What is "plesioglymmius"

Plesioglymmius is a genus of beetles in the family Carabidae, containing the following species:

• Plesioglymmius compactus R.T. & J.R. Bell, 1979
• Plesioglymmius elegans (Grouvelle, 1903)
• Plesioglymmius jugatus R.T. & J.R. Bell, 1979
• Plesioglymmius meridionalis (Grouvelle, 1903)
• Plesioglymmius moorei R.T. & J.R. Bell, 1987
• Plesioglymmius negara R.T. & J.R. Bell, 2000
• Plesioglymmius reichardti R.T. & J.R. Bell, 1979
• Plesioglymmius silus R.T. & J.R. Bell, 1979
• Plesioglymmius zayasi R.T. & J.R. Bell, 2009