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FIRST RECORD OF THE MITE Histiostoma ulmi IN SILVER FIR AND INDICATION OF A POSSIBLE PHORETIC DISPERSAL BY THE LONGHORN BEETLE Acanthocinus reticulatus

Stefan Wirth ; Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung an der Humboldt-Universität zu Berlin
Milan Pernek ; Croatian Forest Research Institute Jastrebarsko

Fulltext: english, pdf (210 KB) pages 597-603 downloads: 422* cite
APA 6th Edition
Wirth, S. & Pernek, M. (2012). FIRST RECORD OF THE MITE Histiostoma ulmi IN SILVER FIR AND INDICATION OF A POSSIBLE PHORETIC DISPERSAL BY THE LONGHORN BEETLE Acanthocinus reticulatus. Šumarski list, 136 (11-12), 597-603. Retrieved from https://hrcak.srce.hr/94594
MLA 8th Edition
Wirth, Stefan and Milan Pernek. "FIRST RECORD OF THE MITE Histiostoma ulmi IN SILVER FIR AND INDICATION OF A POSSIBLE PHORETIC DISPERSAL BY THE LONGHORN BEETLE Acanthocinus reticulatus." Šumarski list, vol. 136, no. 11-12, 2012, pp. 597-603. https://hrcak.srce.hr/94594. Accessed 25 Feb. 2021.
Chicago 17th Edition
Wirth, Stefan and Milan Pernek. "FIRST RECORD OF THE MITE Histiostoma ulmi IN SILVER FIR AND INDICATION OF A POSSIBLE PHORETIC DISPERSAL BY THE LONGHORN BEETLE Acanthocinus reticulatus." Šumarski list 136, no. 11-12 (2012): 597-603. https://hrcak.srce.hr/94594
Harvard
Wirth, S., and Pernek, M. (2012). 'FIRST RECORD OF THE MITE Histiostoma ulmi IN SILVER FIR AND INDICATION OF A POSSIBLE PHORETIC DISPERSAL BY THE LONGHORN BEETLE Acanthocinus reticulatus', Šumarski list, 136(11-12), pp. 597-603. Available at: https://hrcak.srce.hr/94594 (Accessed 25 February 2021)
Vancouver
Wirth S, Pernek M. FIRST RECORD OF THE MITE Histiostoma ulmi IN SILVER FIR AND INDICATION OF A POSSIBLE PHORETIC DISPERSAL BY THE LONGHORN BEETLE Acanthocinus reticulatus. Šumarski list [Internet]. 2012 [cited 2021 February 25];136(11-12):597-603. Available from: https://hrcak.srce.hr/94594
IEEE
S. Wirth and M. Pernek, "FIRST RECORD OF THE MITE Histiostoma ulmi IN SILVER FIR AND INDICATION OF A POSSIBLE PHORETIC DISPERSAL BY THE LONGHORN BEETLE Acanthocinus reticulatus", Šumarski list, vol.136, no. 11-12, pp. 597-603, 2012. [Online]. Available: https://hrcak.srce.hr/94594. [Accessed: 25 February 2021]

Abstracts
The mite Histiostoma ulmi (Histiostomatidae), originally discovered by the describer within the bark beetle galleries of genus Scolytus, has been found to be phoretic on a tenebrionid beetle Hypophloeus bicolor. The first discovery of H. ulmi in the galleries of the longhorn beetle Acanthocinus reticulatus indicates the possibility of its phoretic association with several beetle carriers: tenebrionid, cerambycid and scolytid beetles. In Croatia, scolytids of the genus Pityokteines, occupying the same niche within their food plant, silver fir (Abies alba) could represent these additional carriers.

Acanthocinus reticulatus infested the bark of an Abies alba specimen as a pioneer taxon, as opposed to the usual earliest colonising beetles Pityokteines spinidens and P. curvidens. Histiostoma ulmi was reared from samples taken from the galleries of this longhorn beetle’s larvae. As is typical for histiostomids, these mites feed on bacteria. They represent a monophyletic group of at least six very similar species. The morphological characters separating H. ulmi from similar species are expressed only in adult mites. Deutonymphs found attached to Pityokteines were previously determined to be Histiostoma piceae, but were never reared to adulthood. Due to a close resemblance between the deutonymphs of H. piceae and H. ulmi, incorrect assignments, relying only on deutonymphs for determination, are possible. H. ulmi was observed under laboratory conditions carrying spores of an undetermined mold fungus. Other phoretic mites, such as Tarsonemus, are known to carry spores of blue stain fungi (Ophiostomatidae) which could be of practical importance in silver fir decline. Future studies need to show, whether deutonymphs of H. ulmi, possible vectored by bark beetles, tenebrionids and longhorn beetles, also carry spores of blue stain fungi.

Keywords
Pityokteines; Acari; Histiostomatidae; Histiostoma ulmi; Histiostoma piceae; Acanthocinus reticulatus; fungal spores; hyperphoresy

Hrčak ID: 94594

URI
https://hrcak.srce.hr/94594

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