Australian Biological Resources Study

Australian Faunal Directory

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Family RUTIDERMATIDAE Brady & Norman, 1896

Introduction

For all species described up to 1986, information on synonymy, distribution and biology is available in Cohen & Kornicker (1986). For all species described up to August 2009, information on classification, keys, tables of characters, illustrations and distributions are available in Harrison-Nelson et al. (2011).

 

Diagnosis

Carapace oval in lateral view, with male more elongate than female; surface punctate or smooth; ribbing present or absent, rostrum generally rounded, incisure sometimes minute, rostrum in male more prominent than in female; length 1 mm to 1. 75 mm. First antenna: ventral bristle on 5th segment of female limb either bare or with 2 short proximal filaments and bifurcate tip; ventral bristle on 5th segment of adult male limb, stout with numerous long filaments; d- and c-bristles of 8th segment bare, about same length; c-bristle of 7th segment and f-bristle of 8th segment on male long and with numerous short filaments. Second antenna: endopod in female 1- or 2-segmented, in male 3-segmented. Mandibula: endopod in female with opposing stout terminal chelae on 1st and 2nd segments; in male without opposing chelae; exopod in male well developed, reduced in female. Maxilla: limb short stout, with 3 segments; in males this limb reduced. Sixth limb: 4-segmented; terminal segment narrow without posteroventral extension, and with 6 to 8 bristles. Seventh limb: with 4 to 10 bristles; terminus with opposing combs, one comb on some species with fewer teeth than other. Rod-shaped organ: elongate, 1- or 2-segmented with rounded or pointed tip.

 

ID Keys

see Kornicker & Myers, 1981; Kornicker, 1983; Kornicker, 1992.

 

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)
28-Mar-2012 28-Mar-2012 MODIFIED
30-Mar-2010 MODIFIED