Exithius trisinuatus Lea, 1913 (a species of weevil)

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 Exithius trisinuatus)

TMAG collections

Typical length (mm): 4.5
Flightedness: (not yet documented)

Source literature on morphology and taxonomy (*primary taxonomic source, where identified):
Lea, A.M. (1913a). Descriptions of Australian Curculionidae, with notes on previously described species. Part X1. Trans. Roy. Soc. S. Aust. 37: 301-445.

Assumed larval feeding: wood-feeder
Association with dead wood or old trees: obligately saproxylic
Ecological attributes: — May occupy logs or trunks of Eucalyptus obliqua, at least temporarily, since found having emerged within six years of felling (Grove et al., 2009).

Collection method(s) for TMAG material: — Emergence trapping from cut billets of Eucalyptus obliqua (Harrison, 2007) — Emergence trapping from log of Eucalyptus obliqua — Pitfall trapping.

Source ecological literature:
Grove, S. et al. (2009). A long-term experimental study of saproxylic beetle … succession in Tasmanian Eucalyptus … logs… In: Fattorini, S. (Ed.), Insect Ecology and Conservation. Research Signpost, pp. 71-114.

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.