Wednesday, May 21, 2014

Notes + lulu.com link to book, A mechanistic approach to studying ..., covering social parasitism in mammals. Clara B. Jones

Notes:: Terminology: Social parasitism in social insects [after Holldobler & Wilson, 1998]...

I. Types of Social Parasitism: Coexistence in the same nest of two species of social insects, one of which is parasitically dependent upon the other. The term can, also, be applied loosely to the relation between symphiles and their social insect hosts. Symbioses, Commensalism; no documented cases of Mutualism. [Symphilic: an amicably-accepted symbiont; Symbiont: An organism living in symbiosis with another--n.b. Not all researchers consider Social Parasitism to be, Symbiosis].

1. Inquilinism: The relation in which a socially parasitic species spends the entire life cycle in the nests of its host species. Workers are either lacking or if present, scarce and degenerate in behavior. This condition sometimes referred to as "permanent parasitism"
2. Dulosis: The relation in which workers of a parasitic [dulotic or slave-making] ant species raid the nests of another species, capture brood [usually pupae], and rear them as enslaved nestmates.
3.Xenobiosis: The relation in which colonies of one species live in the nests of another species and move freely among the hosts, obtaining food from them by regurgitation or other means but still keeping their brood separate.
4.Parabiosis: The utilization of the same nest and sometimes the same odor trails by colonies of different species which nevertheless keep their broods separate.
5. Cleptobiosis: The relation in which one species robs the food stores or scavenges in the refuse piles of another species but does not nest in close association with it.
6. Lestobiosis: The relation in which colonies of a small species nest in the walls of the nests of a larger species and enter the chambers of the larger species to prey on brood or to rob the food stores.
7. Plesiobiosis: The close proximity of two or more nests, accompanied by little or no direct communiccation between the colonies inhabiting them.

n.b. "intermorph;" compound nests; mixed colonies

II. Social Parasitism most likely to be observed during population expansion or colony foundation. [in mammals, during dispersal?, settlement?]

III. Evolutionary factors: Disruptive Selection; Emery's Rule [parasite & host closely related or similar in other ways--in social insects, many exceptions to this rule observed]; Allopatric or Sympatric speciation [rapid rate of speciation]; Competition: [-, - interactions between species (or individuals?)]

IV. Do the principles observed in social insects apply across scale [i.e., to the individual level] and/or to other taxa, including, humans?


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