| maternal care in acanthosomatinae (insecta: heteroptera: acanthosomatidae)--correlated evolution with morphological change. | maternal care (egg-nymph guarding behavior) has been recorded in some genera of acanthosomatidae. however, the origin of the maternal care in the family has remained unclear due to the lack of phylogenetic hypotheses. another reproductive mode is found in non-caring species whose females smear their eggs before leaving them. they possess pairs of complex organs on the abdominal venter called pendergrast's organ (po) and spread the secretion of this organ onto each egg with their hind legs, which ... | 2015 | 26586480 |