Supplementary descriptions and DNA barcodes of two rarely encountered Trisetacus species (Eriophyoidea, Phytoptidae) associated with Tertiary relict conifers from the Mediterranean region

P. E. Chetverikov, S. J. Bolton, M. S. Burlakovskiy, C. Craemer, P. G. Efimov, P. Klimov, S. Neser, S. S. Paponova, A. Romanovich, S. I. Sukhareva, J. Amrine

Результат исследований: Научные публикации в периодических изданияхстатьярецензирование

4 Цитирования (Scopus)

Аннотация

New records and supplementary morphological descriptions of two rarely encountered Trisetacus species from Pinaceae, T. abietisPostner 1968 and T. cedri (Nalepa 1920), are reported. Trisetacus abietis was found in Abkhazia under the needle epidermis of Abies nordmanniana (Steven) Spach, a conifer endemic to the mountainous Asian coast of the Black Sea. Trisetacus cedri was found in buds of introduced Cedrus deodara (Roxb. ex D. Don) G. Don in Abkhazia and South Africa. It is the only member of Trisetacus known from Cedrus spp. For the first time we provide sequences of two genes (COI and D1-D2 28S) of T. abietis (MN022221, MN025333) and T. cedri (MN022222, MN022223, MN025334, MN025335), along with microphotographs of the damage caused by these mites on their coniferous hosts. Sequences of D1-D2 28S of T. cedri from Abkhazian and South African populations are identical; COI sequences from different populations differ by only one synonymous substitution in a codon for asparagine. Females of T. abietis have long asymmetrical 8/7-rayed empodia, whereas males have shorter symmetrical 6/6-rayed empodia and shorter solenidia ω I. Similar sexual dimorphism in tarsal appendages was previously reported in Novophytoptus, representing an endoparasitic lineage of phytoptids on monocots. In T. cedri, a "long form" and a "short form" of both males and females were detected, suggesting a complex life cycle in this species. The evolution of Trisetacus is discussed within the broader context of the molecular phylogenies of Pinaceae and Eriophyoidea, including estimations of divergence times.

Язык оригиналаанглийский
Страницы (с-по)1631-1652
Число страниц22
ЖурналSystematic and Applied Acarology
Том24
Номер выпуска9
DOI
СостояниеОпубликовано - 1 сен 2019

Предметные области Scopus

  • Энтомология
  • Экология, эволюция поведение и систематика
  • Экология

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