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. 2020 May 21:935:93-101.
doi: 10.3897/zookeys.935.49957. eCollection 2020.

A new genus of Languriinae from Mexico (Coleoptera, Erotylidae), with comments on the potential mimic phenomenon of some languriines

Zheng-Zhong Huang  1 , Xing-Ke Yang  1 , Si-Qin Ge  1
Affiliations

A new genus of Languriinae from Mexico (Coleoptera, Erotylidae), with comments on the potential mimic phenomenon of some languriines

Zheng-Zhong Huang et al. Zookeys. .

Abstract

A new genus of Languriinae, Tomolanguria Huang, gen. nov. is erected for a single species, Languria aculeata Gorham, 1887 from Mexico. It is similar to the Neotropical genus Languria Latreille, 1802. The differential diagnosis of this new genus is based on the structural features of the elytral apices and slight impressions present on each elytron. Languria aculeata is designated as the type species of the new genus. This species is redescribed and illustrated (all the three specimens examined are shown in the dorsal, ventral, and lateral views). Finally, a mimic relationship between this new genus and genus Paederus Fabricius, 1775 (Staphylinidae) is discussed.

Keywords: Cucujoidea; Tomolanguria; Neotropical Region; new combination.

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Figures

Figure 1.
Figure 1.
Tomolanguria aculeata (Gorham, 1887), comb. nov. A–D lectotype of T. aculeata: A dorsal habitus B ventral habitus C lateral view D labels E–H paralectotype of T. aculeata: E dorsal habitus F ventral habitus G lateral view H labels I–L second paralectotype of T. aculeata: I dorsal habitus J ventral habitus K lateral view L labels. Scale bars: 2mm.
Figure 2.
Figure 2.
Comparison between Paederolanguria holdhausi Mader, 1939 and Tomolanguria aculeata (Gorham, 1887), comb. nov. A Holotype of Paederolanguria holdhausi Mader, 1939 BP. holdhausi, prosternum and mesoventrite with punctures, non-type CT. aculeata, prosternum and mesoventrite without punctures, paralectotype DP. holdhausi, abdomen, non-type ET. aculeata comb. nov., abdomen, paralectotype F lateral view of T. aculeata, black arrows show the depressions on the elytron, paralectotype G later view of body of P. holdhausi, black arrow shows the prosternal process nearly straight, non-type H same of T. aculeata, black arrow shows the prosternal process downwards, paralectotype IP. holdhausi, apex of the elytra, non-type JT. aculeata comb. nov., apex of elytra, paralectotype. Scale bars: 1 mm (A–C, I, J); 2 mm (D–H).
Figure 3.
Figure 3.
Body of species from different genera of Languriinae that may imitate genus Paederus. AAnadastus ornatus Arrow, 1925, syntype BA. pulchellus Arrow,1925, holotype CA. jucundus (Gorham, 1903), syntype, synonym of A. bifasciatus (Motschulsky, 1860) DClerolanguria tricolor (Fabricius, 1787), syntype EPaederolanguria alternata (Zia, 1959), holotype FP. klapperichi Mader, 1955, holotype GStenolanguria tricolor Fowler, 1885, syntype HS. robusta Villiers, 1958, holotype. Scale bar: 2 mm (A–D, H); 1 mm (E, F); 5 mm (G).
Figure 4.
Figure 4.
Comparison between Paederus signaticornis Sharp, 1886 and Tomolanguria aculeata (Gorham, 1887), com. nov. A habitus of P. signaticornis (from Sharp 1886: pl. XVI, fig. 4) B habitus of T. aculeata comb. nov. Scale bars: 2 mm.
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References

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