154 



ihe entire length of the insect. First antennal segment about 

 ono-hah' of the length of the second. 



Male pygophor rounded at the end, the dorsal margin pro- 

 duced at each side, the produced part flattened and bent over at 

 the end. The genital styles are compressed, the apices some- 

 what acute and bent. 



Length 2^ (brach.) 4 (macr.) mill. 



Hab. Queensland, Cairns (Aug., 2264 in part). 



5. albotristriaiiis sp. nov. 

 PI. XX, figs. 15 and XI V, figs. 1-3. 



Shorticingcd form allied to thycstcs. 



Dark fuscous, or blackish, a little less dark on the vertex. Eyes 

 castaneous or fuscocastaneous. Antennae, keels oa frons and 

 clypeus, legs, etc.^ fuscotestaceous. Pronotum (except ven- 

 trally), posterolateral margins of scutellum, subcostal vein, a.[>\- 

 cal margin of tegmina broadly, last two or three tergites, etc., 

 opaque whitish. 



Keels all strong, even on the clypeus. Head dorsally longer 

 than wide, produced a little in front ; frons widening curvedly In- 

 wards the apex but narrowing very slightly at the apical mar- 

 gin. Pronotal keels divergent, not curving under the .eyes and 

 not reaching the hind margin. Scutellum shorter than prono- 

 tum. Tegmina nearly s(juare, e.xtending to about half the length 

 of the abdomen, subtruncate apically and contiguous along the 

 commissure. Tibial spur with aljout 16 well developed spines, 

 tarsi as in the last. 



Male pygophor apically rotundate oval, the rim thickened 

 about the anal third and produced there in a short spine. Geni- 

 tal styles broad, bifid apically. 



Length 2} 2% mill. 



Hab. Queensland, Brisbane and Bundabcrg (N'ov.). 



I have seen males only. 



6. dryopc sp. nov. 

 PI. XM, figs. 12-13. 



Somewhat like D. osbonii. 



Yellowis'h testaceous, frontal and clypeal keels whitish-yellow, 

 the former very narrowly bordered internally with dark fuscous, 

 (in the males the keels are less broad and less whitish). Pro- 



