Cranionycta (Cranionycta) oda oda de Lattin, 1949

Kiss, Ádám, 2025, Taxonomic study of the genus Cranionycta de Lattin, 1949 (Lepidoptera: Noctuidae: Acronictinae) with description of a new subgenus and 21 new species, Zootaxa 5640 (1), pp. 1-71 : 16-17

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https://doi.org/10.11646/zootaxa.5640.1.1

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Cranionycta (Cranionycta) oda oda de Lattin, 1949
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Cranionycta (Cranionycta) oda oda de Lattin, 1949

( Figs 14–16 View FIGURES 11–20 , 60–62 View FIGURES 55–60 View FIGURES 61–66 , 81 View FIGURES 73–83 , 90, 91 View FIGURES 90–95 , 116 View FIGURES 114–121 , 132 View FIGURES 130–139 )

Cranionycta oda de Lattin, 1949 View in CoL , Zeitschrift der Wiener Entomologischen Gesellschaft 34: 108, fig. 3 (male genitalia). Type-locality: Russia, Primorsky Krai, Suchansky Rudnik [Partizansk]. Holotype: male, in coll. ZfBS.

Material examined. China. Prov. Heilongjiang . 1 male, Liangshui , 18.viii.2007, leg. Z.H. Pan et al., slide No.: HHL6191 ( NEFU) . Prov. Jilin. 1 [abdomen missing], Wangqing, Tianqiaoling , 5.viii.2007, leg. H.L. Han et al. ( NEFU) . Prov. Liaoning . 1 male, Fengcheng , 24.vii.2007, leg. Z.H. Pan et al., slide No.: HHL6197 ( NEFU) ; 1 male, Fushun city, Douling , 10.vii.2007, leg. Z.H. Pan et al., slide No.: HHL6193 ( NEFU) . Japan. Honshu . 1 male, 1 female, Hyogo Pref., Tazima, Mt. Hyonosen, Yokoiki , 23.vii.1957, leg. Y. Yamamoto, ex. coll. S. Sugi, 29-0057806, 29-0057807, slide No.: SS 837♂ ( NIAES) . Russia. Primorsky Krai. 1 male, Barabash , 10.vii.1989, leg. A.V. Napolov, slide No.: KA 862m ( ZMUC) ; 1 male, 1 female, Kaimanovka , 13.v.1964, 14.vii.1975, leg. A. Tsvetaev, ex. coll. A.V. Nekrasov ( ZISP) ; 6 males, 2 females, Razdolnoye , 14.vii.1982, leg. Lindt, slide Nos: KA 173m, KA 174m, KA175f, KA 176m, KA 177m, KA 178m, KA179f, KA 180m ( HNHM) ; Paralectotype of Craniophora transversa , male, Suchan [Partizansk], 24.vii.1928, leg. Kurentsov, “praep. micr. No.: 3489”, slide No.: Matov 0347 ( ZISP) ; Paralectotype of Craniophora transversa , male, Suchan [Partizansk], 5.vii.1932, leg. Palshkov ( ZISP) ; Holotype of Cranionycta oda , male, Suchansky Rudnik [Partizansk] ( ZfBS) ; 1 male, Suchansky Rudnik [Partizansk], ex. coll. Schawerda ( NHMW) ; Paratype (as “ allotype ”), female, Suchansky Rudnik [Partizansk], Juli ( ZfBS) ; 2 males, Suchansky Rudnik [Partizansk], Juli ( NHMW) ; 1 male, Ussuriysky distr., Gornotaezhnaya Station , 24.vii.1989, leg. A.V. Napolov, slide No.: KA 863m ( ZMUC) ; 2 females, Ussuriysky distr., Gornotaezhnaya village , 3.vii.2016, 2.viii.2016, ex. coll. V. Golovizin ( NHMW) ; 1 male, Ussuriysky distr., Zaretchye village , 17.viii.1995, leg. I. Tchervonenko ( GR) ; 1 male, 1 female, Vladivostok, Okeanskaya station , 21.vii.2017, leg. K.M. Prokopenko & A.K. Prokopenko ( OP) ; 1 female, Vladivostok distr., Nachodka , 1–31.vii.1994, leg. Kuznecov ( PG) . Transbaikal . 1 female, Naminga , 1300 m, 25.vii.1993, leg. Streltsov, ex. coll. A.V. Nekrasov ( ZISP) .

Note. Cranionycta (Cranionycta) oda comprises three geographically distinct populations: Northeast Chinese- Russian Far Eastern, Korean and Japanese. Only the Korean population ( “ transversa ”) shows any external and genital differentiation from the other two.

