The annual life history of a population of the aquatic Coleopteran Derallus angustus (Coleoptera: Hydrophilidae)

Fernández, Liliana Alicia

dc.creator	Fernández, Liliana Alicia
dc.date	2006-07-17
dc.date.accessioned	2016-05-03T15:26:24Z
dc.date.available	2016-05-03T15:26:24Z
dc.identifier	http://revistas.ucr.ac.cr/index.php/rbt/article/view/5529
dc.identifier	10.15517/rbt.v56i1.5529
dc.identifier.uri	https://hdl.handle.net/10669/25873
dc.description	Derallus Sharp, 1882 is a Neotropical genus of aquatic coleopterans that belongs in the tribe Berosini and includes 15 species. D. angustus Sharp is widely distributed from Guatemala to Argentina. The population dynamics of this species was studied by periodic sampling of a natural population from the southernmost Subtropical Domain of the Neotropical Region. The study site was near Punta Lara (34°47' S, 58°01' W; Ensenada, Buenos Aires province, Argentina). Twenty seven samples consisting of 20 units of aquatic vegetation (200 cm² each) were taken during one year. Larvae and adults were removed from the vegetation and counted (pupae were not studied). There was a peak of first instar larvae abundance at the end of spring, and another at the end of summer. Adults and third instar larvae were present throughout the whole year. The population is interpreted as being univoltine and including two periods of enhanced reproductive activity.	en-US
dc.format	application/pdf
dc.language	eng
dc.publisher	Universidad de Costa Rica	en-US
dc.rights	Copyright (c) 2014 International Journal of Tropical Biology and Conservation	en-US
dc.source	Revista de Biología Tropical/International Journal of Tropical Biology and Conservation; Vol. 56 (1) March 2008	en-US
dc.source	Revista de Biología Tropical/International Journal of Tropical Biology and Conservation; Vol. 56 (1) March 2008	es-ES
dc.source	Revista Biología Tropical; Vol. 56 (1) March 2008	pt-PT
dc.source	2215-2075
dc.source	0034-7744
dc.source	10.15517/rbt.v56i1
dc.title	The annual life history of a population of the aquatic Coleopteran Derallus angustus (Coleoptera: Hydrophilidae)	en-US
dc.title	The annual life history of a population of the aquatic Coleopteran Derallus angustus (Coleoptera: Hydrophilidae)	es-ES
dc.type	artículo original
dc.coverage	CRC	en-US

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