YrONOMEUTA] 



PLUTELLIDAE 



697 



Larva vellowish-grey ; spots l)lack : on Sedum telepliium ,■ G, 7, 

 9, 10. " 



4. Oktiiutaelia, Htph. 



Head with apjiressed hairs. Antennae ^, in $, serrate, 

 shortly ciliated, basal joint without pecten. Labial palpi long, 

 recurved, second joint with appressed scales, terminal longer 

 than second, acute. Maxillary palpi very short, filiform. 

 Abdomen elongate. Forewings : 7 and 8 separate, 8 to apex. 

 Hind wings over 1, oblong -ovate, ciha \ ; 3 and 4 connate, 6 

 and 7 nearly parallel. 



Includes only the single species. Imago with forewings 

 elongate, rather narrow, termen straight, little olilique. 



1. 0. sparganella, Thnh. 21-28 mm. Forewings whitish- 

 ochreous to rcddish-ochreous, usually moi'e or less sutt'used with 

 dark ]nu-plish-fuscous, especially on a longitudinal discal streak 

 dilated posteriorly, veins often marked with pale streaks ; often 

 several dark fuscous dots on fold, and a suffused dark spot in 

 disc at f. Hindwings oclu'eous-wliitish to whitish-grey, lower 

 half of termen suffused with grey. 



England to York, rather local ; N. and C. Europe ; 7, 8. 

 Larva grey or whitish ; head reddish-brown ; 13 much flattened : 

 in stems and leaves of Hparganixim, Iris, Poa (i<iuatica, etc. ; 5, 6. 



5. ('erostoma, Latr. 



Head with a})pressed or loose hairs. Antennae -|, sometimes 

 I'ough -scaled above towards base, in $ simple, basal joint 

 usually with flap of dense scales. 

 Labial palpi long, recurved, 

 second joint with projecting tuft 

 of scales beneath, terminal longer 

 or shorter than second, some- 

 times roughened in front, acute. 

 Maxillary palpi moderate or 

 short, filiform, ])orrected. Fore- 

 wings : 2 and 3 sometimes 

 stalked, 7 and 8 sometimes 

 stalked. Hindwings over 1, 

 elongate -ovate, cilia |-1 ; 3 and 

 4 sometimes approximated, 6 and 

 7 stalked. 



A northern temperate genus of some extent. Imago with 

 forewings elongate, more or less narrow, apex often produced or 

 falcate, termen very oblique : antennae porrected in repose. 



Neuration ami head of Ccrostoma 

 riidiatclla. 



