Posted by Tony Irwin on 16-10-2015 21:31
#6
It might be worth checking whether these magnificent colours are due to an iridovirus, although I understand that studies on chironomids attacked by iridoviruses show that they do not normally display the bright colours that other invertebrates do. (See p.256 of Yoshinori Tanada, Harry K. Kaya - 2012 - Insect Pathology.)