dulosisn.
/djuːˈləʊsɪs/ Entomology.
The practice, exhibited by certain genera of ants, of enslaving other ants or colonies of ants.
ΚΠ
1905 W. M. Wheeler in Bull. Amer. Mus. Nat. Hist. 21 2 This observation, taken in connection with the close taxonomic affinities of pergandei with sanguinea, forcibly suggests dulosis.
1908 Westm. Gaz. 21 Jan. 2/1 The custom of ‘dulosis’..exists in its pure and unadulterated form in two—the Formica sanguinea and the Polyergus rufescens.
1925 A. D. Imms Gen. Textbk. Entomol. 571 From temporary social parasitism the next step is exhibited by dulosis or slavery.
1970 Brown & Taylor in Insects of Austral. (Commonwealth Sci. & Industr. Res. Organization, Austral.) xxxvii. 955/1 The special type of permanent parasitism known as dulosis, or slave-making, in which workers of the ‘slave’ component are constantly replenished by the addition of pupae acquired through mass raids on neighbouring pure nests of the host species, is so far not known to occur in Australia.
Derivatives
duˈlotic adj. slave-holding.
ΚΠ
1904 Biol. Bull. 6 257 Dahl is mistaken in supposing that L. bismarckensis is a dulotic ant, as a perusal of the above quoted passages from Wroughton's work will suffice to show.
1928 W. M. Wheeler Social Insects xi. 289 Yet another Myrmicine genus, Harpagoxenus..must be included among the dulotic, or slave-making ants.
This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018).
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n.1904