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Show 1880.] PROF. WESTWOOD ON THE GENUS PERGA. 373 fusco fascialis ; capite fulvo, leevi, fronte antice in medio supra basin antennarumparum porrecta, vertice pone ocellos triimpresso, mandibulis apice castaneis ; (antennis fractis;) mesonoto antice canali medio instructo, lateribus dorsi elevatis nigris, utrinque linea impressa obliqua a dorsi medio separatis ; scutello trans-verso quadrato, postice parum angustato, in medio subimpresso, utrinque postice tuberculo fulvo instructo; abdomine chalybeio nitidissimo, segmentis basalibus utrinque, posticis omnino albido fasciatis ; corpore infra fulvo; abdomine cyaneo, segmentis anguste albido marginatis; pedibus piceis ; alis magnis, fiavidis, costa stigmateque castaneis, hoc basi nigro, fascia media transversa fusca ; cellula marginali fere ad apicem alee extensa, cellula prima submarginali brevi transversa, secunda et tertia fere ceque longis, hac latiore, apice recte truncato ; cellula marginali in alis posticis interdum vena transversa recta prope apicem in duas partes divisa. (Fcemina.) Long. corp. Un. 6|. Expans. alar, antic. Un. 14. Hab. in Australasia. In Mus. Hopeiano Oxoniae. 26. PERGA BELLA, Newman, 'Entomologist,' p. 89. " Testacea : caput testaceum, oculis nigris ; ocelli nigri in macula concolori siti; antennarum articuli 1. et 2. aterrimi, apicibus tenuiter albis, 3. fuscus, caeteri lutei j antennae tubere albo sitae ; oculorum margo anticus albus, genee quoque albae ; epicranium asperum, maculis 2 albis signatum ; clypeus testaceus, lateribus albis : prothoracis scutellum margine postico albo : mesothoracis scutum asperum, punctum, linea mediana marginibusque lateralibus elevatis albis, lineis quoque nonnullis nigris; mesothoracis scutellum dentibus 2 posticis sublongis obtusis instructum ; mesopleura puncta, margine imo fal-ciformi late albo : metapleura nigro varia, macula elevata mediana subtrigona alba; mesosternum aterrimum, glaherrimum: pedes flavidi, coxis albis: abdomen testaceum, maculis 7 lateralibus elon-gatis albis, subtus testaceo nigroque varium. " Corp. long. 7 une, alar. lat. 1 *4 une. "Inhabits New Holland. A single specimen of this beautiful insect (now in cabinet of Entomol. Club) was taken by Mr. Davis at Adelaide."-Newman. P.ferrugineee, Leach, proxima, sed multo major, alarum anticarum medio paullo saturatiore. Variat colore saturatiore maculisque distinctioribus, maculis 7 oblongis, albidis, lateralibus abdominis distinguenda, abdomine etiam segmentis ventralibus interdum testaceis, interdum nigris nitidis segmento ultimo cum oviductu testaceo, interdum omnino nigris oviductu piceo. Individua plurima fcemineain Mus. Hopeiano Oxoniae hospitantur, variant longitudine une. § ad une. f, et expans. alar, antic, une. \\ ad une 1-^. Individua hujus speciei ex Adelaida in museo Hopeiano cum nomine falso P. ventralis, Westw., inscripto e Dom. Smith accepta, et alia similiter nominata in Mus. Britannico continent™*. Alia individua, ex Adelaida, pallidiora (scil. magis lutescentia) in 25* |
