496 CATALOGUE OF 



7. Tryxalis scitula. 



Teslacra, T. nasnlas .lirnillinia ; ahc anticcB villa vigricanle informi 

 inlerrupla ; alee postica diuphance, venis testaceis basi Jlavis apice 

 nigris. 



Female. Testaceous, Head and piolhoiax like those of T. nasuta in 

 structure, with whitish keels and with three ferrufjinoiis stripes on each 

 side. Cone of the head shorter than the eye. Antennae reddish. Keels 

 of the prothorax slifj^htly diver^jing from each other near the hind border, 

 which is acutely angular. Fore wings occasionally with an irregular 

 abbreviated and interrupted blackish stripe. Hind wings pellucid ; 

 veins testa.ceous, yellow towards the base, blackish towards the 

 tips; transverse veins mostly black; apical veins clouded with brown. 

 Length of the body 1(3 — 18 lines; exj)ausion of the fore wings 28 — 32 

 lines. 



The dark veins of the hind wings distinguish it from T. nasula, of 

 which, however, it may be a mere variety. 



a. Australia. Presented by the late Earl of Derby. 



b. North Australia. Presented by J, R. Elsey, Esq. 



c. Swan River. Presented by Sir J. Richardson. 



d. Australia. 



8. Trvxalis lativitta. 



Mas. Viridis out cervina,'!. nasutae simillima ; caput sal aseendens ; 

 prolhorax carinulis inlermediis inslruclus, carinis laleralibus poslice 

 arcualis, margine postieo aculissimo ; alee anlicce villa discoidati e 

 maculis albidis nigro marginalis villoque nigra nonnunquam obsolela : 

 aim posliccE diaphance, margine exleriore fusco, venis apicem versus 

 venuiisque Iransversis nigris. 



Male. Green or fawn-colour. Head and prothorax much like those 

 of T. nasula, with three brownish or pale testaceous stripes on each side. 

 Head rather more ascending than that of T. nasuta ; cone shorter than the 

 eye. Prolhorax with some very slight keels besides the three principal 

 keels; the two lateral keels diverging from each other and much rounded 

 near the hind border, which is very acutely angular. Fore wings with a 

 discal stripe of whitish black-bordered semi-oval spots, which are in some 

 cases accompanied by a blackish stripe. Hind wings pellucid ; veins 

 towards the tips and transverse veins black or blackish; exterior border 

 clouded with brown. Length of the body 14 — 21 lines ; expansion of the 

 fore wings 27 — 36 lines. 



The head is more ascending than that of T. nasuta, and the hind wings 

 distinguish it more than T. scitula from that species. 



a. Cape. Presented by R. W. Townsend, Esq. 



b, c. South Africa. Presented by Sir A Smith. 



