Published December 15, 2010 | Version v1
Taxonomic treatment Open

Phaenostoma d'Orchymont 1937

  • 1. 1,2) &) &) Division of Entomology, Biodiversity Institute and Department of Ecology & Evolutionary Biology, University of Kansas, Lawrence, Kansas, KS 66045, USA; e-mails: GTG: gtgustafson @ gmail. com, AEZS: aezshort @ ku. edu & 1,2) &) Department of Biology, University of New Mexico, Albuquerque, NM 8713, USA
  • 2. 1,2) &) &) Division of Entomology, Biodiversity Institute and Department of Ecology & Evolutionary Biology, University of Kansas, Lawrence, Kansas, KS 66045, USA; e-mails: GTG: gtgustafson @ gmail. com, AEZS: aezshort @ ku. edu

Description

Key to the species of Phaenostoma d’Orchymont, 1937

1 Size greater than 2.8 mm. Elytral ground punctation not impressed in recessed ‘disc’ punctures (Fig. 1). Parameres wider, nearly parallel-sided in basal ¾, slightly curved inward apically (Figs. 2A, C, D). ................................................................................................ 2

– Size less than 2.4 mm. Elytral ground punctation impressed in recessed ‘disc’ punctures (Fig. 3). Parameres very narrow, arcuatelly bent inward from base to apex (Fig. 2B). ..... .............................................................................................................. P. kontax sp. nov.

2 Size generally larger (> 3.0 mm). Aedeagus with apex of parameres strongly sinuate (Fig. 4A). ...................................................................................... P. posticatum (Sharp, 1887)

– Size generally smaller (<3.0 mm). Aedeagus with apex of parameres slightly inwardly curved (Figs. 4 C–D). ..................................................................... P. stochasma sp. nov.

Notes

Published as part of Gustafson, Grey T. & Short, Andrew E. Z., 2010, Redescription of the Neotropical water scavenger beetle genus Phaenostoma (Coleoptera: Hydrophilidae) with description of two new species, pp. 459-469 in Acta Entomologica Musei Nationalis Pragae (suppl.) (suppl.) 50 (2) on page 468, DOI: 10.5281/zenodo.4468167

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Linked records

Additional details

Biodiversity

Scientific name authorship
d'Orchymont
Kingdom
Animalia
Phylum
Arthropoda
Order
Coleoptera
Family
Hydrophilidae
Genus
Phaenostoma
Taxon rank
genus
Taxonomic concept label
Phaenostoma d'Orchymont, 1937 sec. Gustafson & Short, 2010

References

  • d'ORCHYMONT A. 1937: Sphaeridiini bromeliadicoles nouveaux (Coleoptera: Hydrophilidae, Sphaeridiinae). Annals and Magazine of Natural History, Series 10 20: 127 - 140.
  • SHARP D. 1887: Insecta. Coleoptera. Vol. 1, part 2 (Haliplidae, Dytiscidae, Gyrinidae, Hydrophilidae, Heteroceridae, Parnidae, Georissidae, Cyathoceridae, Staphylinidae). In: GODMAN F. D. & SALVIN O. (eds.): Biologia Centrali-Americana. Vol. 16. Taylor and Francis, London, xv + 824 pp.