Desmobathrini

Tribe Details

The abdomen itself is usually very slender, elongated, with a pair of longitudinally elongated patches of setae on the third sternite. The elongation of these, when present, is another diagnostic feature (Figs 50,51). In the group of genera recognised by Holloway (1984b) there is a recurrent feature on the eighth segment: a pair of curved, finely corrugate, sausage-shaped zones laterally (Fig 35).This is seen in Conolophia, Noreia Walker, Alex Walker and Foveabathra Gen. n. in the Bornean fauna. In several genera there are also complex structures at the junction of the third and fourth sternites: it is seen in three of the four genera just mentioned, Alex being the exception.


The male antennae are usually ciliate, sometimes narrowly bipectinate.

The female genitalia offer no tribal level characteristics. The ornamentation of the bursa shows great variety, e.g.: general (Noreia) or localised (Derambila) scobination; longitudinal rows of spines (Ozola); a crown-like central ring of broad spines (Conolophia, Callipotnia); a small, scobinate signum (Encryphia); a longitudinal scobinate band (Celerena); immaculate (Alex, with an appendix; Foveabathra).

The ansa of the tympanum is usually simple, tapering, thought to be the plesomorphic condition by Cook & Scoble (1992), sometimes with a slight lateral flange.

Seven genera of the group occur in Borneo.

Genera (7)

Species (35)


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