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Laphriini

Hardy (1929c) produced a key to the species within Australia within the Laphriini and four years later he characterized the tribe as follows:

 

“The antennse have only three segments at the apex, of which there is usually a minute spine, often obscure. The metasternum is well separated from the intermediate coxa and the metanotum is bare. The abdomen on the male has only six segments visible in the Australian species examined in many cases, but the seventh may be quite visible or even exserted to the normal amount. The two upper branches of the radial vein meet before the wing-margin, likewise also the third and fourth median veins and the anal and cubital veins. The first median vein in some cases meets the fifth radial, but this may vary within a species. The interradial cross-vein is usually absent, but two males before me have it present. The ovipositor is not always easily seen, but on two forms dissected-one a tree-frequenting species-has a compressed conical form, whilst the ground-frequenting species has a depressed form with a broad apical sternite, containing a pair of processes which can usually be detected in specimens when present. The male terminalia shows similar variations, for the ninth tergite may be a simple plate or divided. Also the hypopygium may be inverted.” (Hardy 1934a: 516)

 

For informational purposes, in North America, S.W. Bullington (2008) has created a web site which will be devoted to the Laphriini of North America.

 

 

Reference:
Hardy, G.H.  1929c.  Fourth contribution towards a new classification of the Australian Asilidae. - Proceedings of the Linnean Society of New South Wales 54: 353-360.
Hardy, G.H.  1934a.  The Asilidae of Australia.  Part 1.  The Annals and Magazine of Natural History, Ser. 10, Vol. 13: 498-525.
Subpages (2): Laphria Maira
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