Eur. J. Entomol. 101 (4): 629-636, 2004 | DOI: 10.14411/eje.2004.086

Descriptions of the egg case and larva of Anacaena and a review of the knowledge and relationships between larvae of Anacaenini (Coleoptera: Hydrophilidae: Hydrophilinae)

Miguel ARCHANGELSKY1, Martin FIKÁÈEK2
1 CONICET-LEA, Laboratorio de Ecología Acuática, Universidad Nacional de La Patagonia, San Juan Bosco, Sarmiento 849, 9200, Esquel, Chubut, Argentina; e-mail: hydrophilidae@hotmail.com
2 Department of Zoology, Faculty of Natural Sciences, Charles University, Vinièná 7, CZ-128 44 Praha 2, Czech Republic; e-mail: fikacek1@natur.cuni.cz

The third instar larva of Anacaena cordobana Knisch, and the egg case of Anacaena lutescens (Stephens) are described and illustrated. The taxonomic status of the immature stages of Anacaenini is clarified by comparing their morphology with that described in the literature. Larval descriptions of Anacaena and Paracymus published by Richmond (1920) are interchanged, as are the identifications of all subsequent authors based on Richmond's work. All Anacaenini genera for which larvae are known are diagnosed. A comparative morphological study of Anacaena larvae shows many similarities between Crenitis and Anacaena larvae, suggesting a close relationship between these two genera.

Keywords: Anacaena, Paracymus, Anacaenini, Hydrophilidae, Coleoptera, larva, egg case, Argentina, Neotropics

Received: January 29, 2004; Revised: May 10, 2004; Accepted: August 16, 2004; Published: December 20, 2004  Show citation

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ARCHANGELSKY, M., & FIKÁÈEK, M. (2004). Descriptions of the egg case and larva of Anacaena and a review of the knowledge and relationships between larvae of Anacaenini (Coleoptera: Hydrophilidae: Hydrophilinae). EJE, 101(4), 629-636. doi: 10.14411/eje.2004.086
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