| 单词 |
eusocial |
| 释义 |
eusocial, a. Ethology.|juːˈsəʊʃəl|
[f. eu- + social a.]
Characterized by, pertaining to, or designating an advanced level of social behaviour in animals, spec. that occurring in certain species of social insect.
1966Indian Jrnl. Entomol. XXVIII. 28 Eusocial behavior as seen in halictines Bombus and Allodape differs markedly from the type of highly complicated social organization seen in the Apini and Meloponini. 1969Ann. Rev. Entomol. XIV. 305 Truly social or eusocial Hymenoptera..are those living in colonies which are matrifilial family groups, consisting of individuals of two generations, mothers and daughters. 1971E. O. Wilson Insect Societies ii. 4/1 The ‘truly’ social insects, or eusocial insects as they are sometimes more technically labeled, include ants, all termites, and the more highly organized bees and wasps. 1976Sci. Amer. Mar. 101/2 The eusocial insects, or higher social insects, have three traits in common: cooperative care of the young, a division of labor whereby more or less sterile individuals attend to the needs of fertile individuals, and a life cycle long enough for the offspring at some point to share the activities of the parental generation. 1988Behaviour CVII. 205 The start of egg laying by the queen, leading to the beginning of the eusocial phase.
Hence eusociˈality n., eusocial behaviour; the condition of being eusocial.
1971E. O. Wilson Insect Societies ii. 4/1 Presocial refers to the expression of any degree of social behavior beyond sexual behavior yet short of eusociality. 1976Nature 4 Mar. 10/1 Trivers and Hare have now clarified the precise circumstances in which asymmetric degrees of relatedness can lead to the evolution of eusociality. 1985Jrnl. Theoret. Biol. CXIV. 9 Eusociality is an evolutionarily stable strategy..for hymenoptera, but is it really an ESS for primitive termites and mole rats? |
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