Machaerodes carinatus (Brendel)

Ferro, Michael L., Gimmel, Matthew L., Harms, Kyle E. & Carlton, Christopher E., 2012, Comparison of the Coleoptera communities in leaf litter and rotten wood in Great Smoky Mountains National Park, USA, Insecta Mundi 2012 (259), pp. 1-58 : 23

Machaerodes carinatus (Brendel) ( Fig. 50 )

Range: eastern North America : Pennsylvania to Georgia, west to Ohio. Habitat: pine, oak, rhododendron, and beech leaf litter. Collection Method: sifting/Berlese litter. Biology: unknown, members of this subfamily are predacious. Present Study: significantly higher abundance in leaf litter and primary forest, indifferent to season. References: Park 1953 ; Chandler 1990b, 1994; Downie and Arnett 1996; Newton et al. 2001.

Mipseltyrus nicolayi Park ( Fig. 51 )

Range: North Carolina, Tennessee. Habitat: deep leaf mold in rhododendron thickets. Collection Method: sifting/Berlese litter. Biology: unknown, wingless, members of this subfamily are predacious.

Present Study: significantly higher abundance in leaf litter, primary forest, and spring. References: Park 1953.

Figures

Figures 49–54. Habitus images. 49) Eutyphlus sp. (female) (Staphylinidae: Pselaphinae). 50) Machaerodes carinatus (Brendel) (Staphylinidae: Pselaphinae). 51) Mipseltyrus nicolayi Park (Staphylinidae: Pselaphinae). 52) Pseudactium arcuatum (LeConte) (Staphylinidae: Pselaphinae). 53) Rhexius schmitti Brendel (Staphylinidae: Pselaphinae). 54) Rhexius sp. (female) (Staphylinidae: Pselaphinae).