616 MONOGRAPH OF THE AUSTRALIAN ClCADID^fl, 



20(21). Basal segment of abdomen wholly black annulata. 



21(20). Basal segment of abdomen with apical border pale. 



22(23). Apical borders of abdominal segments distinctly red. ( 2 )leurensis. 



23(22). Apical borders of abdominal segments very pale mnevie. 



24 (1 ). Apex of anal area not infuscated. 



25(32). Abdomen black. 



26(27). Costa with a node near apex of radial area nodicosta. 



27(26). Costa destitute of a node. 



28(29). Apical margins of abdominal segments pale duhia. 



29(28). Apical margins of abdominal segments distinctly red 



or yellow. 



30(31). Interior border of tegmina black; abdomen normal., incipiens. 



31(30). Interior border of tegmina pale; abdomen swollen... 2^?<g7'. 



32)25). Abdomen yellow or red. 



33(36). Abdomen immaculate. 



34(35). Pronotum with black stripes minima. 



35(34) . Pronotum immaculate sericeivitta. 



36(33). Abdomen more or less marked with black. 



37(40). Base of abdominal segments with transverse fuscous 



bands. 



38(39). Fuscous abdominal bands obsolete ; pronotum 



mostly black rubra. 



39(38). Fuscous abdominal bands on dorsum distinct leichardti. 



40(37). First abdominal segment only black. 



41(42). Basal abdominal segment narrowly black basalis. 



42(41). Basal abdominal segments entirely black, a narrow 



black stripe along middle of dorsum emma. 



*Pauropsalta leurensis, sp.nov. (Plate xviii., figs. 8, 8a). 



Head reddish-fuscous, a yellow spot at base of vertex, front 

 border shining black; front black, bordered with red; rostrum 

 black, reaching middle coxse. Pronotum reddish-fuscous, a 

 central stripe, part of hind border, and produced front angles, 

 red; width of head. Mesonotuni black, front rami of cruciform 

 elevation (except a small spot on each), lateral borders, and 

 scutellum, red. Tegmina vitreous, costa and veins black, basal 

 membranes red. Wings vitreous, veins black, interior border of 

 anal area reddish milky, its apex broadly fuscous. Abdomen 

 velvet black, excepting the first, apical borders of segments 

 orange-red, tip pale yellow. Body below black, chest with a few 



