| RecYear | | Physical quantity | Year of record |
| RecMonth | | Date/time | Month of record |
| RecDay | | Date/time | Day of record |
| Watershed | | Nominal | watershed |
| Repsite | | Code list | replication site for a treatment |
| Spcode | | Code list | species code |
| Species | | Nominal | abbreviated species name |
| FirstInstar | | Physical quantity | number of individuals in 1st instar |
| SecondInstar | | Physical quantity | number of individuals in 2nd instar |
| ThirdInstar | | Physical quantity | number of individuals in 3rd instar |
| FourthInstar | | Physical quantity | number of individuals in 4th instar |
| FifthInstar | | Physical quantity | number of individuals in 5th instar |
| Female | | Physical quantity | number of individuals of adult females |
| Male | | Physical quantity | number of individuals of adult males |
| Total | | Physical quantity | total number of ind./all stages 400 sweeps |
