SOUTH AFRICAN BAGWORMS. 137 



South African Bagworms ; a New Sub-genus and 

 Species of the Genus Acanthopsyche, and 

 a Re-description of Trichocossus arvensis 



Janse. 



By 



4. J. T. THii<iic, F.E.S.L. 



With 1 Text-figure. 



Gi-enus Acanthopsyche Heyl. 



Subgenus nov. Semimanatha. 



Type fumosa sp. n. 



Fore tibige with a long thin process, as long as the tibia ; 

 palpi minute; tongue absent ; antennae a little over one-third 

 of costa, bipectinate, branches from base to beyond middle as 

 long as one-third of whole antenna, each branch with rather 

 long cilia on both sides and some branches ending in a bristle. 

 Fore wing with \c anastomosing with 16 at half; Ih forked at 

 base and with a spur from one-fourth of 1 h to inner margin 

 at half ; cell over half of wing ; 2 from two-thirds lower 

 median; 3 from five-sixths; 4 and 5 from lower angle, nearly 

 from a point ; 4 straight ; 5 curved near origin ; 6 from 

 middle of disco-cellular, parallel to 5*; lower half of disco- 



* Sir George Hanipson in his key to the subgenera mentions the 

 absence of vein 6 for some subgenera; judging from the position of 

 the vein present in this subgenus I would say that 6 is here present 

 and vein 7 absent; the space between that vein and vein 8 suggests 

 also that the missing vein is 7. 



