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Inter- and intraspecific variability of morphological and molecular characters in Allothrombium species, with special reference to Allothrombium fuliginosum.

Authors
  • Mąkol, Joanna1
  • Saboori, Alireza2
  • Felska, Magdalena3
  • 1 Department of Invertebrate Systematics and Ecology, Wrocław University of Environmental and Life Sciences, Kożuchowska 5B, 51-631, Wrocław, Poland. , (Poland)
  • 2 Jalal Afshar Zoological Museum, Department of Plant Protection, Faculty of Agriculture, University of Tehran, Karaj, Iran. , (Iran)
  • 3 Department of Invertebrate Systematics and Ecology, Wrocław University of Environmental and Life Sciences, Kożuchowska 5B, 51-631, Wrocław, Poland. [email protected] , (Poland)
Type
Published Article
Journal
Experimental and Applied Acarology
Publisher
Springer-Verlag
Publication Date
Aug 01, 2019
Volume
78
Issue
4
Pages
485–504
Identifiers
DOI: 10.1007/s10493-019-00400-5
PMID: 31292771
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Morphology-based identification of Allothrombium spp., in view of the limited knowledge of intraspecific variation, hinders the recognition of species borders and affects the views on the actual distribution of species. Therefore, identification will benefit from reference to molecular methods. The separate species identity of specimens putatively representing Allothrombium fuliginosum and A. pulvinum, both reported as widely distributed in the Palaearctic region and considered as potential biological control agents, was checked using morphological and molecular analyses. The representatives of various Allothrombium spp. collected in the Palaearctic were included in the analysis in order to ascertain the distance between species. The results of the morphological examination, supported by statistical inference, along with the comparison of COI and/or ITS2 sequences, weaken the hypothesis of synoccurrence of both species in the Palaearctic region. Hence, we hypothesize that A. fuliginosum is widely distributed in the Palaearctic, whereas A. pulvinum should be regarded a Nearctic species.

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