302 HAUSTELLATA. — LEPIDOPTERA. 



common, very considerably waved and somewhat confluent, insequidistant 

 rufo-luteous strigae ; less numerous on the posterior wings ; cilia with a ful- 

 vescent cloud in the middle of the hinder margin of all the wings. 



Less common than the last, but not unfrequent in Darenth and 

 Birch Woods, and near Dover, Hertford, and Ripley. " Epping." 

 —Mr. Douhleday. " Flisfe, N. V>:'—Rev. J. Flerrmig. " Strand- 

 on-the-green." — Rev. A. H. Matthews. " Newcastle." — G. Walks, 

 Esq. 



Sp. 16. heparata. Alis anticis pallide lutescentibus, strigis cortfluentibuslimboque 

 hepatice-fuscis, posticisfuscis. (Exp. alar. 1 unc— 1 unc. 1 lin.) 



Ge. heparata. Wien. Verz. — Em. heparata. Steph. Catal. part ii. p. 149. No. 

 6702. 



Anterior wings pale or dull lutescent, with two somewhat contiguous, or con- 

 fluent, fuscescent strigse behind the middle, a little waved towards the costa, 

 and sometimes nearly obliterated ; the hinder margin dull-brown, immaculate : 

 posterior wings fuscous, obsoletely angulated ; all with the cilia pale luteous, 

 spotted with fuscous. 



Caterpillar grass-green, with two whitish lateral stripes and two white spots on 

 each segment 5 head spotted with black: it feeds on the birch (Betula alba) : — 

 the imago is found in June. 



Rather scarce : found in the beginning of July near Coombe, 

 and at Darenth and Ripley. 



Genus CCXXXIII. — Strenia, Duponchel. 



Palpi short, depending, densely clothed with scale-hke hairs, triarticulate ; the 

 basal joint curved, not very robust, rather longer than the second, which is 

 short, elongate-ovate ; terminal also elongate-ovate, acuminate : maxillce rather 

 long. AntennoE simple in both sexes, short, very slender, sUghtly pubescent 

 within in the males : head small ; forehead slightly prominent : ei/es globose : 

 thorax slender: wings forming a triangle during repose, all marked with 

 longitudinal and transverse lines ; the anterior with the hinder margin slightly 

 repanded ; posterior obsoletely angulated in the middle, and a little indented : 

 body short, very slender in the males, with a small anal tuft; stouter and 

 obtuse in the females ; in both sexes carinated down the back, and annulated 

 with white : legs simple ; posterior tibicB rather short, with two pair of spurs 

 in both sexes. 



This forms part of the genus Hercyna of my Catalogue, since 

 published by Duponchel with the above name, which I have 

 adopted : its singularly reticulated wings at once point out its dis- 



