PERIGRAPHA. 403 



Genus PERIGRAPHA. ^ 



Type. 



Periqm.pha, Led. Noet. Eur. jd. 136 (1857) I-cincta. 



Ace'rra, Grote, Bull. Buff. Soc. Nat. Sci. ii. p. 162 (1874) normalis. 



Proboscis fully developed ; palpi oblique, the 2nd joint fringed with long 

 hair in front, the 3rd moderate, porrect ; frons smooth ; eyes large, round, 

 clothed with very long liair; antennte typically bipectinate to apes in both 

 sexes, the branches shorter in female ; head and thorax clothed with hair 

 only ; the tegulie produced upwards into a slight ridge, a ridge-like dorsal 

 crest ; pectus and legs clothed with long hair ; abdomen clothed with rough 

 hair, the 1st segment with dorsal crest. Fore wing with the apex soniewiiat 

 produced, the termen obliquely curved ; veins 3 and 5 from near angle of cell ; 

 6 from upper angle ; 9 from 10 anastomosing with 8 to form the areole ; 1 1 

 from cell. Hind wing with veins 3, 4 from angle of cell; 5 obsolescent from 

 angle of discocellulars ; 6, 7 shortly stalked ; 8 anastomosing with the cell 

 near base. 



Sect. I. Antennas bipectinate in both sexes. 



A. Fore wing with the orbicular and reniforni conjoined by 



a pale patch below cell. 



a. Tegulffi with white tips circumdiccta. 



b. Tegulae without white tips 1-c'uicta. 



B. Fore wing with the orbicular and I'cniform not conjoined 



by a pale patch below cell ... prima. 



1724. Perigraplia circumducta, (Plato LXXXIX. fig. 30.) 



Orfhosia circumdiccta. Led. Verb. z."-b. Ges. Wien, 1855, i. p. Ill, pi. i. f. 9 ; 

 Staud. Cat. Lep. pal. p. 2U0. 



d . Head and thorax chocolate-brown mixed with grey ; frons 

 with whitish bar above ; antennae whitish ; tegulee edged with 

 white ; abdomen rufous mixed with grey. Fore wing with the 

 basal and terminal areas pale pinkish brown with slight dark 

 irroration ; the medial area chocolate except the costal and inner 

 areas, which are grey irrorated with fuscous ; a whitish subbasal 

 line from costa to submedian fold defined by fuscous ; a fine pale 

 antemedial line excurved below costa, then running obliquely with 

 an inward curve to above inner margin, where it is angled ; 

 orbicular and reniform very large, brownish white defined by white, 

 the former rather oblique oblong, the latter extending to far 

 below cell, angled at middle and truncate at lower extremity, and 

 both conjoined to a large similar semicircular patch below the cell ; 

 postmcdial line pale, excurved from costa to vein 4, then oblique, 

 defined on outer side by some grey and fuscous irroration ; a series 

 of small fuscous spots on termen. Hind wing yellowish suffused 

 with dark brown ; the underside pale irrorated with brown, with 

 dark discoidal spot and traces of sinuous postmedial line. 



Hah. S. Russia, Sarepta ; W. Siberia, Altai ; W. Turkestan, 

 Turcomania, 1 J , Tarbagatai ; E. Turkestan, Hi. Exp. 50 

 millim. 



21)2 



