Xanthocomus, Guillebeau, 1893

Gimmel, Matthew L., 2011, Review of the species described in Leptostilbus Casey in North America (Coleoptera: Phalacridae: Xanthocomus Guillebeau), Insecta Mundi 2011 (188), pp. 1-8 : 2

publication ID

https://doi.org/10.5281/zenodo.5161173

DOI

https://doi.org/10.5281/zenodo.5164891

persistent identifier

https://treatment.plazi.org/id/03CB6760-FFE1-FFAF-FF71-FA0240DC1AD8

treatment provided by

Felipe

scientific name

Xanthocomus
status

 

Key to North American species of Xanthocomus

1. Second and third elytral intervals with irregular row of punctures, interval punctures nearly the same size as strial punctures (best observed at about midpoint of length of elytra, Fig. 3 View Figures 1-4 ); male hind tibial spurs stout, directed away from tibial axis at a distinctly greater angle than inner hind tibial spines; parameres with only a median longitudinal suture, without median cleft ( Fig. 5 View Figures 5-8 ); apex of penis with median obtuse point ( Fig. 6 View Figures 5-8 ) ......................... X. rutilans (Casey)

— Second and third elytral intervals without row of punctures or with only faint traces of punctures ( Fig. 4 View Figures 1-4 ); male hind tibial spurs slender, directed away from tibial axis at same angle as inner hind tibial spines; parameres with wide median cleft ( Fig. 7 View Figures 5-8 ); apex of penis with median acuminate point ( Fig. 8 View Figures 5-8 ) ........................................................................................... X. concinnus (Casey)

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Phalacridae