ZETIIUS. 



51 



Abdomen gracile, petiolo elongato, parum inflate, punctate, apice pane to 

 inipressonuilo; secundo segniento satlongepedunculato,ovato-dilatato, 

 depresSo et tenuiter punctato. — Puueta 2 frontis, pronoti et tegulaium 

 margo, post-scutellum, fascia? 2 metanoti et abd. segmentorum 1-2 

 margo, nee nen fascia utrinque petioli secundi segtnenti (vel petioli 

 apicis) albida; femora intermedia subtus albide varia; alse liyalinae, 

 venis ferrugineis, apice griseo-nebulosae. Longit, 0.015 mm. 



9. Clypeo nigro, rugose, truncato, sub-bidentato (vel sub-tridentato). 



% . Clypeo albido, supra nigro, margine infero bidentato, tenuissime nigro 

 limbato; antennis nigris, unciuatis. 



Epipona dicmnboda Spinola.! Gay's Historia fisica de Chile (Fauna Chi- 



lena), VI, 1851, 250. 

 Zet/ius discombuda Sauss. Vespides, I, 21, 25. 



Hab. Chili. (Typi in museo Parisiense et in auctoris servantur.) 



C. Species of which the section remains undetermined. 



46. Z. Cllicotencatl Sauss. (Fig. 5, 5a.) — Niger, politus, fulve 

 hirtus, clypeo convexo, capite dense punctulato, thorace lsevigato, in 

 medio disco nitido, impunctato ; pronoto antice et pone angulos in 

 lateribus cristato-marginato ; metanoto haud excavato, ubique rugose 

 striate, petiolo parum inflato, impunctato, nitidissimo, secundo segmento 

 longe pedunculato, sericeo, secundum marginem punctato, margine sub- 

 jacente reflexo ; antennis subtus flavis ; punctis 2 frontalibus, maculis 

 2 metanoti, et abdom. segmentorum limbo (aliquandoque pronoti), 

 tibiisque supra, flavis ; alis ferruginescentibus. £. 



Zetlius Chicotencatl Sauss. Revue et Mag. de Zool. 1857, 271. 

 Total length, 17 mm. ; wing, 12 mm. 



9. Mandibles strongly tridentate. Clypeus rounded, very 

 convex, but finely punctured, truncate or sub-bilobed on its in- 

 ferior border, in the middle of which is a smooth space. Head 

 densely punctured, but not rugose. Ocelli salient, placed in a 

 regular triangle on the vertex, the head a little contracted behind. 

 Thorax shining and polished, not being punctured above the 

 middle; margin of prothorax forming a salient lamina: this 

 margin reflexes upon its angles and prolongs itself behind, along 

 the lateral border of the prothorax over a moiety o{' the distance 

 from the wing scale. Mesothorax punctured alongthe scutellum, 

 without groove on its hinder part, hut carrying a double longi- 

 tudinal groove on its anterior moiety; scutellum convex and 

 shining, feebly punctured. Metathorax a little Battened behind, 



