LEPIDOPTERA HETEROCEBA. 101 1 



1. DlACHORISIA VELATELLA. 



velatella, Clms. 

 United States. 



Genus EUDARCIA. 

 Eudarcia, Clms. 



This genus is referred with doubt to the Tineidce. 



1. Eudarcia stimulatricella. 



stimulatricella, Clms. 



United States. 



Genus TONZA. 



Mas. Corpus gracile. Caput prominulum. Fasciculus 

 frontalis conicus. Proboscis nulla. Palpi graciles, laeves, porrecti, 

 vix ascendentes ; articulus 3us lanceolatus, 2o vix brevior. Antennas 

 glabra?, alis anticis non breviores. Pedes laeves, gracillirni ; calcaria 

 longissima. Alas anticae longae, apice subrotuudata*. 



Male. Body slender. Head prominent. Frontal tuft conical, 

 extending somewhat beyond the head. Proboscis obsolete. Palpi 

 porrect, hardly ascending, smooth, slender, extending beyond the 

 head ; third joint lanceolate, nearly as the second. Antennae smooth, 

 full as long as the fore wings. Abdomen extending somewhat 

 beyond the hind wings. Legs smooth, very slender ; spurs very 

 long. Wings long. Fore wings slightly rounded at the tips, 

 slightly widening from the base to the interior angle ; exterior border 

 slightly oblique, hardly concave. 



Type, T. pur el la. 



1. Tonza purella. 



Mas. Subflavescente-nivea ; abdomen niveum ; ala antica 

 cinereo transverse conspersa, puncto subapieali nigro, fimbria 

 fusca; potticce niveau. 



Male. Pure white. Thorax and fore wings with a very slight 

 yellowish tinge. Fore wings transversely speckled with cinereous ; 

 a subapical black point; fringe brown. Length of the body 

 3 lines; of the wings 9 lines. 



a, b. Moreton Bay. From Mr. Diggles' collection. 



