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Автор Линда Райор.
Research on amblypygids in my laboratory has focused on amblypygid social dynamics, kin recognition, and ontogenetic changes in behavior. We have found that in Damon diadema (Family Phrynichidae) there is prolonged association and tolerance between mothers and their offspring, active aggregation, frequent amicable tactile interactions, and kin recognition. In captive groups, D. diadema demonstrate all of the traits characteristic of social spiders with the exception of cooperative prey capture. These traits include: (1) Prolonged association with conspecfics, (2) a high level of tolerance (3) a strong tendency to aggregate, (4) overlapping generations of kin, and (5) communicative behavior. Immature amblypygids and their mothers form large interactive groups that are in constant tactile (whip) contact with one another. Young D. diadema remain closely associated and highly interactive until they reach sexual maturity at approximately 12 - 15 months, at which time they avoid interaction with one another except when coming together for courtship. Patterns of grouping and proximity change gradually as the amblypygids mature. We have developed a detailed behavioral ethogram for Damon diadema to quantify the frequency of behavioral interactions. Agonistic interactions among siblings are mild and infrequent prior to sexual maturity. Young siblings (4 to 6 months) interact constantly and are significantly more amicable than interactions among subadult siblings (10 to 11 months) or within mixed groups of unrelated animals. Agonistic behavior is significantly higher among unfamiliar individuals than among sibling groups. When experimentally disturbed or moved into an unfamiliar environment, young amblypygids immediately aggregate with one another and move closer to their mother.