Numbers
nearctica.com lists 9 species in this genus
Size
body length of males 15-20 mm; females up to 35 mm
Identification
males of E. lautus reddish-brown with grooved elytra and feathery, 12-segmented pectinate (comb-like) antennae; females have very short elytra and lack flight wings, exposing most of the abdominal segments
Habitat
males are found under the bark of pine (Pinus spp.) and are attracted to light; the flightless females are found crawling over the ground
Food
not presently known whether larvae are predators of other bark insects or feed in rotting wood
Internet References
pinned adult image of male plus common name reference, description, habits (Torrey Pines State Reserve, California)
classification and distribution; PDF doc (Paul Johnson, 2003, South Dakota State U.)
Contributed by
Beatriz Moisset on 6 August, 2005 - 9:30am
Additional contributions by
Robin McLeodLast updated 26 January, 2008 - 12:18pm