| A peak | Afternoon activity peak |
| AC neurons | Anterior cell neurons |
| BLP neurons | Brain lateral posterior neurons |
| cho | Chordotonal organs |
| DDTC | Temperature cycles in constant darkness |
| DPP | Dorsal posterior protocerebrum |
| E peak | Evening activity peak |
| LD | Light dark cycles |
| LPF | Local field potential |
| M peak | Morning activity peak |
| md neurons | Multidendritic neurons |
| PER | PERIOD |
| PLC | Phospholipase C |
| PMW | Prolonged morning wakefulness |
| SP | Sex peptide |
| SPR | Sex peptide receptor |
| TC | Temperature cycles |
| TIM | TIMELESS |
| TPR | Temperature preference rhythm |
| TRP channel | Transient receptor potential channel |
| VNC | Ventral nerve cord |