information:filtering, structural:expansion
Sex role reversal

Other factors, like resource availability, may affect populations switching towards or away from SRR. Recently, however, biologists studying numerous different insect species have found that nest availability could be an enormous factor. The relative availability of nests for females to lay eggs was a determining factor in whether or not parental investment by males and female sexual dominance became present in the Broad-winged katydid(Microcentrum rhombifolium). When nests are less frequent in an environment, females undergo intrasexual competition to gain access to males, and males generally take on more parenting responsibilities. Co-parenting becomes much more common for populations of katydids in a habitat that allows for more nests, and female aggression decreases.