Taxonomic revision of the native bee subgenus Parasphecodes Smith 1853 in Australia (Hymenoptera: Halictidae: Halictini: Lasioglossum Curtis 1833).

The Australian Lasioglossum Curtis 1833 subgenus Parasphecodes Smith 1853 is revised. Currently, Parasphecodes has 92 named, described species. The monotypic Lasioglossum subgenus Pseudochilalictus Michener 1965 is synonymised with Parasphecodes and its species, L.

Systematics of the Monomorium rothsteini Forel species complex (Hymenoptera: Formicidae), a problematic ant group in Australia.

A recent molecular, morphological and distributional analysis of Monomorium rothsteini demonstrated that it comprises many separately evolving lineages that could be recognised morphologically and/or genetically based on mitochondrial DNA sequences. Based on these results M. rothsteini is revised, resulting in four species being brought out of synonymy (M.