7S8 REVISION OF AUSTRALIAN LEPIDOPTERA, 



var. a. {irius, Boisd.) Basal segment of abdomen ochreous- 

 white above. 



var. 0. (ganymede, Dbld.) Three basal segments of abdomen 

 wholly black above. 



Cape York and Cooktown, Queensland ; common (Coll. Macleay 

 and Australian Museum). Also from Ceram and Celebes. 



ZYGAENIDAE. 



Ocelli present. Antennae about J, thickened or pectinated. 

 Maxillary palpi absent. Frenum developed. Forewings with 1 

 simple or furcate at base. Hindwings with vein 8 anastomosing 

 or connected with upper margin of cell. 



The Australian species belong entirely to two genera of the 

 more ancestral section of the family, the other and later section 

 being principally developed in Europe. 



a. Hindwings with vein 6 absent 42. Hestiochora. 



b. ,, „ „ present 43. Procris. 



42 Hestiochora, n.g. 



Tongue well-developed. Antennae thick, in £ bipectinated, 

 apex simple. Palpi short, porrected, rough-haired beneath, 

 pointed. Posterior tibiae without middle-spurs. Forewings with 

 vein 1 furcate at base, 2 from g, all veins separate. Hindwings 

 with vein lc present, 4 and 5 separate or from a point or stalked, 

 6 absent, 8 anastomosing with upper margin of cell from before to 

 beyond middle. 



A. Collar black 147. rujlventris. 



B. ,, not black. 



a. Face orange 1 44. xanthocoma. 



b. ,, black. 



1, Abdominal band red 145. erythrota. 



2. ,, ,, whitish-ochreous 146. tricolor. 



144. Hest. xanthocoma, n. sp. 

 £. 18 mm. Head, palpi, and collar bright orange. Antennae 

 blue-black, pectinations yellow. Thorax blue-black. Abdomen 



