期刊
EXPERIMENTAL AND APPLIED ACAROLOGY
卷 82, 期 1, 页码 33-57出版社
SPRINGER
DOI: 10.1007/s10493-020-00518-x
关键词
Eriophyoidea; Plant feeding mites; Alpha taxonomy; Molecular markers; Gall mite; Chaste tree
类别
资金
- University 'Aldo Moro' of Bari
The eriophyoid miteAceria massalongoi(Canestrini) was collected from globoid leaf galls on severely injured chaste trees,Vitex agnus-castusL. (Lamiaceae), in Bari and Bernalda (southern Italy), and on the Ionian island Leukade (Greece). Female, male and nymph were described in detail, following the current morphometric descriptive scheme, supplementing older and incomplete descriptions. Molecular characterization ofA. massalongoifrom Italy and Greece was conducted by amplifying and sequencing the ribosomal ITS, the D2-D3 expansion domains of the 28S rRNA gene and the mitochondrial COI, for the first time. Phylogenetic trees based on the three molecular markers showed congruent results, confirming that Italian and GreekA. massalongoipopulations are the same species that cluster together with some intraspecific variability. Galls, ranging from 0.5 to 2.8 mm in diameter, were randomly distributed on both leaf surfaces, and protruded ca. 1 mm from the leaf surface. Sometimes they were closely aggregated on midrib and leaves, which, consequently, appeared strongly deformed. Close-up observations revealed that gall induction causes hyperplastic proliferation of leaf tissues around the gall chamber hosting mites. The uniserial cell lining inside this chamber provides the nutritional tissue for the mites. All feeding cells contained one or more (frequently 2-3) hypertrophied nuclei and dense granular cytoplasm.
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