Isonychia ussurica ussurica Bajkova, 1970 (first record from China)
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https://dx.doi.org/10.3897/zookeys.1178.104619 |
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lsid:zoobank.org:pub:D2371186-B406-4F65-9AA5-EB961F9D7D0C |
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https://treatment.plazi.org/id/B3C2330E-0FD1-556A-BB18-FB4AB6E2F61B |
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Isonychia ussurica ussurica Bajkova, 1970 (first record from China) |
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Isonychia ussurica ussurica Bajkova, 1970 (first record from China) View in CoL View at ENA
Isonychia ussurica Bajkova, 1970: 148 (adults). Types from Khor River, Russia.
Isonychia sp. 1: Bajkova 1970: 153 (nymph) (named Isonychia (Isonychia) ussurica ussurica by Tiunova et al. 2004: 16 (male, female, and nymph)).
Material examined.
2 male imagos and 1 female imago, the river under No. 70 Bridge , Nancha County, Yichun City, Heilongjiang Province, China, 15-17-VII-2016, collected by Wei Zhang.
Diagnosis.
The male of this subspecies can be identified by its body smaller than other species (~ 10.0 mm), forewing with pigmented band, MP and MA of hindwing forked equally (Fig. 14A, B View Figure 14 ), and nearly triangular penes and its membranous processes, slightly convex inner margin of forceps (Fig. 14D-F View Figure 14 ). The body of it is also usually uniformly reddish to reddish brown. Female size and color pattern are similar to males but without pigment on wings. Sternum IX has a narrowed posterior half and free margin is shallowly concave (Fig. 14C View Figure 14 ).
Description.
See Bajkova (1970) or Tiunova et al. (2004).
Distribution.
China (Heilongjiang province), Russia ( Tiunova et al. 2004), Korea ( Bae and Yoon 1997).
Remarks.
The size of brownish transverse band on forewing of our Chinese material seems smaller than that described by Bajkova (1970) and Tiunova et al. (2004) on Russian specimens (Fig. 14A View Figure 14 ). We regard this difference as a population variation.
Tiunova et al. (2004) stated clearly that two subspecies are distributed in different parts of Russia: I. u. sibirica in the western part such as Siberia and Mongolia while I. u. ussurica is found in the eastern part, the Russian Far East. Consistently, our collections of these two subspecies from Heilongjiang province show that the distribution of I. u. sibirica is more western than that of I. u. ussurica .
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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Isonychia ussurica ussurica Bajkova, 1970 (first record from China)
Qiang, Xin-He & Zhou, Chang-Fa 2023 |
Isonychia ussurica
Bajkova 1970 |
Isonychia (Isonychia) ussurica ussurica
ussurica Bajkova 1970 |
Isonychia
Eaton 1871 |