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yond apical margin of last pleurite. Wings rudimentary, reach- 

 ing very little beyond base of metanotum. Hind tibiae with 

 2 spines (i basal), nearly one-half longer than tarsi; spur solid, 

 elongate, narrow, with 8 spines. First segment of hind tarsi 

 longer than the others together. 



I. arbor ea sp. nov. 



PI. XVIII. figs. 11-12. 



Basal part of vertex, the clypeus, pronotum, scutellum antero- 

 laterally and basally, metanotum, sterna, legs, etc., pale yellow- 

 brown. Apical part of vertex, basal two-thirds of frons, a large 

 round spot on disk of scutellum, polished black. Antennae pale 

 brown, second segment more or less infuscate. Apical third of 

 frons whitish. Tegmina hyaline, basal half tinged with yellow- 

 ish-brown, a large hyaline spot in the middle (with a short, dark, 

 transverse stripe at base), which, when the tegmina are closed, 

 discloses the tiny, opaque white wings. Tergites blackish, basally 

 reddish testaceous, apically with a pale yellow-brown, elongate 

 wedge ; apical margin of last three tergites sanguineous. 



Female : sternites pale brown, ovipositor blackish. Last tergite 

 longer than the proceeding segment, apically roundly produced. 



Length 2^ mill. 



Hab. Queensland. (Koebele 2302). 



Only a single female, unfortunately, of this very distinct form. 



Ci'ioniorphiis. 



Criouiorpliiis Curtis 1833 Ent. Mag I, 195. 



Stiroina Fieber 1866 ^^erh. Zool. hot. Ges. Wien XVI 

 ( ?=subgen.) 



Ditropis Kirschbaum 1868 Jahrlx Nass. Ver. Nat. XXI-XXIT, 

 p. II. 



Eurybrcgiiia Scott 1875 E. M. M. XII, 92. 



A somewhat heterogeneous assemblage, some of the forms of 

 which seem not far from being directly in the line of descent of 

 Dicranotropis. The pygophor is destitute of spines or hooks 

 on the ventral margin. 



I. australiae sp. nov. 



Differs from most of the other species included in Cnoinor- 

 phus by the frontal keels being separated, though close together, 



