Swimmerets: gill or plate-like structures in the aquatic larvae of some Neuroptera, serving as oars or organs of locomotion.
Swimming paddles: terminal appendages of mosquito pupae.
Swoked: smoky, suffused with gray or blackish.
Sylvan: species inhabiting forests or woodland areas.
Symbiogenesis: the method of origin of social symbiotic relation among ants and other insects.
Symbiosis: a life relationship existing between different kinds of animals or plants, or between animals and plants: true symbiosis is where both parties to the relation benefit: see also parasitism, commensalism. Among the ants social symbiosis exists in its most highly developed form and distinctive terms have been proposed for the various types of relations:
Calobiosis, is that association in which one species, often only the female, lives in the nest of and at the expense of another species, either for a time, = temporary - or altogether, = permanent calacobiosis. { Scanner's note: sic}
Cleptobiosis, is where one species of ant lives in or near the nest of another, preying upon its larvae or pupae or stealing the food supply.
Dulosis, is that mingling of colonies which owes its origin to the enslavement of one species by another.
Hamabiosis, is that relation where two species of any insects, one of which may be an ant, live side by side without obvious motive or known advantage to one or both.
Lestobiosis, is where the workers of one ant colony "hold up" those of another species and rob them of the food they are carrying to the nest.
Parabiosis, is where different species of ants form colonies with inosculating galleries, and have their households strangely intermingled, but not blended.
Phylacobiosis, is the relation existing between ants and Termites, the ants living in the doorways of the Termites and functioning as guards.
Synclerobiosis, is an association of two species of ants that usually inhabit independent colonies, for purposes that are not clearly understood.
Trophibiosis, is the relationship between ants on the one hand and aphids, coccids and the like on the other; these species being sought and attended by the ants for their own benefit: see myrmecophily.
Xenobiosis, is where one species of ant lives as a guest in the nest of another, maintaining its own household, and mingling freely with the host species, the two living on terms of mutual toleration.