268 HAUSTELLATA. — LEPIDOPTERA. 



tocjue interjecto fuscis, strigdque posticd pallida, p)Osticis strigis diiahus pattidis 

 interiore intus nigra adrMtd. (Exp. alar. 1 unc. 8 ? lin.) 

 Ge. operaria. Hubner. — Ch. operaria. Curtis, iii. pi. 105. Steph. Catal. part ii. 

 j3. 144. No. 6621. 



" Dull gray, variegated and tinged with pale ochre, glossy. Antennse dull fer- 

 ruginous : thorax and abdomen gray, sprinkled with whitish scales, the latter 

 darkest at the edges of the segments : wings rather narrow, anterior dark 

 gray, irregularly variegated with white scales, an obscure transverse curved 

 fascia (striga) towards the base, another beyond the middle, parallel to the 

 posterior margin, sinuated ; and a pale indented one near the same margin : 

 seven minute black dots at the base of the cilia, and a large obscure one near 

 the middle approaching the costa : posterior wings with a sinuated obscure 

 fascia (striga) near the centre, pale at the external edge, and a paler one 

 nearer, parallel with the margin, upon which there are a few black spots, and 

 a larger very obscure one between the fascia and the base." — Curtis, I. c. 



This species seems to depart from the genus; but not having a 

 specimen, I am compelled to remain silent upon its distinctions- 

 All the examples hitherto captured of this species I believe have 

 occurred in Scotland towards the end of July. " Flisk, N. B." — 

 Rev. J. Fleming. 



Genus CCXX. — Pachycnemia * mihi. 



Palpi rather long, approximating in form of a beak, subclavate, acute, densely 

 squamous, the scales elongated on the basal joints; triarticulate, basal joint 

 elongate, slightly curved at the base, attenuated to the apex; second rather 

 shorter, also a little attenuated at the apex ; terminal short, ovate : viaxillce 

 very long. Antennce short, the articulations shghtly produced within in the 

 males, and a little pubescent, simple in the females : head small ; forehead 

 prominent, somewhat globose : eyes large : thorax slender : wings entire j 

 anterior elliptic, with very obsolete markings; posterior ample, oval: abdomen 

 rather long, curved, slender, acute at the apex and very slightly tufted in 

 both sexes : legs short ; posterior tibice thickened and dilated. 



From all the foregoing genera Pachycnemia differs by the elliptic 

 form of the anterior wings, and from Chesias by the robustness of 

 the posterior tibise, exclusively of other characters. One species 

 only is known, which frequents poor and arid heaths. 



Ua-^v;, crassus ; xr/i/^n, tibia. 