Diagnosis. Externally, C. (C.) oda ( Figs 14–16 View FIGURES 11–20 ) can be distinguished from the species of the oda species-group ( Figs 1–13 View FIGURES 1–10 View FIGURES 11–20 ) and C. (C.) formosana ( Figs 21–24 View FIGURES 21–30 ) by the following features: the more greyish forewing with some ochreous shading in the inner part of antemedial field, subbasal patch, medial and terminal areas; the less contrasting, reduced antemedial line; the more wavy medial fascia; the somewhat less contrasting postmedial line; the more pronounced, more lightly coloured orbicular stigma with a short section of blackish outline inwardly; the somewhat more pronounced reniform stigma with some brownish-ochre filling, and a uniformly narrow, more or less continuous outline; the tiny, often absent apical dash; and the thin, line-like tornal streak with some fish-bone patterning in the medial section. Additionally, C. (C.) oda can be distinguished from C. (C.) formosana by the narrower, longer tornal streak and the more uniformly brownish hindwing.

Brownish tinted specimens ( Fig. 16 View FIGURES 11–20 ) can also be distinguished from C. (N.) delattini ( Figs 29, 30 View FIGURES 21–30 ) by the more contrastingly coloured forewing with more striking ochreous spots; the more whitish medial field; the narrower tornal streak; the straighter medial line with more, smaller waves; the less pronounced, reduced postmedial line; the more contrastingly coloured subterminal line and terminal field (the latter is more lively whitish); the more conspicuous orbicular stigma with a longer blackish inner outline; and the more conspicuous reniform stigma with a blackish inner half, and a uniformly narrow, more or less continuous outline. Wingspan 30–38 mm.

The distinguishable characters of male genitalia of C. (C.) oda ( Figs 60–62 View FIGURES 55–60 View FIGURES 61–66 ) from those of other species in the oda species-group ( Figs 55–59 View FIGURES 55–60 ) and from C. (C.) formosana ( Figs 65, 66 View FIGURES 61–66 ) are the follows: the clasping apparatus and vesica are generally larger; the valvae are narrower medially, more curved apically with a more ventrally extended corona; the medial sclerite is somewhat more sclerotized at its base and is irregularly wavy, and slightly convex; the vesica has 2–10 large, sclerotized, tooth-like cornuti surrounded by some tiny spinulose structures on the mid-lateral surface ( Fig. 81 View FIGURES 73–83 ). The distal diverticulum of the vesica is less pointed than that of C. (C.) inquieta ( Fig. 58 View FIGURES 55–60 ).

The female genitalia ( Figs 90, 91 View FIGURES 90–95 ) differ from those of its relatives ( Figs 84–89 View FIGURES 84–89 ) by their generally larger size; the shorter or subequal appendix bursae relative to the corpus bursae; and the slightly straighter terminal twist of the appendix bursae turned at a sharp angle towards to the corpus bursae.

The male terminal abdominal segments ( Fig. 116 View FIGURES 114–121 ) can be distinguished from those of its relatives ( Figs 114, 115 View FIGURES 114–121 ) by the somewhat more angular window of the 8 th sternite with a wide and relatively thick, less semi-circularly sclerotized proximal stripe; and the somewhat more uniformly narrow, handle-like proximal base of the 8 th tergite with a more regular, oval window.

In the female 7 th abdominal segments of C. (C.) oda ( Fig. 132 View FIGURES 130–139 ), compared to its relatives ( Figs 128–131 View FIGURES 122–129 View FIGURES 130–139 ), the sternite has a slightly convex or rather straight lateral side with a more pointed distal corner; and a slightly more sclerotized, semi-circular distal band.

The nominotypical subspecies is separable from C. (C.) oda transversa ( Figs 17–20 View FIGURES 11–20 , 63, 64 View FIGURES 61–66 , 82 View FIGURES 73–83 , 92, 93 View FIGURES 90–95 , 117 View FIGURES 114–121 ) by the generally lightly coloured, more greyish forewing; the somewhat more contrastingly coloured subterminal line and terminal field; the somewhat more pronounced orbicular and reniform stigmata; and the somewhat more pronounced discal spot on the hindwing; in the male genitalia, by the proportionally smaller sized tooth-like cornuti on the mid-lateral surface of the vesica; in the female genitalia, by the relatively wider, straighter and more sharp angled terminal twist of the appendix bursae; and in the male 8 th tergite, by the wider oval window.

Distribution. Manchurian-Pacific. The nominotypical subspecies is distributed in Northeast China, Russian Far East and Japan (Central Honshu).

NIAES

National Institute for Agro-Environmental Sciences

ZMUC

Zoological Museum, University of Copenhagen

ZISP

Zoological Institute, Russian Academy of Sciences

HNHM

Hungarian Natural History Museum (Termeszettudomanyi Muzeum)

NHMW

Naturhistorisches Museum, Wien

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Lepidoptera

Family

Noctuidae

Genus

Cranionycta

Loc

Cranionycta (Cranionycta) oda oda de Lattin, 1949

Kiss, Ádám 2025
2025
Loc

Cranionycta oda

de Lattin 1949
1949
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