The walls are covered with psychedelic paintings of women and on display on the second floor, thousands of carefully catalogued beetles, stick insects, butterflies and mosquitoes are labelled and pinned to white boards, the life work of owners Manop and Dr Rampa Rattanarithikul, a local husband and wife team of insect specialists.

BBC: Chiang Mai��s quirky insect wonderland

Because her lab's working with cells and proteins rather than mosquitoes and people, she can quickly and cheaply screen massive numbers of chemicals, even hundreds of thousands.

NPR: Mosquito War: New Chemicals May Beat DEET