131 



}ond apical margin of last pleurite. Wings nulinientary. 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 ca sp. nov. 



PI. XVIil. 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 

 brqwn, 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 roundl\- produced. 



Length 2^ mill. 



Hab. Queensland, (Koebele 2302). 



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



Crioinorphiis. 



Criouiorphus Curtis 1833 Ent. ^lag I, 195. 



Stiroiiia FidDer 1866 \'erh. Zool. hot. Ges. Wien XVI 

 ( ?=rsubgen.) 



Diiropis Kirschbaum 1868 Jahrb. Nass. Ver. Nat. XXLXXIT, 

 p. II. 



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



A somewhat heterogeneous assemblage, some c,f 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. 



Dififers from most of the other species included in Cnomor- 

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



