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Genus Hydrophilus - New World |
Coleoptera - Hydrophilidae |
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By Arved Lompe (after Short & McIntosh and others) If you find any errors or omissions please mail me at mailbox@lompe.de |
References => |
#1 |
Abdomen with glabrous region limited to the medial line of ventrites 3-5 [fig.1]. Prosternum divided into lateral halves for the reception of the anterior portion of the sternal keel. Dorsal surface sometimes appearing greenish. Subgenus ...Dibolocelus |
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Abdomen with glabrous region not limited to medial line of ventrites 3-5. Prosternum strongly emarginated posteriorly bul not divided into lateral halves. Dorsal surface never appearing greenish. Hydrophilus s.str. ...2 |
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#2 |
Habitus [fig.2]. Specimens usually smaller (<32 mm). Collectively, the glabrous regions of ventrites 2-5 from a distinctive "kite" shaped glabrous region [fig.3]. Aedoeagus [fig.4]. Widespread from Mexico to Argentina, but not yet known from the Nearctic region. ...ensifer Brullé, 1837 |
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Specimens usually larger (>34 mm). Abdominal pubescence broad, nol forming a "kite" shaped glabrous region on ventrites 2-5. ...3 |
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#3 |
Habitus [fig.5]. Antenna! cupule with little to moderate elongation ca. l.2-2x as long as wide. Abdominal glabrous region as in [fig.6]. Fifth protarsomere of the male expanded [fig.7], but with a distinctly obtuse angle. Aedoeagus [fig.8]. Continental United States, southern half of Canada, and northern Mexico. ...triangularis Say, 1823 |
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Habitus [fig.9]. Antennal cupule greatly elongated ca. three times as long as wide. Abdominal glabrous region as in [fig.10]. Fifth protarsornere in males greatly expanded [fig.11], the plate exhibiting a nearly right angle. Aedoeagus [fig.12]. Arizona, California, Texas, and Florida in the United States, Mexico, Central America, West Indies, and northern South America. ...insularis Castelnau, 1840 |
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ensifer insularis |
triangularis Dibolocelus |
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Bachmann, A.O. (1964): El genero Dibolocelus in Argentina (Coleoptera, Hydrophilidae - Revista de la Sociedad Entomológica Argentina 27:65-72 Private Datei: F:\taxa\coleo\scans\_Neue Welt\Bachmann1964 Dibolocelus Argentinien.pdf Arce-Pérez, R. & Morón, M. (2013): El género Hydrophilus (Coleoptera: Hydrophilidae: Hydrophilina) en México y Centroamérica - Revista Mexicana de Biodiversidad 84: 140-152 Private Datei: F:\TAXA\coleo\Scans\_Neue Welt\Arce-Perez&Moron2013 Hydrophilus Zentralamerika.pdf |
Short, A:E:Z & McIntosh IV, C.E. (2014): Review of the Giant Water Scavenger Beetle Genus Hydrophilus Geoffroy (Coleoptera: Hydrophilidae) of the United States and Canada - The Coleopterists Bulletin 68(2): 137-198 Private Datei: F:\TAXA\coleo\Scans\_Neue Welt\Short&McIntosh2014 Hydrophilus NA Key.pdf |
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 First prepared: 25.02.2022 Latest edit: 26.02.2022 - 00:52:56 Version: 4.2.2 by: Arved Lompe Vorherige Version |
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