Cossonus simsoni Lea, 1911 (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.

TMAG collections

Typical length (mm): 8
Flightedness: winged and assumed capable of flight

Assumed larval feeding: wood-feeder
Association with dead wood or old trees: obligately saproxylic
Ecological attributes: — Affiliated with burnt tree-wounds (Harrison, 2007) — Affiliated with larger-diameter logs (Yee et al., 2006) — Affiliated with older trees (Harrison, 2007) — Associated with brown discoloured wood (Yee et al., 2006) — Associated with brown rot in inner heartwood (Wardlaw et al., 2009) — Associated with fibrous surface rot (Yee et al., 2006) — Associated with mudguts (Yee et al., 2006) — Associated with pale stringy rot (Harrison, 2007) — Associated with red-brown blocky muddy rock (Yee et al., 2001) — Associated with small pocket rot (Harrison, 2007) — May occupy logs or trunks of Eucalyptus obliqua, at least temporarily, since found having emerged within a year of felling (Grove & Bashford, 2003) — 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 — Hand collection (substrate not specified) — Knockdown spraying of bark of Eucalyptus obliqua — Pitfall trapping — Sticky trapping on Eucalyptus obliqua.

Source ecological literature:
Grove, S.J. & Bashford, R. (2003). Beetle assemblages from the Warra log decay project: insights from the first year of sampling. Tasforests 14: 117-129.

Hopkins, A.J.M. et al. (2005). Wood decay fungi and beetle assemblages associated with living Eucalyptus obliqua trees: early results from studies at the Warra LTER Site, Ta

Wardlaw, T.J. et al. (2009). The uniqueness of habitats in old eucalypts: contrasting wood-decay fungi and saproxylic beetles of young and old eucalypts.Tasforests 18: 19-32

Yee, M. et al. (2001). Not just waste wood: decaying logs as key habitats …: the ecology of large and small logs compared. Tasforests 13: 119-128.

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.

Yee, M. (2005). The ecology and habitat requirements of saproxylic beetles native to Tasmanian wet eucalypt forests: potential impacts of commercial forestry practices. PhD thesis, Univ. of Tasmania, Hobart.

Yee, M. et al. (2006). Brown rot in inner heartwood: why large logs support characteristic … beetle assemblages … In Grove, S.J. & Hanula, J.L. (eds.) Insect biodiv. and dead wood, pages 42-56. USDA For. Serv., SRS.