Gracillaria, Haworth, 1828
publication ID |
https://doi.org/ 10.11646/zootaxa.4652.1.1 |
publication LSID |
lsid:zoobank.org:pub:6A7D6858-A43D-4FD5-8B76-FE3C1EB8DAB3 |
persistent identifier |
https://treatment.plazi.org/id/4F5D878B-2550-E07A-FF79-BFEBFC6EFD05 |
treatment provided by |
Plazi |
scientific name |
Gracillaria |
status |
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( Fig. 11A View FIGURE 11 )
Material examined. Russia: PK, Gornotaezhnoe , MTS, 43.69N, 132.15E, 152 m alt., Syringa amurensis , 22.VII.2016, 1 larva, NK549 GoogleMaps , MK 403699 View Materials , ( INRA); same location, Fraxinus mandshurica , 25.VII.2016, 1 larva, NK547 GoogleMaps , MK 403728 View Materials , deposited in INRA.
Leaf mine. The mine is a big silvery blotch, slightly branched, on the upper side of the leaf often at some distance from the leaf margin ( Fig. 11A View FIGURE 11 ). It begins as a short distinctive epidermal tunnel which soon widens into a blotch. In the tunnel, frass froms an orange-brown central line; in the blotch part, the frass line is darker and more pronounced, covering the mine epidermis from beneath. Later, silk is deposited within the blotch mine which contracts slightly ( Fig. 11A View FIGURE 11 ). The mine somewhat reminds of the one of Callisto . Pupation site unknown.
Trophic specialization. Oligophagous on Oleaceae : Fraxinus mandshurica , Syringa reticulata subsp. amurensis .
Distribution. Russia: RFE—PK.
Remarks. BIN of unknown species—BOLD: ADF4930. The two larvae of Gracillaria sp. showed no divergence in COI barcoding fragment and were assigned to one BIN in BOLD ( Table 1 View TABLE 1 ). Overall, in the Palearctic, seven Gracillaria species are known to develop on Oleaceae ( De Prins & De Prins 2018) . Among them four species have distribution in East Asia: Gracillaria albicapitata Issiki (hosts: Fraxinus , Syringa ), G. arsenievi (Ermolaev) ( Fraxinus , Syringa ), G. japonica Kumata (Ligustrum) and G. ussuriella (Ermolaev) (Fraxinus) . Others are known from Europe: G. loriolella Frey (Fraxinus) , G. syringella (Fabricius) ( Fraxinus , Syringa ) and one from North Africa G. toubkalella De Prins (Fraxinus) . The minimum genetic divergence of Gracillaria sp. from other Gracillaria species known to feed on Oleaceae varied from 6.5 to 9.8%. Among them, the closest neighbor to Gracillaria sp. is G. loriolella (6.5%), followed by G. cf. japonica (6.8%), G. syringella (8.0%) and G. ussuriella (9.8%) ( Table 2 View TABLE 2 ). A DNA barcode of G. albicapitata is present in BOLD but not accessible; nevertheless, this species does not appear in the list of top matches with our specimens. BIN BOLD:ADF4930 to which both Gracillaria sp. from RFE and Gracillaria sp. RN-2016 from Japan (deposited in BOLD) may belong to G. arsenievi (Ermolaev) whose larvae develop on Fraxinus and Syringa . However, G. arsenievi barcodes are unavailable in genetic databases and we could not examine any adult moth of Gracillaria sp. in the present study.
MK |
National Museum of Kenya |
INRA |
Institut National de la Recherche Agronomique |
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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