1. bookVolume 51 (2017): Issue 5 (October 2017)
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Journal
First Published
19 Aug 2008
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6 times per year
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English
access type Open Access

Peculiarities of Distribution of Two Amblydromella Species (Phytoseiidae, Parasitiformes) in the Zone of Their Natural Intergradation in the Eastern Ukraine

Published Online: 28 Nov 2017
Page range: 401 - 406
Received: 17 Feb 2017
Accepted: 23 May 2017
Journal Details
License
Format
Journal
First Published
19 Aug 2008
Publication timeframe
6 times per year
Languages
English

Distribution of two morphologically and ecologically related species of predatory phytoseiid mites of the genus Amblydromella (A. pirianykae and A. recki) in a zone of their natural intergradation (mountain ridge Donetsky Kriazh in the east of Ukraine) is studied for the first time. The list of plants populated by both predators is given. Consistent patterns of mite distribution on life forms of plants are determined biotopical fidelity on the basis of the coefficient. Very rarely, A. pirianykae and A. recki mites simultaneously populate the same plant organism (only 1.6 % of all samples) which can be attributed to the partially resolved antagonistic relationships. Th e basis of the antagonism is, in the first place, similarity of food preferences of the predators that, in principle, occupy the same ecological niche. Dramatic finale of this confrontation is the elimination of one of the species which has no distinct advantage in the specific conditions of a local microhabitat.

Keywords

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