Xylosandrus germanus (Blandford)

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 : 24

Xylosandrus germanus (Blandford) ( Fig. 32 )

Range: northeastern United States, west to Illinois, south to Tennessee. Habitat: inhabits unthrifty branches, boles, and stumps of a wide variety of hosts. Collection Method: emergence, traps. Biology: introduced species from Asia, generally attacks injured or dying trees, but will attack seemingly healthy trees as well, Hoffmann (1941) provides data on life history within the United States. Present Study: significantly higher abundance in FWD1 and primary forest. References: Hoffmann 1941; Wood 1982; Downie and Arnett 1996; Peck and Thomas 1998; Rabaglia 2003; Majka et al. 2011.

Xyloterinus politus (Say) ( Fig. 33 )

Range: eastern North America, south to Florida, west to Minnesota. Habitat: numerous hardwoods including maple, hickory, beech, oak, elm, occasionally pine. Collection Method: emergence, traps.

Biology: monogamous. Present Study: significantly higher abundance in CWD1 and primary forest.

References: Wood 1982; Downie and Arnett 1996; Anderson 2002; Majka et al. 2011.

Figures

Figures 27–32. Habitus images. 27) Apteromechus ferratus (Say) (Curculionidae: Cryptorhynchinae). 28) Cophes fallax (LeConte) (Curculionidae: Cryptorhynchinae). 29) Dryophthorus americanus (Bedel) (Curculionidae: Dryophthorinae). 30) Xyleborus atratus Eichhoff (Curculionidae: Scolytinae). 31) Xylosandrus crassiusculus (Motschulsky) (Curculionidae: Scolytinae). 32) Xylosandrus germanus (Blandford) (Curculionidae: Scolytinae).

Figures 33–38. Habitus images. 33) Xyloterinus politus (Say) (Curculionidae: Scolytinae). 34) Ampedus areolatus (Say) (Elateridae). 35) Ampedus luteolus (LeConte) (Elateridae). 36) Ampedus semicinctus (Randall) (Elateridae). 37) Bystus ulkei (Crotch) (Endomychidae). 38) Tohlezkus inexpectus Vit (Eucinetidae).