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Genus Distiana Metcalf, 1952


Compiler and date details

20 April 2011 - Murray J. Fletcher

 

Introduction

A monotypic genus endemic to Christmas Island. There are two species of Tongini on Christmas Island which can easily be differentiated by the shape of the tegmen.

 

Distribution

Other Regions

Christmas Island terrestrial & freshwater

Diagnosis

Vertex longer than broad, internally a little foveate, the margins ridged, the apical margin appearing prominent by the exposure of the base of face; face obliquely straightly widening towards clypeus, the disk strongly tricarinate, the central carination slender, straight, the sublateral carinations more robust and united at base; clypeus transversely ridged on basal area, beyond which it is centrally longitudinally ridged; pronotum short, anteriorly subconically produced between the eyes, the central disk subfoveately flattened; mesonotum with two oblique central carinations; tegmina laterally deflected, about one and a half times as long as broad, the apex roundly truncate, claval suture reaching apex of inner margin; legs moderate (Distant 1909).

 

History of changes

Note that this list may be incomplete for dates prior to September 2013.
Published As part of group Action Date Action Type Compiler(s)
04-May-2011 04-May-2011 MODIFIED
12-Feb-2010 (import)