Exocelina erteldi
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Ordo: Coleoptera
Familia: Dytiscidae
Genus: Exocelina
Name
Exocelina erteldi (Balke, 1998) – Wikispecies link – Pensoft Profile
- Copelatus (Papuadytes) erteldi Balke, 1998: 330; Nilsson 2001[1]: 76 (catalogue).
- Papuadytes erteldi (Balke, 1998): Nilsson and Fery 2006[2]: 56 (comb. nov.).
- Exocelina erteldi (Balke, 1998): Nilsson 2007[3]: 33 (comb. nov.).
Type locality
Indonesia: Papua Province: Pegunungan Bintang Regency, Borme, ca. 04°24'S, 140°25'E, 1200 m a.s.l.
Type material studied
Holotype: male “IRIAN JAYA Zentralmassive 140°25'E 04°24'S”, “14./17.8.1992 Borme, 1900m leg. Balke (11)”, “Copelatuserteldi Balke des. 1997” [red], “HOLOTYPUS” [red] (NHMW). Paratypes: 1 female with the same label as the holotype and additionally with a red label “Paratypus Copelatuserteldi Balke des. 1997” (NHMW). 54 males, 35 females “IRIAN JAYA Zentralmassive 140°25'E 04°24'S”, “Borme, 1800m 16.8.1992 leg. Balke (12, 12 A)”, one of the males with two additional labels “M.Balke 3273” [green] and “M.Balke 6404 DNA” [green text], another male with an additional green label “M.Balke 3273” (CGW, NHMW). Note: in the original description (Balke 1998[4]), number of specimens of the locality (12, 12 A) is erroneously given as “43 males, 46 females”. 1 female “12./18.8.1992 Borme, 100m leg. Balke (7)”, “Paratypus Copelatuserteldi Balke des. 1997”, this paratyte does not belong to species of E. erteldi but to E. bifidaShaverdo et al. 2012[5].
Additional material
1 male “IRIAN JAYA Zentralmassive 140°25'E 04°24'S”, “Borme, 1800m 16.8.1992 leg. Balke (12, 12 A)”, “Paratypus Copelatusfume Balke des. 1997” [red] (NHMW).
Diagnosis
For complete description, see Balke (1998[4]: 330). Beetle small (TL-H 3.45–3.75 mm), oblong-oval; brown to piceous, usually with paler pronotal sides; dorsally more or less shiny, with fine but conspicuous punctation and weakly impressed microreticulation; pronotum with distinct lateral bead (Fig. 14); male protarsomere 4 with anterolateral seta thin, weakly curved, smaller than more laterally situated large seta; male protarsomere 5 ventrally with anterior band of ca. 70 and posterior row of 6 relatively long setae (Fig. 20D); median lobe in lateral view evenly attenuated to elongate, thin apex, which slightly pointed in ventral view; paramere slightly concave on dorsal side and with distinct, long, dense, uniform setae, situated along dorsal margin (Fig. 20A–C).
Affinities
The species can be distinguished from the species co-occurring in the same area (E. ascendens, E. aipomek, E. takime, the E. ekari group: E. eme Shaverdo and E. bifida, the E. danae group: E. damantiensis and E. danae, the E. okbapensis group: E. ketembang, E. talaki, and E. okbapensis, and all species of the E. aipo group) by body size and colouration, presence of pronotal bead, fine but conspicuous dorsal punctation, and shape and setation of its median lobe, paramere, and male protarsomere 4. For the affinities within the group, see the “Key”.
Distribution
Indonesia: Papua Province: Pegunungan Bintang Regency, Borme (Fig. 25). The species is known only from the type material.
Taxon Treatment
- Shaverdo, H; Surbakti, S; Warikar, E; Sagata, K; Balke, M; 2019: Nine new species groups, 15 new species, and one new subspecies of New Guinea diving beetles of the genus Exocelina Broun, 1886 (Coleoptera, Dytiscidae, Copelatinae) ZooKeys, 878: 73-143. doi
Images
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Other References
- ↑ Nilsson A (2001) Dytiscidae. World catalogue of insects. Vol. 3. Stenstrup, Apollo Books, 1–395.
- ↑ Nilsson A, Fery H (2006) World Catalogue of Dytiscidae – corrections and additions, 3 (Coleoptera: Dytiscidae).Koleopterologische Rundschau76: 55–74.
- ↑ Nilsson A (2007) Exocelina Broun, 1886, is the valid name of Papuadytes Balke, 1998.Latissimus23: 33–34.
- ↑ 4.0 4.1 Balke M (1998) Revision of New Guinea Copelatus Erichson, 1832 (Insecta: Coleoptera: Dytiscidae): The running water species, Part I. Annalen des Naturhistorischen Museum Wien 100B: 301–341.
- ↑ Shaverdo H, Surbakti S, Hendrich L, Balke M (2012) Introduction of the Exocelina ekari-group with descriptions of 22 new species from New Guinea (Coleoptera, Dytiscidae, Copelatinae).ZooKeys250: 1–76. https://doi.org/10.3897/zookeys.250.3715
