270 Mr. J. O. Westwood on Evania and 



Bfegalyrafascnpemiis, Westw, (PI. XV, fig. 3 ^.) 



Nigra, pedibus rufis, alis fasciatis, capite thoraceque punctatis. 

 Long. Corp. lin. 5 — 7| (oviduct, esclus.), expans. alar. lin. 



9 — 12|, long, oviduct, individ. majoribus lin. 28. 

 Habitat in Nova Hollandia, 

 In Mus. nostr. &c. 



Syn. Megalyra fasclipenms, Westw., in Griffith An. Kingdom, 

 pt. 33, p. 419, Insects, pi. 60, fig. 4 5, pi. 106, fig. 4a-/, details. 



Antennae nigra;, basi piceas, articulo Imo crasso, 2do minuto 

 reliquis gracillimis, 4to longiori ; articulis 3 — 5 interdum 

 piceo-rufis ; caput et thorax confertissime punctata, griseo- 

 pubescentia ; abdomen in utroque sexu dorso 7-annulato, 

 segmentis duobus basalibus raargineque postico segmentorum 

 sequentium in fcemina nitidis, horum basi tenuissime et con- 

 fertissime puntatissimis, lateribus griseo-pubescentibus ; ab- 

 domen maris segmento Imo nitido, punctis nonnullis sparsis, 

 2do et Stio punctatissimis, spatio brevissimo medio transverso 

 impunctato, 4to et 5to basi Isevibus a] ice punctatissimis, 6to 

 et 7mo parcius punctatis, hujus apice acuto; oviductCis terebra 

 rufo-picea, vaginis nigris ; pedes rufi aut piceo-rufi ; alee 

 fuscescenti-hyalinae, fascia lata fusca pone medium anticarum 

 apiceque nubila fuscescenti, venis in parte colorata alarum 

 nigris, reliquis piceo-rufis. 



A figure of the female of this insect having been published in 

 " Griffith's Animal Kingdom," the male is here represented ; the 

 female differing from that sex only in possessing an exceedingly 

 long exserted ovipositor. 



Trigonalys, Westw. 



(Proceedings of Zool. Soc, April 14, 1835, No. 28, p. 53.) 



Genus anomalum. Caput et antennae Lydce, abdomen Mutillce, 

 alarum venae fere ut in Myrmosa dispositae. Ctqyut magnum, 

 subquadratum, planum, antice pauUo latius. Clypeus margine 

 antico emarginato. Labrum minimum, apice attenuatum, 

 linguiforme, longe ciliatum, e membrana lata prodeuns (PI. 

 XV. fig. 4a). Mandibula; (fig. 46, 4c) magnae, crassae, apice 

 acutissimee, uno dentibus duobus, altero vero tribus magnis 

 acutis internis. Max'tllce (fig. 4rf) parvae, lobo apicali mem- 

 branaceo, rotundato, lobo interno minuto. Pal2n maxillares 

 G-articulati, articulis longitudine injequalibus ; Imo minuto, 

 Stio brcvi crassiori. Mentum corncum, semitubulosum. 



