216 DESCRIPTIONS OF AUSTRALIAN MICRO -LEPIDOPTERA. 



by the absence of the transparent spot at base of hind-wings in 

 male. From both it is removed by the white, sometimes f asciated, 

 fore-wings. The genus is distributed through nearly all warm 

 countries, excepting Europe. 



Arg. a/rgyra&pis, n. sp. 



6"- 8". cT ? . Head snow-white, with an orange spot behind 

 each eye. Labial palpi rather more than twice as long as head, 

 gradually attenuated, snow-white above, orange-ochreous beneath. 

 Maxillary palpi white, atbase ochreous. Antenna? orange-ochreous, 

 annulated with white, in male rather thickened, subdentate. 

 Thorax shining snow-white, with a rather broad ochreous -orange 

 longitudinal line on each side of back. Abdomen ochreous- 

 whitish. Legs whitish, anterior and middle tibiae, and all tarsi 

 bright ochreous-orange above. Fore-wings triangular, very 

 broad posteriorly, costa almost straight, hind-margin truncate, 

 very slightly oblique, anal angle hardly obtuse ; shining snow- 

 white ; costa narrowly dark ferruginous from base to apex, faintly 

 dentate beneath at £ and five-sixth ; inner margin narrowly dark 

 ferruginous from near base to anal angle, emmitting an acute 

 projecting tooth inwards at i ; hind-margin very narrowly dark 

 ferruginous, marked with a row of subelongate black spots, and 

 with a marginal black line on apical half ; cilia ferruginous- 

 orange, with a purple-fuscous parting-line near base. Hind- 

 wings in male whitish, in female very pale fuscous-grey, hind- 

 marginal line dark fuscous ; cilia whitish. 



The species is distinguished in the genus by its small size, the 

 ferruginous costal and inner margins, and absence of fascia. Two 

 specimens (1<£. 1?) were taken by Mr. F. Burkitt, in my 

 presence at Bulli and "Wollongong at the beginning of October, 

 flying before sunset in grass-fields. 



DlPTYCHOPHORA, Z. 



Ocelli distinct. Labial palpi rather short, porrected or ascending; 

 maxillary palpi triangular, appressed. Tongue spiral. Fore 



