Most, if not all embiopteran species, like many other species of insect, are gregarious (Engel & Grimaldi 2006), specifically displaying subsociality. This particular kind of social behaviour involves the female guarding her eggs and then caring for her young for several days after hatching. In some species this parental care even involves the female feeding the nymphs with portions of chewed-up leaf litter and other food sources (Imms 1931).
Subsociality is a trade-off for the female, as the energy and time that is exerted into caring for her young is rewarded by giving them a much greater chance of surviving and carrying on her genetic lineage. Some species do share galleries with more than one adult, however most groups consist of one adult female and her offspring (Ross 2000).
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