Moth trapping helps conservation efforts | Letters

Simon Rushall says if we are to overturn the decline in moth numbers, we need to know what is out there. Dr Kate Durrant says trap moths, but only after understanding why and howSuzanna van Moyland misses the scientific point when she criticises moth trapping (Letters, 27 July). If we are to overturn the significant decline in moth numbers, we need to understand what is still out there.It is not just a matter of seeing the odd moth. We need to know numbers, species, locations and time of year, a