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

description: Key to Species of Platyhydnobius   
 1 Head with a transverse groove at level of posterior margin of eyes; males with a tooth at apical one-third of posterior margin of mesofemur and of metafemur (Figs. 151, 152); larger species, length of pronotum + elytra about 4 mm.......................................................................................................................................................................... P. validus   
- Head without a transverse groove; all male femora without teeth; smaller species, length of pronotum + elytra less than 3.5 mm.................................................................................................................................................................. 2  
 2 Paramere apices broad, very thin, one-third of paramere length extends beyond apex of median lobe (Fig. 145); northern transcontinental and south to Arizona...................................................................................... P. arizonensis   
- Parameres shorter, one-third of length not extending beyond apex of median lobe (e.g. Figs. 157, 162); known to occur in Mexico and Honduras [females of these species can be reliably identified only by association with males]....................................................................................................................................................................................... 3  
 3 Median lobe of aedeagus apically truncate (Fig. 164)................................................................................. P. calvario   
- Median lobe of aedeagus apically narrow or lobed, not truncate............................................................................... 4  
 4 Median lobe of aedeagus abruptly narrowed to small apical lobe (Fig. 166)...................................... P. howdenorum   
 - Median lobe of aedeagus gradually narrowed apically............................................................................................... 5 5 Median lobe of aedeagus evenly rounded apically (Fig. 157); each paramere with a single large preapical seta dorsally (Fig. 157); body broadly ovate, ratio elytral length:width = 1:0.9; elytral bases with a narrow transverse yellow band........................................................................................................................................................... P. andersoni   
- Median lobe of aedeagus not evenly rounded apically; each paramere with 2 large preapical setae dorsally; body narrower, ratio elytral length:width = 1:0.8 or less; elytral coloration not as above........................................................ 6  
 6 Elytra yellowish with a broad black lateral border than does not reach the base, and a narrow black sutural border.. ........................................................................................................................................................................ P. bicolor    
- Elytra coloration not as above.................................................................................................................................... 7  
 7 Apex of median lobe narrow (Fig. 173). Mexico................................................................................. P. newtonorum   
 - Apex of median lobe broadly rounded (Fig. 169). Honduras......................................................................... P. latigra
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 51-52, DOI: 10.11646/zootaxa.2102.1.1, http://zenodo.org/record/5310884