Isarthrus rufipes (Melsheimer)

Ferro, Michael L., Gimmel, Matthew L., Harms, Kyle E. & Carlton, Christopher E., 2012, Comparison of Coleoptera emergent from various decay classes of downed coarse woody debris in Great Smoky Mountains National Park, USA, Insecta Mundi 2012 (260), pp. 1-8 : 26

Isarthrus rufipes (Melsheimer) ( Fig. 39 )

Range: northeastern North America, south to Georgia, west to Oklahoma. Habitat: emergent from badly decayed beech and caught running on beech. Collection Method: emergence, malaise trap.

Biology: overwinter as larvae. Present Study: significantly higher abundance in primary forest.

References: Dury 1888 (as Deltometopus rufipes (Melsheimer)) ; Knull 1947 (as Del. rufipes ); Downie and Arnett 1996 (as Dromaeolus rufipes (Melsheimer)) ; Muona 2000.

Figures

Figures 39–44. Habitus images. 39) Isarthrus rufipes (Melsheimer) (Eucnemidae). 40) Isorhipis obliqua (Say) (Eucnemidae). 41) Melasis pectinicornis Melsheimer (Eucnemidae). 42) Microrhagus subsinuatus LeConte (Eucnemidae). 43) Bacanius tantillus LeConte (Histeridae). 44) Agathidium sp. (female) (Leiodidae: Leiodinae).