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1 September 2010 Instar Determination of the Neotropical Beetle Oxelytrum discicolle (Coleoptera: Silphidae)
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Abstract

The carrion beetle Oxelytrum discicolle (Brullé, 1840) has forensic importance in the Neotropical region. The age of their larvae can provide important information to estimate the minimum postmortem interval of the corpse. This study was designed to determine the larval stages of this species, using three morphological measurements, as follows: distance between dorsal stemmata, pronotal width, and total body length. Three instars were identified. Distance between dorsal stemmata and pronotal width were good discriminating variables to determine instars, whereas total length was widely variable. For each instar, intervals of three morphological measures are given.

© 2010 Entomological Society of America
Yelitza Velásquez and Ángel L. Viloria "Instar Determination of the Neotropical Beetle Oxelytrum discicolle (Coleoptera: Silphidae)," Journal of Medical Entomology 47(5), 723-726, (1 September 2010). https://doi.org/10.1603/ME09058
Received: 28 February 2009; Accepted: 1 February 2010; Published: 1 September 2010
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