(a) Shola reedtail (Protosticta sholai) [Image credits: K. A. Subramanian]; (b) blue-legged reedtail (Protosticta cyanofemora) [Image credits: Shantanu Joshi]; (c) Myristica reedtail (Protosticta myristicaensis) [Image credits: Shantanu Joshi]
The study from IISc found a previously unidentified yeast-like symbiont inside the lac insect Kerria lacca, which gives the insect its distinctive red colour and, may also provide other nutrients in return for shelter.