Xylonichus nigrescens (a species of scarab-beetle)
Basis for Tasmanian occurrence
Semmens, T.D., McQuillan, P.B. & Hayhurst, G. (1992). Catalogue of the Insects of Tasmania. Government of Tasmania: Department of Primary Industry, 104 pp.
Classification
Order: Coleoptera
Suborder: Polyphaga
Superfamily: Scarabaeoidea
Family: Scarabaeidae
Subfamily: Melolonthinae
Tribe: Xylonychini
Morphology
Typical length (mm): 19
Flightedness: winged and assumed capable of flight
Ecology
Assumed larval feeding: root-feeder
Association with dead wood or old trees: not saproxylic
Collection method(s) for TMAG material: — Hand collection (substrate not specified).
