File:The Australian zoologist (1954) (20324450066).jpg

Title: The Australian zoologist
Identifier: australianzoolog12195roya (find matches)
Year: 1914 (1910s)
Authors: Royal Zoological Society of New South Wales; Royal Zoological Society of New South Wales. Proceedings
Subjects: Zoology; Zoology; Zoology
Publisher: (Sydney, Royal Zoological Society of New South Wales)
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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178 NOMIA AUSTRALICA COMPLEX Prothorax small and closely adapted to the mesothorax, which carries few specific characters apart from the vestiture and sculpture of the integu- ment; tegulae large, and the postscutellum of certain nomiine bees bears a long bifid process, or even a pair of spines, and those species may be referred to the subgenus Hoplonomia Ashmead. The metathorax is shorter than Halictus, and has a number of coarse rugae much shorter than Halictus. The abdomen is rarely clavate, and apart from the sculpture of the integument and faciae, possesses few specific characters in females, but the apical sterna of males are often of such remarkable structure as almost to defeat intelligible description. The abdominal faciae show considerable variation in number and colour. In Croydon, Victoria, specimens (identified by Prof. Cockerell as typical) the bands are bright ferruginious, and three in number. Meningie, S.A., females have two only of golden colour; Katherine, N.T., three of pale-straw colour; Gunbower, Victoria, has a scanty white fringe on segments one and two; three, four and five with straw-colour faciae; Gorae, Victoria, has three faciae of golden-yellow with much white hair laterally, which extends to the bands on segments one and two; type of subsp. regis has the white abdominal faciae slightly tinted with yellow. The legs are usually stout in females, and bear dense scopae on the posterior trochanters, femora, tibiae and tarsi; the posterior femora and tibiae of the males are often crassate and angulated, and so form good specific characters. The form of the strigilis of the anterior leg is of generic, but not specific value the subquadrate velum being large and developed to an acute angle apically; the malus has a number of coarse teeth; the posterior calcar, too, has several coarse serrations, which are not so large as those of Halictus. The scutellar sutures on Clyde bees are quite nude, but on others there is a line of white hair extending as two maculae onto the mesothorax, with the postscutellum entirely covered; on certain others the postscutellum has yellow hair.
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Fig. 1: Sketch Plan of Locality of nomiine colony at Clyde, Victoria.

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