Ohakunea australiensis COLLESS , 1963

Jaschhof, Mathias & Jaschhof, Catrin, 2008, The Ohakunea group in Tasmania, with description of Colonomyia tasmanica sp. n. (Diptera: Sciaroidea), Beiträge Zur Entomologie = Contributions to Entomology 58 (2), pp. 441-453 : 443

Ohakunea australiensis COLLESS, 1963

COLLESS 1963: 304, JASCHHOF & HIPPA 2003: 29.

Intraspecific variation:

The antennae are longer in specimens from Tasmania than in those from the Australian mainland, in the male more so than in the female. Male fourth flagellomeres, described to be 5.5 times as long as wide for mainland specimens ( JASCHHOF & HIPPA 2003), are up to 7 times so in Tasmanian specimens.

Distribution and phenology:

This species is indigenous to Australia and was introduced to New Zealand. In Australia its mainland distribution is confined to the southeasternmost Queensland (unpublished data), New South Wales, and Victoria. In Tasmania it occurs as sparsely as elsewhere in its distributional range. At Warra eight different Malaise samples yielded each one specimen, altogether six males and two females. Findings are from January to April and October, all from an altitude of 100 m a.s.l., and from both unmanaged and treated forest areas .

Material studied (on slide):

Tasmania: 2 males, Warra LTER Site, Manuka Road, 13 Oct. 2002 , R. BASHFORD; 1 female, same site but 20 April 2004; 1 male, 1 female, same site but 1 March 2005; 1 male, same site but 1 April 2005.

Further material (in ethanol):

Tasmania: 1 male, Warra LTER Site, Manuka Road, 24 March 2000 , R. BASHFORD; 1 male, same site but 22 Jan. 2002.