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XYIII. Descriptions of New Genera and Species of Ex- 

 otic Hymen optera. By J. 0. Westwood, M.A., 

 F.L.S., &c. 



[ Bead 16th November and Till December, 1868. ] 



Genus Teigonalys, Westw. 



1. Trigonalys pulclielJa, n. sp. 



Minuta ; castanea^ flavo et nigro variegata ; alis lim- 

 pidis, nubila fuscescente subapicali ; an tennis obscure 

 fulvis. 



Long. Corp. lin. 3^ ; expans. alar. lin. 6^. 



Habitat in Insula Ceylon. Dom. Thwaites. In Mus, 

 Hopeiano, Oxonias (olim nostro) . 



Species perelegans. Caput castaneum^ clypeo, orbitu 

 oculorum, maculis tribus verticalibus lineolisque nonnuUis 

 posticis flavis. Thorax castaneus ; marginibus superis 

 collaris, maculis duabus conicis anticis mesonotij alteris 

 duabus ad latera scutelli^ post-scutelli linea tenui trans- 

 versa, maculisque duabus magnis posticis metanoti, flavis. 

 Abdomen segmentis dorsalibus basi nigris, apice castaneis, 

 Imo et 2do macula magna communi ovata, liujus etiam 

 margine lato postico, flavis ; segmentis apicalibus flavis, 

 linea longitudinali media castanea ; segmentis ventralibus 

 inermibus. 



2. Trifjonalys jucunda, n. sp. 



Rufo-fusco et flavo varia, minute punctatissima ; alis 

 hyalinis, anticarum dimidio costali fusco ; pedibus 

 rufis, tibiis basi albidis ; antennis fuscis, basi fulvis. 



Long. corp. lin. 4^; expans. alar, antic, lin. 10. 



Habitat in Amazonia. Dom. Bates. In Mus. Hopeia- 

 no, Oxoniae. 



Caput flavum, vertice late castaneo, nigro cincto ; an- 

 tennae longge, 24-articulat8e, apice gracillimas, articulis 

 8 basalibus fulvo-rufis, apice fuscae. Thorax castaneo-ru- 

 fus ; collaris lateribus, maculis duabus anticis mesonoti, 

 alteris duabus ad basin scutelli, post-scutello, et maculis 

 duabus ad apicem metanoti, flavis ; scutello nigricante. 

 Abdomen ad basin castaneum, ad apicem nigricans, seg- 

 mentorum margine apicali flavo, segmentis ventralibus in 

 medio inermibus. 



TKANS. ENT. SOC. 1868. PART IV. (DECEMBER). 



