Supporting Information 1-2.

Supporting Information 1.Character states

  1. Antenna with (0) long setae (1) short setae (long > 0.03mm)
  2. Length of 3rd+4th antennal segments (0) shorter than foretibia (1) longer than foretibia
  3. Dorsal coloration (0) brown (1) dark brown
  4. Membrane (0) white, transparent (1) brown or dark brown
  5. Labium (0) shorter than hindfemur (1) longer than hindfemur
  6. Female ovipositor (0) well-developed(1) reduced
  7. Length of ocs (0) shorter than diameter of occeli (1) longer than diameter of occeli
  8. Length of fs (0) shorter than diameter of occeli (1) longer than diameter of occeli
  9. Length of ivs, ios (0) shorter than diameter of occeli (1) longer than diameter of occeli
  10. Length of tcs(0) shorter than diameter of occeli (1) longer than diameter of occeli
  11. Laterotergites III (0) not-developed (1) well-developed
  12. Setae on each pronotum sides (0) not exist(1) exist
  13. Male foretibia (0) with spines (1) without spines
  14. Basal part of flagellum (0) thick (1) narrow
  15. Cone (0) narrow (1) broad
  16. Cone (0) with denticule (1) without denticule
  17. Paramere with (0) one flagellum (1) two flagella (2) no flagellum
  18. Paramere (0) cone-like shape (1) blade-like shape
  19. Denticule on the (0) middle of cone (1) top of cone
  20. Flagellum (0) longerthan diameter of cone (1) shorterthan diameter of cone
  21. Denticule (0) elongatedand long (1) sharp and short
  22. Flagellum (0) almost straight (1) bent
  23. Paramere (0) sharp at apex (1) dull at apex
  24. Copulatory tube (0) elongated (1) shortened
  25. Copulatory tube (0) with aps (1) without aps
  26. Copulatory tube (0) with mj (1) without mj
  27. Copulatory tube (0) almost direct (1) bent
  28. Female (0) with copulatory tube (1) without copulatory tube
  29. 3rd and 4th segments of antenna (0) thin (1) thick
  30. 3rd lateral tergite (0) well developed (1) not developted

Supporting Information 2.Character coding

Taxon＼Character / 000000000111111111122222222223
123456789012345678901234567890
Orius sauteri / 001001000000000010101000011100
Orius minutus / 001001000000001000100001000000
Orius strigicollis-Bio / 001001000000001000001001100100
Orius strigicollis-Nat / 001001000000001000001001100100
Orius nagaii / 001001000000000010001000001100
Orius insidiosus / 001001000001000100001001001100
Orius laevigatus / 001001111101000110011000001100
Orius atratus / 001001001101010110001101001100
Orius niger / 001001111101000000000100001100
Amphiareusobscuriceps / 11011011111101??21????1?1?1?11