374 PKOF. WESTWOOD ON THE GENUS PERGA. [May 4, 



museo Hopeiano etiam liospitantur cum nomine falso Perga ferru- 

 ginea, Leach, a Smithio inscripta. 



27. Perga ferruginea, Leach, Zool. Misc. iii. p. 118. 



" P. ferruginea abdomine pallidiore j lahro, clypeo,f route, antennis, 

 tcirsis omnibvs tibiisque quatuor jjosticis hiteis, alts subfulvescen- 

 tibus. Mas latet. 



" Long. carp. 6^, expans. alar, antic, lin. 12." (Leach.) 



Hah. in Australasia (Sidney, Moreton Bay, &c.). 



Individua plurima cum typo Leachiano (a Leachio ipso iuscripto) 

 in Mus. Hopeiano hospitantur. 



Caput et thorax opaca, abdomine magis castaneo nitido, femoribus 

 tibiisque duabus posticis castaneis ; alarum anticaruin stigmate cas- 

 taneo, cellula marginali angusta fere lineari ad basin acutiuscula, 

 versus apicem sensim latiore, apice obtuse, cellulis submarginalibus 

 tribus basalibus perbrevibus, tertise apice obliquo. 



28. Perga lewisii, Westw. Trans. Ent. Soc. Lond. vol. i. p. 234 

 (P.S.), and vol. ii. Proceedings, p. xliv ; Arcan. Ent. i. p. 23, 

 pi. 7. fig. 1. 



Ocliracea, capitis thoracisque linea laterali apiccque tibiarum et ar- 



ticulonun tarsalium posticorum nigris. 

 2 supra obscure ocliracea ; caput magnum, quadratum, fere tho- 

 racis Jatitudine ; antennis articulo sexto pra^cedentihus tnbus 

 articulis parum longiore ; venula transversa inter celltdas 1"" et 2"' 

 alarum anticarum sctpe obsoleta ; stigmate mag no ; capite subtus 

 et mesosterno luteis ; tibim 2 posticai apice, apiceque articuli 

 primi tarscdis et articulis reliquis fere omnino nigris; antennce 

 perbrevcs, articulis 2", 3°, et 4° fere OTfUalibus ; clgpeus valde ru- 

 gosus ; prothorax {cottare) in medio fere obsoletus ; mesonoto 

 piano continuo ; scuto impressions a parapsidihus haud separato ; 

 seutello antice rotundato, angulis posticis oblique truncatis ; abdo- 

 mine 2 depresso, apice acuminata; tarsorum articulis apice 

 dilatatis ; pedum posticorum tihiis apice apiceque articulorum tar- 

 salium nigris ; alee aniicce stigmata fere lineari angusto, apice suh- 

 obtuso ; cellxda prima submargincli a secunda vena {sape obli- 

 terata) vuv separata. 

 Long. Corp. lin. 10. Expans. alar, antic, unc. Ij ( = Zm. 16). 

 Hab. in Terra Van Diemenii. 



Individua plurima in Mus. Hopeiano Oxoniae adsunt: marem non 

 vidi. 



Var. minor, coloribus et facie omnino siniillima, e Terra Van 

 Diemenii et Adelaida in Mus. Hopeiano. Long. lin. 8, expans. alar, 

 lin. 13. 



P. ferrwjinece, Leach, valde affinis, sed nmlto major tarsisque 

 dilatatis distincta. 



An interesting account of the habits of this species by Mr. R. H. 

 Lewis appeared in the first volume of the ' Transactions of the En- 

 tomological Society of Loudon,' with the heading " Case of Maternal 



