Numbers
3 spp. in our area + ~50 spp. worldwide
(1)Identification
B. testaceus and
rufescens are inverted in D. & A., and Campbell (1993)
(2) should be the work relied on
Separated from other Mycetoporini by:
- Apex of meso and meta-tibia with spines forming a straight row (also present in Ischnosoma) rather than uneven in other genera
- Elytra with more or less 6 irregular row of discal punctures (1 in Ischnosoma)
- Maxillary palpus with apical segment conical and almost as wide as precedent (less than 1/2 precedent in Ischnosoma)
Simplified NA species of
(2):
1. Elytra punctures subequal in size, mostly all setiferous and arranged in rather regular rows. Lateral carina posteriorly
close to the lateral row of punctures .....................................................................................2
1' Elytra punctures irregular in size, small punctures not setiferous. Lateral carina posteriorly
diverging from lateral row of punctures .............................................
Bryoporus testaceus
2. Body piceous to rufo-brunneous, elytra lacking metallic sheen. 3.2 to 7.8 mm. Widespread ....
Bryoporus rufescens
2' Body black, elytra with distinct metallic sheen. 7 to 9 mm. SW USA................... Bryoporus niger
Range
2 spp. widespread over the US & so. Canada + 1 sw. sp. (AZ & NM); other spp. occur across the tropical and warm temperate regions of the world
(1)Habitat
forest litter and damp debris, esp. near water