SE RICO KID. E—SERICl >RIS. 5 1 



(xermauy, Switzerland, East Hungary, Norway, Lapland 

 Finland, Russia, and the Trans-Oaucasian region. 



Genus 12. SERTCOHIS. 



Antennae closely notched, not thick ; palpi densely scaled 

 aud blunt ; thorax furnished with a thick crest at the back, 

 and uplifted shoulder-lappets ; fore wings blunt, costa with- 

 out fold ; hind wings ample, with scarcely any basal tuft. 



We have eight species, some of which are among our most 

 lively and familiar insects. 



Not easy to tabulate from the extreme variability of some 

 of the species. 



A. Fore wings shining reddish white with chocolate 



markings. 



B. The marking placed in sinuous stripes and lines. 



S. rivulana. 



B-. The marking in cloudy bands witli a central white round 

 dot. >S'. micaiia. 



A'-. Fore wings rather narrow, dull reddish white with choco- 

 late markings. 



C. Fore wings pointed at the apex. S. cespitana. 

 C-. Fore wings blunt at the apex. ;S'. doubledayana. 

 A"'. Fore wings white or reddish white with umbreous 



markings. >S'. vrticana, 



A^. Fore wings pale olive brown with darker markings. 



D. The dark central band broad nearly divided across by a. 



straight pale streak. S. lacimana. 



D-. The dark central band narrow and with angular edges. 



>S'. i}ri(juana. 

 D"'. Central band broad, ill-defined, almost absorbed in 



ground colour. S. mdallicana. 



1. S. micaiia, Hill. oliL-ana, Tr.^ Expanse, male | in. 

 (mm.\ Fore wings rich glossy reddish white with three 



