Davidlivingstonia Yakovlev, 2020

Yakovlev, Roman V., 2020, On the taxonomy of Zeuzera boisduvalii Herrich-Schäffer, 1854 (Cossidae, Zeuzerinae) species complex with description of a new genus and three new species, Ecologica Montenegrina 38, pp. 215-226 : 216-217

publication ID

https://doi.org/ 10.37828/em.2020.38.31

publication LSID

urn:lsid:zoobank.org:pub:B0D7676D-1A36-4BBF-B8D8-531B0519D96B

persistent identifier

https://treatment.plazi.org/id/03EF620F-4D3B-4E3E-8813-A8E131F079ED

taxon LSID

lsid:zoobank.org:act:03EF620F-4D3B-4E3E-8813-A8E131F079ED

treatment provided by

Felipe

scientific name

Davidlivingstonia Yakovlev
status

gen. nov.

Davidlivingstonia Yakovlev gen. nov.

Figs 1−23 View Figures 1−6 View Figures 7−15 View Figures 16−21 View Figures 22−24

Type species (designated there) Zeuzera boisduvalii Herrich-Schäffer, 1854

Description. Male. Moths of medium size. Basal half of male antenna bipectinate (rami three to five times longer than antenna rod diameter), distal half serrate (rami very short, as long as antenna rod diameter). Forewing elongated, ground colour pale creamy, wingpattern consisting of brown spots and short dashes throughout the wing surface. Hindwing short, light, without pattern.

Male genitalia. Uncus triangular, apically pointed; gnathos absent; valvae simple, relatively long margins smooth, apex rounded; juxta scaphoid, with a pair of short leaf-like posterio-lateral processes; saccus long (at least as long as half of valva length), apically tapering; phallus thin, long, with wide flat basal section, vesica aperture in dorso-apical position, about 1/3 as long as phallus length, vesica without cornuti.

Female. In wingspan 1.2−1.3 times larger than males. Basal half of antenna bipectinate (rami short, 1.5−2 times longer than antenna rod diameter), distal half serrate (rami very short, as long as antenna rod diameter). Wingpattern as in males.

Female genitalia. Ovipositor short, thick; papillae anales conical, with ribbed notches on lateral surfaces; apophyses anteriores and posteriores long, equal in llength; antrum cup-like, short, poorly immersed; ductus bursae relatively short, narrow; corpus bursae small, sack-like, with small star-shaped signum bursae on lateral surface; thin ductus with small bag-like bulla seminalis projecting from lateral surface of corpus bursae.

Diagnosis. Externally, the new genus is reminiscent of the widespread Palaeotropical genus Azygophleps Hampson, 1892 (type species: Hepialis scalaris Fabricius, 1775 ), though it clearly differs from it and from the Afrotropical representatives of Zeuzerinae ( Sinjaeviella Yakovlev, 2009 (type species: Sinjaeviella elegantissima Yakovlev, 2009 ), Strigocossus Houlbert, 1916 (type species: Strigocossus leucopteris Houlbert, 1916 ), Acosma Yakovlev, 2011 (type species: Acosma gurkoi Yakovlev, 2011 ), Aethalopteryx Schoorl, 1990 (type species: Phragmatoecia atrireta Hampson, 1910 ), Alophonotus Schoorl, 1990 (type species: Chalcidica (Duomitus) rauana Strand, 1909 ), Tarsozeuzera Schoorl, 1990 (type species: Zeuzera kochi Semper, 1896 ), Paralophonotus Schoorl, 1990 (type species: Zeuzera auroguttata Herrich-Schäffer, [1854] ), Pseudozeuzera Schoorl, 1990 (type species: Duomitus biatra Hampson, 1910 ), Oreocossus Aurivillius, 1910 (type species: Duomitus kilimanjarensis Holland, 1892), and Eburgemellus Schoorl, 1990 (type species: Xyleutes geminatus Gaede, 1930 )) by the fundamentally different configuration of the phallus. In all aforementioned genera, the vesica has a large finger-like cornutus. According to the phallus structure and in the very simple configuration of the male genitalia, the new genus is more closely related to the genera: Phragmataecia Newman, 1850 (type species: Noctua arundinis Hübner, 1808 ), Zeuzeropecten Gaede, 1930 (type species: Zeuzeropecten lactescens Gaede, 1930 ), and Wittoecia Yakovlev, 2020 (type species: Azygophleps brehmi Yakovlev & Witt, 2016 ). From the species of the genus Phragmataecia Newman, 1850 it differs by the robust, long saccus. Its closest relatives are the Ethiopian Wittoecia Yakovlev, 2020 and Zeuzeropecten Gaede, 1930 distributed in Madagascar and in eastern Africa, from those it differs in the very short lateral processes of the juxta, the gradually tapering saccus, the fundamentally different wingpattern (fine spots and dashes on the forewing) and the external feature (the narrow and long forewing). Comparison of the females of the new genus and the genera Wittoecia and Zeuzeropecten were not carried out in this paper as the females of the latter genera are unknown.

Etymology. The Genus is named after David Livingstone (1813−1873) an explorer in Africa, and one of the most popular British heroes of the late 19th-century Victorian era.

Species content. The new genus includes four species: D. boisduvalii (Herrich-Schäffer, 1854) , comb. nov., D. staudei Yakovlev spec. nov., D. prozorovi Yakovlev spec. nov. and D. lenzi Yakovlev spec. nov.

Distribution. The genus is widely distributed in the sub-Saharan Africa from Senegal to Cameroon in the west and from South Sudan to Zimbabwe and Mozambique in the east.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Lepidoptera

Family

Cossidae

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