31. Body with long hair; Haller's organ absent (32 A). ORDER ACARINA......................MITE
Body without hair or short hair; Haller's organ present (32 B). ORDER ACARINA........TICK
31. Five to 7 pairs of walking legs (33 A). CLASS CUSTACEA........................................34
More than 14 pairs of walking legs (33 B)................................................................36
32. Abdomen without appendages (34 A). ORDER COPEPODA...........................COPEPOD
Abdomen with appendages (34 B)..........................................................................35
Figure 2-2. Standard identification key (continued).
MD0170
2-15