LIBRARY

HEMIPTERA
CLASSIFICATION 1
Suborder HETEROPTERA Latreille 1810
SERIES 1. GYMNOCERAT A (Terrestrial and Subaquatic Forms)
Section GEOCORISA!:
1. Family PLATASPIDIDlE 16. Family PIESMIDlE
2. "PODOPIDlE (GRAPHOSO- 17 THAUMASTOTHERIIDlE
MAT IDlE) (THAUMASTOCORIDJE)
3. CYDNIDlE 18. ENICOCEPHALIDlE
4. " SCUTELLERIDlE 19. PHYMATIDlE
5. " PENTATOMIDlE 20. REDUVIIDlE
6. COREIDIE 21. PLOIARIIDtE
7. CORIZIDtE 22. NABIDlE
8. ., ALYDIDlE 23. POLYCTENlDlE
9. ARADIDlE 24. CIMIClDJE
10. DYSODIIDtE 25. " ANTHOCORIDAl:
11. TERM ITAPH IDIDAl: 26. MICROPHYSIDlE
12. " NElDIDlE (BERYTIDlE) 27. MUUDIE (CAPSIDlE)
13. .. LYGlElDiE 28. CRYPTOSTEMMATIDlE
14. PYRRHOCORlDlE (CERATOCOMBIDiE.
15. .. TINGIDiE DIPSOCORID.tE)
29. SALDIDAl:
Section AMPHIBICORISlE
30. Family HEBRID.£ 33. Family VELIIDlE
31. "MESOVELIIDiE
(MICROVELIIDJE)
32. "HYDROMETRIDiE 34. GERRIDlE
SERIES II. CRYPTOCERATA (HYDROCOlUS.tE Latreille 1802) (Aquatic Forms)
35. Family GELASTOCORIDlE 39. Family BELOSTOMATIDlE
(NERTHRIDIE, (BELOSTOMIDlE)
GALGULIDlE, 40. NOTONECTIDlE
MONONYCHIDJE) 41. PLEIDLE
36. "OCHTERID.lE 42. .. HELOTREPHIDlE
37. " NAUCORIDlE 43. CORIXIDlE
38. "NEPIDAl:
KEY TO THE FAMILIES OF HETEROPTERA OF NORTH AMERICA
(By R. L. Usinger)
1. Antennre shorter than head, concealed in grooves beneath the eyes and
hence invisible from above except in the OCHTERIDlE. Series
CRYPTOCERATA. . . . . . . . . . .. 2
Antennre longer than the head and plainly visible from above. Series
GYMNOCERATA . 9
2. Ocelli absent . . . . . . . . . . . . .. 3
Ocelli present . . . . . . . . . . . . " 8
1 Only the more important families are included, and superfamilies are omitted because
of lack of uniformity in their use.
269