Note

Key to the Genera of Dhysorina

Ross T. Bell

The following key is based on characters of adult beetles.


1
. Basal impression (including discal striole) 0.55 to 0.95 of length of pronotum (Figure 1); eye relatively large, deeper than long.................................................2
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1'. Basal impression less than 0.25 of length of pronotum; eye reduced, longer than deep. ..........................Tangarona

2
(1). Prefrontal pits round or oval, separated by at least the diameter of one of them (Figure 2); pronotum with 1 or 0 marginal setae.......................................Dhysores
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2'. Prefrontal pits oblique, separated by less than half the width of one of them; pronotum with five marginal setae (Figure 3).........................................Neodhysores
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Images modified from:

Bell, R. T. and J. R. Bell. 1978. Rhysodini of the World part I. A new classification of the tribe, and a synopsis of Omoglymmius subgenus Nitiglymmius, new subgenus (Coleoptera: Carabidae or Rhysodidae). Quaestiones Entomologicae 14: 43-88.

Copyright © 1978, R. T. Bell and J. R. Bell.

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Ross T. Bell
University of Vermont, Burlington, Vermont, USA

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