Isopteron triviale (Erichson, 1842) (a species of darkling-beetle)

Semmens, T.D., McQuillan, P.B. & Hayhurst, G. (1992). Catalogue of the Insects of Tasmania. Government of Tasmania: Department of Primary Industry, 104 pp. (as Isopteron trivialis)

TMAG collections

Typical length (mm): 10
Flightedness: (not yet documented)

Source literature on morphology and taxonomy (*primary taxonomic source, where identified):
*Erichson, W.F. (1842). Beitrag zur Insecten-Fauna von Vandiemensland, mit besonderer Beruecksichtung der geographischen Verbreitung der Insecten. Nicolai’schen Buchhandlung 8(1): 379 pages.

Assumed larval feeding: wood-feeder
Association with dead wood or old trees: obligately saproxylic

Ecological attributes: — Found under large logs (Grove et al., 2006).

Collection method(s) for TMAG material: — Emergence trapping from cut billets of Eucalyptus obliqua (Harrison, 2007) — Hand collection (substrate not specified) — Hand collection from Acacia melanoxylon — Hand collection from Eucalyptus amygdalina — Hand collection from Eucalyptus nitens — Hand collection from Gahnia sp. — Hand collection from under bark (tree species not specified) — Hand collection from under bark of Eucalyptus delegatensis — Hand collection from under log of Eucalyptus sp. — Pitfall trapping.

Source ecological literature:
Grove, S.J. et al. (2006). What lives under large logs in Tasmanian eucalypt forest? Tas. Nat. 128: 86-93.
Grove, S.J. & Yaxley, B. (2005). Wildlife habitat strips and native forest ground-active beetle assemblages in plantation nodes in northeast Tasmania. Aust. J. Entom. 44 (4): 331-343.
Harrison, K.S. (2007). Saproxylic beetles associated with habitat features in Eucalyptus obliqua trees in the southern forests of Tasmania. PhD thesis, Dept. of Zoology, Univ. of Tasmania, Hobart.