2 | (N)CH2 1 COS | (S)CH2 | (S)CH2 | (S)CH2 1 COS | (S)CH2 | (D)1TRS1 (D)1TRS2 | 2TRS1 |
Hydrotrephes visayasiensis* (Figure 26) | (N)CH1 | (N)CH1 | (N)CH2 | (N)CH2 1 COS | (S)CH2 | (N)CH2 | (S)CH3 1 CH2 1 CH1 | (S)CH3 2 CH1 | (D)1TRS1 (D)1TRS2 | 2TRS1 2TRS2 |
Hydrotrephes balnearius | INV | INV | (N)CH3 | (N)CH3 1 COS | (S)CH2 | (N)CH2 (S)CH3 | (S)CH3 | (S)CH3 | (D)1TRS1 (D)1TRS2 | 1TRS1 2TRS2 |
Tiphotrephes indicus | (N)CH3 | (N)CH3 | (N)CH3 | (N)CH3 1 COS | (S)CH3 (S)CH2 | (S)CH3 (S)CH2 | (S)CH3 | (S)CH3 | (D)3TRS2 | 3TRS2 |
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Anisopinae | | | | | | | | | | |
Anisops camerunensis | (S)CH3 | (S)CH3 | (N)CH3 1 COS | (N)CH1 | (S)CH1 (S)CH3 | (S)CH3 | (S)CH3 | (S)CH3 | (D)2TRS1 (D)3TRS2 | 6TRS1 2TRS2 |
Anisops sardea | (S)CH3 | (S)CH3 | (N)CH3 1 COS | (N)CH1 | (S)CH1 (S)CH3 | (S)CH3 | (S)CH3 | (S)CH3 | (D)2TRS1 (D)2TRS2 | 6TRS1 2TRS2 |
Buenoa uhleri* (Figure 27) | INV | INV | (S)CH2 (S)CH3 1 COS | (S)CH2 | (S)CH2 (S)CH3 | (S)CH2 (S)CH3 | (N)CH3 (S)CH2 | (N)CH3 (S)CH2 | (D)1TRS1 (D)2TRS2 | 2TRS1 |
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Notonectinae | | | | | | | | | | |
Notonecta glauca* (Figure 28) | (S)CH2 (S)CH3 | (N)CH1 | (S)CH1 (S)CH2 (S)CH3 1 COS | (S)CH2 (S)CH3 | (S)CH1 (S)CH3 | (N)CH1 (N)CH2 | (N)CH3 | (N)CH3 | (D)1TRS1 | 6TRS1 3TRS2 |
Enithares bergrothi | (S)CH3 | (S)CH3 | (S)CH2 (S)CH3 1 COS | (N)CH1 | 1 CH1 (S)CH2 (S)CH3 | (S)CH2 | (S)CH3 | (S)CH3 | (D)3TRS1 (D)2TRS2 | 6TRS1 |
Nychia sappho | (S)CH3 | (S)CH3 | In-visible | (S)CH2 (S)CH3 | (S)CH3 | (S)CH3 | (S)CH3 | (S)CH3 | (D)1TRS1 + 1TRS2 | 2TRS1 1TRS2 |
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Corixidae | Modified labium (unsegmented) |
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Corixinae | | | | | | | | | | |
Agraptocorixa hyalinipennis Hesperocorixa linnaei Ectemnostegella montana Corixa punctata Corixa dentipes* (Figure 29) | (N)P + (N)RBS1 + (N)RBS2 + (N)CH1 + (N)CH2 + (N)CH3 |
Stenocorixinae: Stenocorixa protrusa (N)P + (N)RBS1 + (N)RBS2 + (N)CH1 + (N)CH2 + (N)CH3 Cymatiinae: Cymatia coleoptrara* (Figure 30) (N)RBS1 + (N)RBS2 + (N)PES + (N)CH1 + (N)CH2 + (N)CH3 Diaprepocoridae: Diaprepocoris zealandiae* (Figure 31) (N)P + (N)RBS1 + (N)RBS2 + (N)CH1 + (N)CH2 + (N)CH3 Micronectidae: Micronecta quadristrigata* (Figure 31) (N)P(N)RBS1 + (N)RBS2 + (N)CH1 + (N)CH2 + (N)CH3 |
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