364 PROF. WESTWOOD ON THE GENUS PERGA. [May 4, 



4. Perga schiodtei, sp. nov. (Plate XXXIV. figs. 3, 4.) 



P. dorsali proxima at minor, maris alis aJiter formatis, foemina 

 cyanea nee virescens. 



Mas. Brunneo-castaneus, cceruleo-nilens, abdominis apice rufo;fce- 

 mina eapite et tJiorace eyaneo-nigris, abdomine cyaneo ; mandibulis 

 utriusque sexns castanei.i apiee nigris ; ehjpeo et labro fiavis, tuber- 

 culis antenniferis subfulvis ; antennis castaneis, ariiculis inter- 

 mediis gracilibus subaquilongis, vertice linea media longitudinali 

 impressa in fossulatn rotundam oceUigeram antice terminata, late- 

 ribus verticis subplanis ; collaris lobis fiavidis punctatis ; meso- 

 noto antice oblong o-punctato, linea tenui media impressa, parte 

 postica nitidissima ccerulea, lateribus castaneis;- scutello fransverso- 

 ovali, jilano, impunctato,fluvido,postice tuberculis duobus castaneis 

 instructo; metanoto subcastaneo ; abdominis dimidio basalicaru- 

 leo-nitido, apice castaneo-fulvo ; thorace subtus impunctato, cum 

 pedibus castaneo-fulvis, plenris albidis grosse punctatis ; pedibus 

 fulvis, tibiis tarsisque pallidioribns, feynorihus tibiisque dualus 

 posticis apice nigricantibus ; alis subhyalinis, costa, sticjmale 

 venisque pallide brunneis, cellula prima et secunda submarginali 

 fere ccqualibus, tertia duplo longiore, apice valde obliquo et cur- 

 vato, margine untico pane stigma haud subito oblique truncato. 



Foemina differt colore obscuriore, nigricanticijuneo tincta, vertice 

 absque linea media impressa, metanoto postice obscurioi'e, corporc 

 toto infra cum coxis cyanto nitido, mesopleiiris valde rugosis 

 cyaneis, nubila postica oblonga subfiilva. 



Long. Corp. S Hn. H-B^, $ ''?''• 9- Expans. alar, antic, tin. 16. 



Hab. in Australasia, Adelaidam {Wilso^i). In Mus. Hopeiano 

 Oxonise. 



5. Perga brullei, sp. nov. (Plate XXXIV. fig. 6.) 



Mas. P. dorsali affinis, at dimidio minor, aliter coloratus, alis- 

 que anticis apice acute oblique truneatis ; eapite nigro, clypeo, 

 labro, tuberculis duobus antenniferis, guttis duabus ovatis verti- 

 calibus, tnargine jiostico oculorum et macula purva faciei utrin- 

 que inter oculos et antennas fulvis ; antennis Lrevissimis, tes- 

 taceis; mandibulis fulvis, dentibus nigris; collaris lateribus fulvis 

 ddatatis, macula parva antice nigra ; mesonoto macula parva 

 hastata dorsali, tegulis linea tenui a scutello utrinque ad basin 

 alarum ducta scutellvque fulvis, hoc glabra nitido semicirculari, 

 punctis perpiaucis lineaque media impressa fere obsoleta, tuber- 

 culisque duobus oblongis parvis instructo; abdomine parvo, luteo- 

 testaceo, dorso ceneo setisque cinereis subsericunte ; wesosterno 

 nigro nitido, valde convexo, pleuris inacula magna oblonga, meta- 

 pleurisque macula parva obcordata fulvis ; pedibus basi nigro 

 luteoque variis, femoribus quatuor posticis subtus ventreque 

 piceo-nigris ; pedibus fulcescentibus ; alis infumaiis, costa venis 

 et stigmate crasso obscurioribus, margine antico alarum pone 

 stigma subito oblique truncato ; cellula prima submarginali 

 majore quani secunda. 



Long. Corp. tin. C|. Expans. alar, antic, lin. 13. 



Hub, in Australia australiore. In Mus. Hopeiano Oxoniae. 



