Synonyms and other taxonomic changes
Trachyploeus bifoveolatus (Beck 1817)
Transfer to Romualdius
in 2009 (1)
, identity with Curculio scaber
Linnaeus confirmed in 2013 (2)
Explanation of Names
Romualdius scaber (Linnaeus, 1758)
Body densely covered with round, adpressed scales, that are grey to brown and do not form a conspicous pattern. A few short and apically dilated, erect bristles also present, but not influencing "smooth" look of the surface.
Rostrum with the antennal grooves visible in dorsal view as sublateral slits, dorsal surface of rostrum gently tapering anteriourly.
End of anteriour tibia rounded, lacking exteriour or apical spines, only stiff setae and interiour spur present.
native to Europe, adventive in NA(3)
and now rather widespread; transcontinental in Canada(4)
soil; spreads with dry ballast(3)
; recorded in houses in e. & w. US(5)
Plant detritus, does not feed much on living plants
flightless and parthenogenetic (females only)
earliest record in our area: NY 1917(3)