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Differences between species and instars of Phratora leaf beetles (Coleoptera, Chrysomelidae) in the probability of being preyed on

Annales zoologici Fennici, 1992-01, Vol.29 (4), p.273-278 [Peer Reviewed Journal]

1992 Finnish Zoological Publishing Board ;1993 INIST-CNRS ;ISSN: 0003-455X ;EISSN: 1797-2450 ;CODEN: AZOFAO

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Title:
Differences between species and instars of Phratora leaf beetles (Coleoptera, Chrysomelidae) in the probability of being preyed on
Author: Palokangas, Päivi ; Neuvonen, Seppo
Subjects: Animal ethology ; Beetles ; Biological and medical sciences ; Chrysomelidae ; Coleoptera ; Crabs ; Fundamental and applied biological sciences. Psychology ; Host plants ; Insect larvae ; Instars ; Invertebrates ; Larvae ; Phratora ; Predation ; Predators ; Protozoa. Invertebrata ; Psychology. Psychoanalysis. Psychiatry ; Spiders ; Wolves
Is Part Of: Annales zoologici Fennici, 1992-01, Vol.29 (4), p.273-278
Description: The defence against predators of two closely related leaf beetle species was compared. Phratora vitellinae (Linnaeus) is known to use plant precursors in producing defensive compounds but P. polaris (Sparre Schneider) obviously synthesizes its defensive compounds from the first on its own, which is known to be true for all the other Phratora species studied except P. vitellinae. In predation experiments P. vitellinae was significantly less eaten by spiders than P. polaris. First instar larvae of P. polaris were more susceptible to spiders than older larvae. This may be explained by instarspecific defensive behaviour of the larvae.
Publisher: Helsinki: Finnish Zoological Publishing Board, formed by the Finnish Academy of Sciences, Societas Biologica Fennica Vanamo, Societas pro Fauna et Flora Fennica, and Societas Scientiarum Fennica
Language: English
Identifier: ISSN: 0003-455X
EISSN: 1797-2450
CODEN: AZOFAO
Source: Free E Journals

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Differences between species and instars of Phratora leaf beetles (Coleoptera, Chrysomelidae) in the probability of being preyed on

1992 Finnish Zoological Publishing Board ;1993 INIST-CNRS ;ISSN: 0003-455X ;EISSN: 1797-2450 ;CODEN: AZOFAO

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