12 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. IO7 



Family CIXIIDAE 



Tribe PINTALIINI 



Genus PINTALIA Stal 



Pintalia StAl, 1862, Bidr. Rio-Janeiro Trakt. Hemipt., vol. 2, p. 4. (Logotype, 

 P. lateralis Stal, ibid.) 



PINTALIA CONSTELLARIS (Walker), new combination 



Poeciloptera constellaris Walker, 1858, List Horn. Suppl., Addenda, p. 335. 

 Pintalia quadriniaculata Fennah, 1945, Proc. U. S. Nat. Mus., vol. 96, p. 96, 

 pi. 2, fig. I. 



An examination of Walker's holotype leaves no doubt concerning 

 the synonymy given above. 



Tribe CIXIINI 



Genus OLIARUS Stal 



Oliariis Stal, 1862, Berlin Ent. Zeitschr., vol. 6, p. 306. (Logotype, 0. walkeri 

 Stal, 1859, Freg. Eugen. Resa, p. 272.) 



OLIARUS VILIS (Walker), new combination 



Cixins vilis Walker, 1857, Journ. Linn. Soc. Zool., vol. i, p. 148. 



Although the head of the female holotype is missing, its description, 

 the size, quinquecarinate mesonotum, tegminal venation, and the char- 

 acteristic genitalia indicate that this species belongs in Oliarus. 



EXPLANATION OF PLATES 



Plate i 



Figs. 1-4. Hyalodictyon nodivena (Walker), i, vertex and pronotum; 2, 

 frons; 3, vertex in profile; 4, apex of tegmen. 

 5. Hyalodictyon teapanum Fennah. Frons. 

 6-10. Hyalodictyon truncatiim (Walker). 6, vertex and pronotum; 

 7, vertex in profile ; 8, apex of tegmen ; 9, frons ; 10, third 

 valvula of ovipositor. 



11. Hyalodictyon teapanum (Walker). Third valvula of ovipositor. 



12. Hyalodictyon platyrhina (Walker). Vertex and pronotum. 



13, 14. Hyalodictyon centrali-americanum Fennah. 13, vertex and pro- 

 notum ; 14, frons and clypeus. 



15, 16. Hyalodictyon bugabae Fennah. 15, frons and clypeus; 16, vertex 

 and pronotum. 



17. Hyalodictyon brachyrhina (Walker). Vertex and pronotum. 



18. Hyalodictyon fusiforme (Walker). Vertex and pronotum. 



