Climate change could be causing a concerning uptick in the number of cockroach infestations in Spain – as well as alterations to their genetic makeup. So far this year, Spanish authorities have reported a significant rise in infestations – up by 33 per cent compared to the rate in 2023. Experts say record hot temperatures are to blame for these ‘mutant’ cockroaches. Increased heat means the pests’ metabolic cycles accelerate – and it’s particularly evident in the Germanic cockroach. That’s a worry as that variety is prevalent in homes and food-related businesses. Hotter-than-average temperatur…