What are Allomones with examples?
Examples of allomones involved in chemical mimicry. (a) The bolas spider (Mastophora phyrnosoma) emits a chemical mimic of its prey’s sexual pheromones. As soon as the lured male moths get into striking distance, the spider swings the sticky ball of glue which is suspended on a short thread at its prey to catch it.
What is the difference between pheromones and Kairomones?
ABSTRACT Some chemicals elicit innate emotionally laden behavioral responses. Pheromones mediate sexual attraction, parental care or agonistic confronta- tion, whereas predators’ kairomones elicit defensive behaviors in their preys.
What is the meaning of Kairomones?
: a chemical substance emitted by one species and especially an insect or plant that has an adaptive benefit (such as a stimulus for oviposition) to another species.
What are insect pheromones?
Pheromones are chemicals produced as messengers that affect the behavior of other individuals of insects or other animals. They are usually wind borne but may be placed on soil, vegetation or various items. Pheromones differ from sight or sound signals in a number of ways.
How do Kairomones work?
Kairomones increase the rate of parasitism by three ways: (1) by stimulating the female parasitoids (Srivastava and Singh, 1988a), (2) by retaining the female parasitoids on the treated host patch (Srivastava and Singh, 1988b), and (3) by improving egg distribution among the hosts (Singh and Srivastava, 1989).
What is Gossyplure?
Gossyplure, a pheromone named after its insect source, Pectinophora gossypiella(pink bollworm), attracts male pink bollworm moths. Pheromone dispensers set up in cotton fields compete with female moths for the males’ attention, disrupting mating and reducing the population of this crop-damaging species.
Are Semiochemicals pheromones?
5.9. Semiochemicals are produced by organisms that modify the behavior of animals. The most important types of semiochemicals for IPM are pheromones and allomones. Pheromones are emitted by members of a species to modify the behavior of other members of same species.
Who proposed term Semiochemicals?
Karlson and Lüscher [4] first proposed the term pheromone to describe chemical signals that mediate intraspecific interactions. The sex pheromone of the silkworm moth, Bombyx mori was the first pheromone to be chemically identified in 1959 and is considered as the most important semiochemical used in pest management.
What are 100 examples of synonyms?
Abduct – Take away
What is the best synonym?
best(noun) the supreme effort one can make. “they did their best”. Synonyms: topper. Antonyms: worst, lowest, last, bottom, inadvisable, last-place, pessimal, unadvisable, pessimum(a) best, topper(noun) the person who is most outstanding or excellent; someone who tops all others. “he could beat the best of them”.
What are synonyms and antonyms?
antonym, opposite word, opposite(noun) a word that expresses a meaning opposed to the meaning of another word, in which case the two words are antonyms of each other. “to him the antonym of `gay’ was `depressed'”. Synonyms: inverse, reverse, opposite word, contrary, opposite, opposition, opponent. Antonyms:
What is list of synonyms?
ability – capability,competence,skill