YI'ONOMKUTAl 



PLUTELLIDAE 



697 



Larva yellowish-grey ; spots black : on Sedum telephiwm ; 6, 7, 

 9, 10. 



4. Orthotaelia, St/ph. 



Head with oppressed hairs. Antennae ;.', in <J serrate, 

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

 recurved, second joint with appresscd scales, terminal longer 

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

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

 Hindwings over 1, oblong-ovate, cilia \; 3 and 4 connate, 6 

 and 7 nearly parallel. 



Includes only the single species. Imago with forewings 

 elongate, rather narrow, termen straight, little oblique. 



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

 ochreous to reddish-ochreous, usually more or less suffused with 

 dark purplish-fuscous, especially on a longitudinal diseal streak 

 dilated posteriorly, veins often marked with pale streaks; often 

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

 disc at §. Hindwings ochreous-whitish 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 Sptirganium, Iris, I'oa at/uatica, etc. ; 5, 6. 



5. ( Ibeostoma, Latr. 



Antennae |, sometimes 

 ct simple, basal joint 



Head with appressed or loose hairs, 

 rough-scaled above towards base, in 

 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, porrected. Fore- 

 wings: 2 and 3 sometimes 

 stalked, 7 and 8 sometimes 

 stalked. Hindwings over 1, 

 elongate-ovate, cilia -J-l ; 3 and 

 I 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. 



