kairomone

plural kairomones

1. biochemistryAny substance produced by an individual of one species (often an insect) that benefits a recipient of a different species but is harmful to the producer.First known use 1970

   Host‐finding by the parasitic wasp Orgilus lepidus, a braconid parasite, is mediated by two kairomones present in the frass of the host insect, the potato tuberworm.

   1973 December, L. B. Hendry, P. D. Greany, R. J. Gill, “Kairomone Mediated Host‐finding Behavior in the Parasitic Wasp Orgilus lepidus”, in Entomologia Experimentalis et Applicata, volume 16, number 4, Amsterdam: Nederlandse Entomologische Vereniging [Netherlands Entomological Society], →DOI, →ISSN, →OCLC, abstract, page 471

   2 more examples

   Among these substances, we propose to designate two major functional groupings by the terms allomone and kairomone, chosen as intentional parallels to the term pheromone.

   [1970 January, William L[acy] Brown, Jr.; Thomas Eisner; Robert H[arding] Whittaker, “Allomones and Kairomones: Transspecific Chemical Messengers”, in BioScience, volume 20, number 1, Washington, D.C.: American Institute of Biological Sciences, →DOI, →ISSN, page 21

   Mutillids apparently use odour signals (kairomones) while actively running in suitable locations for finding such hosts, and must spend much time searching, with little prospect of finding numerous hosts.

   2000 August, D. J. Brothers, G[unther] Tschuch, F. Burger, “Associations of Mutillid Wasps (Hymenoptera, Mutillidae) with Eusocial Insects”, in Insectes Sociaux, volume 47, Heidelberg: Birkhäuser Verlag for the International Union for the Study of Social Insects, →DOI, →ISSN, →OCLC, pages 201–211