736 MR. E. MEYRICK ON [June 16y 



across wing, first three outwardly oblique, first from rather near 

 base, fourth inwardly oblique : cilia white, with two posterior 

 lines of black irroration, on costa grey with a white bar, at apex 

 with a black hook, beneath this on basal half ochreous-grey 

 speckled with black and barred with white, beneath tornus 

 greyish. Hind wings and cilia gi'ey. 



Transvaal, Pretoiia, in January, February, and May {Janse) ; 

 four specimens. 



Plutellid^. 



Iriothyrsa, n. g. 



Head with apjjressed hairs ; ocelli absent ; tongue short. An- 

 tennae -|, in (S simple, basal joint elongate, with pecten. Labial 

 palpi very long, poi-rected, second joint very long, widely diverging, 

 clothed with dense scales, jDrojecting roughly above, terminal joint 

 half second, bent inwardly at right angles to it, loosely scaled, 

 acute. Maxillary palpi obsolete. (Posterior legs broken.) Fore 

 wings with 2 from angle, 3 absent, 4 and 5 connate, 6 and 7 out 

 of 8, 7 to termen, 9 out of 8 before 6, 10 from near end of cell, 

 11 from beyond middle. Hind wings f, narrow-lanceolate, cilia 

 3 ; 2 separate, 3 and 4 connate, 5 and 6 stalked, 7 separate. 



Intermediate in character between Plutella and Coleophora. 



Iriothyrsa melanogma, sp. n. 



(S . 21 mm. Head and thorax ochreous- whitish. Palpi 

 whitish, second joint sprinkled outwardly with fuscous and 

 blackish. Antennae ochreous- whitish. Abdomen ochreous- 

 whitish mixed with grey. Fore wings elongate-lanceolate, 

 termen faintly sinuate ; pale brownish-ochreous, sufiiisedly mixed 

 with white, especially towards base ; costal edge blackish towards 

 base ; some scattered black scales, and posterior ^ sufl[usedly 

 streaked longitudinally with fuscous sufl[:usion irrorated with 

 black : cilia whitish-ochreous. Hind wings rather dark grey, 

 anteriorly pale greyish-ochreous towards costa ; cilia whitish- 

 ochreous. 



Transvaal, Pietersburg, in March {Janse) ; one specimen. 



Yponomeuta glaphyropis, sp. n. 



S 5 . 25-28 mm. Head white or whitish, with two black 

 spots on crown and two or four on face. Palpi blackish, apex of 

 all joints whitish. Antennae light grey. Thorax grey-whitish, 

 with two black marks on each shoulder, a dot on each patagium,. 

 and two on back. Abdomen dark grey or blackish-grey. Fore 

 wings elongate, narrow, costa gently arched, apex obtuse, termen 

 -nearly straight, oblique, cell very long, reaching to -J of wing; 

 light grey or sometimes darker grey, with whitish reflections ; 

 usually some whitish suffusion on fold, especially on basal half ; 

 five or six black dots immediately beneath costa on basal |-, 

 a series of about six near costa from |- to apex, a series of about 



