Sogdini Lopatin 1961
Creators: name: Peck, Stewart B.
name: Cook, Joyce
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Leiodidae

description: Key to North American genera of Sogdini  1 Antennal club 3-segmented (Figs. 8, 62)...................................................................................................................... 2  
- Antennal club interrupted 5-segmented (e.g. Figs. 15, 37).......................................................................................... 3  
 2 Metafemur slender, metatibia not widened apically (Fig. 10); clypeus sexually dimorphic, deeply concave in male; habitus as Fig. 1........................................................................................................................................... Triarthron   
 - Metafemur robust, metatibia widened apically (Fig. 64); clypeus weakly concave in both sexes; habitus as Fig. 3............................................................................................................................................................................... Stereus   
 3 Large species, length of pronotum + elytra usually more than 4 mm; pronotum with sub-basal transverse impression or row of punctures; head ventrally without a suture separating gula from submentum; habitus as Fig. 6.................. ........................................................................................................................................................... Macrohydnobius    
- Small species, length of pronotum + elytra usually less than 4 mm; pronotum without a sub-basal transverse impression or row of punctures; head ventrally with a suture separating gula from submentum......................................... 4  
 4 Head with microsculpture of fine, irregular lines; labrum not emarginate; pronotum minutely punctate; habitus as Fig. 5..................................................................................................................................................... Kalohydnobius   
- Head without microsculpture of fine, irregular lines; labrum emarginate; pronotal punctation fine to coarse........... 5  
 5 Male metafemur usually without tooth or strong serrations on posterior margin (if tooth present on metafemur, mesofemur also has tooth on posterior margin) (Figs. 151, 152); male with parameres longer than median lobe, and with large setae on dorsal surface before apex (e.g. Figs. 145, 153); habitus as Fig. 7....................... Platyhydnobius   
- Male metafemur with tooth or strong serrations on posterior margin (e.g. Figs. 17, 71); mesofemur never with tooth; male with parameres shorter than median lobe, and without large setae dorsally before apex (e.g. Figs. 18, 72)....... 6  
 6 Apices of both mandibles entire (Fig. 70); eyes prominent; habitus as Fig. 4................................................... Sogda   
 - Apex of right mandible bidentate (e.g. Fig.16); eyes not prominent; habitus as Fig. 2.............................. Hydnobius
description: Published as part of Peck, Stewart B. & Cook, Joyce, 2009, Review of the Sogdini of North and Central America (Coleoptera: Leiodidae: Leiodinae) with descriptions of fourteen new species and three new genera, pp. 1-74 in Zootaxa 2102 (1) on pages 7-8, DOI: 10.11646/zootaxa.2102.1.1, http://zenodo.org/record/5310884