Northamptonshire — county
- Group
- Caddisflies
- Peak month
- October
- Records since 2000
- 994
- Group
- True bugs
- Peak month
- September
- Records since 2000
- 961
- Group
- True bugs
- Peak month
- September
- Records since 2000
- 887
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 788
- Group
- Fish
- Peak month
- April
- Records since 2000
- 778
- Group
- True bugs
- Peak month
- September
- Records since 2000
- 713
- Group
- True bugs
- Peak month
- October
- Records since 2000
- 516
- Group
- True bugs
- Peak month
- September
- Records since 2000
- 449
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 415