inquiline

I1N1Q10U1I1L1I1N1E1
/ˈɪŋkwɪlaɪn/

noun

An animal that lives commensally in the nest, burrow, gall, or dwelling place of an animal of another species.

Scrabble 18

Meanings

nouninquiline (plural inquilines)

plural inquilines

  1. biologyAn animal that lives commensally in the nest, burrow, gall, or dwelling place of an animal of another species.

    A reproductive female inquiline gains access to a host nest and usually kills the resident queen.

    2010, P. J. Gullan, P. S. Cranston, The Insects: An Outline of Entomology, 4th edition, page 332
    2 more examples

    The other study[…]involved the larvae of the caterpillar Maculinea rebeli, an inquiline of Myrmica schenki.

    2003, Gary J. Blomquist, Ralph W. Howard, “Pheromone biosynthesis in social insects”, in Gary J. Blomquist, Richard G. Vogt, editors, Insect Pheromone Biochemistry and Molecular Biology, page 331

    Queens of socially parasitic inquiline ants reproduce by laying eggs in the colonies of other species.

    2003, Mary Jane West-Eberhard, Developmental Plasticity and Evolution
  2. biologyAn organism that lives within a reservoir of water collected in the hollow of a plant stem or leaf.

    The insect and other animal inhabitants of the pitchers, known collectively as the inquilines, may benefit the plants by breaking down prey and making nutrients available for plant absorption.

    2001, J. K. Cronk, M. Siobhan Fennessy, Wetland Plants: Biology and Ecology, page 145
    1 more example

    Captured prey also constitute the resource base for a community of inquiline bacteria, protozoa, and invertebrates that inhabit the water-filled pitchers. For at least two of these inquilines (the pitcher-plant mosquito Wyeomyia smithii Coquillet and the pitcher-plant midge Metriocnemus knabi Coquillet) the availability of captured prey limits individual growth, and ultimately population growth[…]

    1998, Stephen B. Heard, “Capture rates of invertebrate prey by the pitcher plant, Sarracenia purpurea L.”, in The American Midland Naturalist, volume 139, number 1, pages 79–89

Origin

  1. Latininquilīnus“tenant, lodger”
  2. Englishinquiline

From Latin inquilīnus (“tenant, lodger”). Doublet of inquilino.

Full word history & related roots →

Translations

French inquilin
  • inquilinanimal that lives commensally in the dwelling place of another species
Malay inkuilin
  • inkuilinanimal that lives commensally in the dwelling place of another species
Romanian incvilin
  • incvilinanimal that lives commensally in the dwelling place of another species
Russian инквилин
  • инквилин (inkvilin)animal that lives commensally in the dwelling place of another species
Spanish inquilino
  • inquilinoanimal that lives commensally in the dwelling place of another species
Turkish konuk
  • konukanimal that lives commensally in the dwelling place of another species
Ukrainian інквілі́н
  • інквілі́н (inkvilín)animal that lives commensally in the dwelling place of another species
Cite this entry
APA

inquiline. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/inquiline

MLA

“inquiline.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/inquiline. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “inquiline,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/inquiline.

Source: inquiline on Wiktionary, CC BY-SA 4.0.