lYI 



190 ARGYRESTUID.E. 



plex ; subdorsalis simplex ; posteriores : vena a])icalis ante apicem 



exit, infra earn vena sim]:)lex, ct vemc alteiTC dure simplices e venula 



transversa. 



Head rougl), the face smooth. Antennfc shorter than the anterior 

 wings, with distinct joints, the basal joint elongate and thickened. 

 Tongue none. Labial palpi ratlier short, thickened, hairy. Wings with 

 long cilia, the anterior elongate, the posterior lanceolate. In the ante- 

 rior wings six or eight veins proceed from the hinder portion of the 

 discoidal cell ; the apical vein is simple ; the subdorsal vein is simple. 

 In the posterior wings the simple apic;d vein terminates above the apex ; 

 below it is a simple vein, and two other simple veins from the trans- 

 verse vein. 



Only two species arc known in tins genns ; they frccpient fir- 

 trees in tlie middle of snmmer; in repose they sit appressed to 

 the surface on which they rest. 



1. farinatella (ZelL), Dup. L. F. xi. 473. pi. 305. f. 11 (1838) ; 

 F. V. E. pi. 74. f. 4; ZelL; ^i^. — suhfaHcldla, Step.? Alis anticis 

 albido-griseis, fusco-pulveratis, fascia ante medium, ncbulaque postica 

 fusris. Exp. al. 5| lin. 



Head whitish-grey, with some darker hairs in fj'ont. Face and ]")alpi 

 grey. Antennae white, annulated with fuscous. Anterior wings whitish- 

 grey, much irrorated witii fuscous, with af/iscoiishsc'vd before the mid- 

 dle, followed by a whitish fascia of the nndusted ground-colour; the 

 remainder of the wing is nearly entirely /«.sco«s, except a whitish spot 

 on each margin before the apex ; cilia greyish-white. Posterior wings 

 rather broad, pale grey, with paler cilia. 



Common among fir-trees in June and July. Illustrations of 

 the transformations of this species are promised in the forthcoming 

 number of Mr. Logan's ' Illustrations of Scottish Lepidoptera.' 



3. Gysselinella (Knhl.), Dup. L. F. xi. 461. pi. 305. f. 4 (1S38). 

 — G>/.s-setei/ielta, F. v. II. pi. 74. f. 3 ; Zell. ; Lienig ; Sta. Alis anticis 

 albido-griseis, griseo-pulveratis, fascia lata ohsoleta basali, fascia dis- 

 tinctiore ante' medium, nebnUsque posticis dilute aureo-brunneis. Exp. 

 al. 5| lin. 



Head whitish-grey. Face antl palpi white. Antcnnro whitish, with 

 pale fuscous annnlations. Anterior wings whitish-grey, dusted with 

 grey, with a rather iiididiuct pale golden-hrown fascia near the base, and 

 another more defined just before the middle, and some pale golden- 

 brown blotches beyond the middle and at the apex ; cilia greyish-fus- 

 cous. Posterior wings jialc grey, with paler cilia. 



Occurs among lir-trees in June and July. The only British 

 s])ccimen 1 have seen is in Mr. Allis's collection; it was taken by 

 Mr. Weaver. 



