44() MUSEO NACIONAL DE BUENOS AIRES. 



dentato, dente medio majori, triangulari vix sequé longo latoque; 

 basiu versús l^'popygio rufescente atque in medio longitrorsñm 

 carinato. 



Long. 12 mm., alar exj). 20 '/a mm., ala 8 1/^, mm., antenna 4 ^¡., mm. 



Argentina, forsáii Prov. Buenos Aj-res, Baradevo (ex coll. E. Lch. 

 A., specimen singnhim in Museo Nationali vidi). 



62. Cciilioxy.s lativalv;», Holmb., n. sp. 



Q. Nigra, faoie utrinqué dense albescenti-villosa; mesonoto anticé scutelloque 

 ad basin squamuloso-aurantio-fasciatis; abdominis dorsi sesmento 1" vel 

 2" quoqué pedibus ventreque íerrugineis; epipygio dimidio basali nítido, 

 semiovato, deinde sensim attenuato, ad apicem trúncalo, truncaturic angu- 

 lis rotundatis, bypopygio longiore. sequé lato, ad apicem tridentato, dente 

 medio majori duplo longiore quam latiore. — Long. 9-10 mm. 



9 . Caput nigrum; faoie, in foveolis radiatim, utrinqué atque ad 

 apicem elypei longiuseulé dense appresseque albescenti-villosa, in 

 medio squamulis minutis appressis tegumentum liaud occludenti- 

 bus; dense fortiterque jjunctatum; antennis nigris, imo ápice rn- 

 fescentibus; mandibulis íerrugineis, ad basin grisescenti-villosis: 

 genis albido-villosis. Thorax dense fortiterque punctatus, niger; 

 pronoto utrinqué ad ángulos rufescente; mesonoto anticé fascio- 

 la squamulosa, aurantiaca, in medio retrorsé ampliata atque li- 

 nealitér emarginata ; macula parva post tegulam suturaque meso- 

 noto-scutellari aurantiaco-squamulosis; suturis pleuralibus niveo- 

 squamuloso-villosis, fovea metapleui'ali albido-villosa; scutello 

 thorace reliquo eodem modo punctato, in medio longitrorsúm li- 

 neato-kevigato-carinato, ángulo jiostico -medio in plano altiore 

 quam appendicibus lateralibus, liis divaricatis, retrorsis, a superné 

 acutis, á latere obliqué subrotundato-truncatis, in eadem linea 

 cum ángulo medio; tegulis nitidulis, íerrugineis; alis subfulvescen- 

 ti-hyalinis, ad marginen! posticum vix infuscatis, venulis fusce- 

 scenti-fulvis; ]jedibns cum trochanteribus, calcaris uiiguicnlisqne 

 íerrugineis, coxis nigris, anticé dense niveo-squamulosis, II et III 

 ad apicem íerrugineis. Abdomen nigrum, punctatum, punctis par- 

 vis, segmentis in medio transversé lwvigato-dep2:)ressis; brevitér 

 albo-squamuloso-marginatis; 1" dorsali ferrugineo, ad marginem 

 posticum angusté nigricante, qua parte antrorsé vix curvata vel 2" 

 quoqué rufo et fasciola nigra in eo; et 3° utrinqué rufo, ómnibus 

 in parte deflexa: epipygio dimidio basali nitido, punctulato, semi- 



