Nokona semidiaphana ( Zukowsky, 1929 ), Zukowsky, 1929

Kallies, Axel, Arita, Yutaka, Owada, Mamoru, Wu, Guo-Yi & Wang, Min, 2014, The Paranthrenini of Mainland China (Lepidoptera, Sesiidae), Zootaxa 3811 (2), pp. 185-206: 194

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Nokona semidiaphana ( Zukowsky, 1929 )


Nokona semidiaphana ( Zukowsky, 1929)  

( Figs 19, 20 View FIGURES 13 – 20 , 35 View FIGURE 35 )

Material examined. Holotype. ♂ “ 24. P. semidiaphana   ” / “ 24 ” [Mahn tsi shan [sic] 25.VII. 1915] (Prov. Guangdon, E Nanling, between rivers Si Kiang and Yangste) (Gen. Prep. AK 157) ( MNHB). Additional Material. 1 ♂, Prov. Guandong, Shaoguang, Nanling, 600 m, 2–6.VII. 2012 ( Fig. 19 View FIGURES 13 – 20 , CAK); 1 ♀, same locality, 24.VII. 2004 ( Fig. 20 View FIGURES 13 – 20 , NSMT).

This species was known only from the type material and was redescribed in detail by Kallies (2007). We here only give a diagnosis and figure a female, which may belong to this species.

Diagnosis. This species is similar to and appears to be closely related to N. actinidiae   . N. semidiaphana   differs from this species by the somewhat smaller size (alar expanse 29–30 mm; 32–37 mm in N. actinidiae   ), the slimmer body, the thinner antennae, the shape and color of the anal tuft (longer, without the yellow tipped scales laterally; shorter, some of the black scales with yellow tips in N. actinidiae   ), the color of the frons (black, bright white laterally; dark grey, light grey laterally N. actinidiae   ), the color of the abdomen (tergite 1 velvet black, somewhat rough scaled, other tergites smooth black, if present pale yellow posterior border of tergite 4 narrow and of equal width as the one of tergite 1, sternite 4 with distinct yellow border; in N. actinidiae   with tergite 1 smooth, black, yellow posterior border of tergite 4 typically broader than the one at tergite 1, sternite 4 usually without yellow border), the broader outer margin of the hindwing. Both species also differ in the male genitalia (without the subapical teeth of the phallus in N. semidiaphana   ).

N. semidiaphana   is also similar to some forms of the N. pernix   species complex, including N. chrysoidea   . It differs by the larger size (alar expanse 29–30 mm; alar expanse 26–29 mm in N. chrysoidea   ), the heavier built, the structure and color of the anal tuft (long, with yellow scales that divide it into two parts which appear triangular from lateral view; shorter, not divided by yellow scales, appearing fan-like or triangular from dorsal view, most scales with a white tip in N. chrysoidea   ). Importantly, species of the N. pernix   complex have distinctly different genitalia (valva broad, not distinctly tapering toward apex, without medial row of hand-shaped setae in N. semidiaphana   ; valva narrow, tapering toward apex, with medial row of hand-shaped setae in species of the N. pernix   complex).

Remarks. Arita (2011) figured a specimen under N. semidiaphana   ; however, this record related to a representative of the N. chrysoidea   species complex. A female ( Fig. 20 View FIGURES 13 – 20 ) is here tentatively assigned to N. semidiaphana   ; however, with 42 mm alar expanse it is exceptionally large and more material is required to strengthen this association.


National Science Museum (Natural History)