188 ARGYRESTIIID.E. 



costa rather before tlie middle, tlie other reaching the costa a little be- 

 fore the apex, and between them are generally a few golden spots on 

 the costa) ; beyond is another golden fascia, which indeed occupies the 

 whole of the apex of the wing, except a small white spot on each mar- 

 gin ; cilia pale greyish-brown. Posterior wings grey, with paler cilia, 

 (riie anterior wings are sometimes so much suffused \Wth pale golden 

 that the markings are almost obliterated.) 



Common among birclies in June and July. The larva feeds 

 under the bark and in the young shoots of the birch, in March 

 and April. 



19. literella. Haw. L. B. 570 (1829); Step.; Sta. Alls anticis 

 albidis, fascia ante medium, fascia media furcata, fascia postica in apicem 

 dcsin(;nte aureis, costam non atthn/entlbiis; capillis albidis. Exp. al. 5 3- lin. 



Head whitish. Face and palpi white. Antenna3 white, annnlated 

 with fuscous. Anterior wings whitish, witii a slender golden fascia 

 from the iinier margin, not far from the base, sloping inwards, a furcate 

 fascia from the middle of the inner margin, neither reacldng to the cosfa, 

 and a third golden fascia from the anal angle, which, after reaching 

 half across the wing, is tieilectcd, and terminates in the apex of the wing ; 

 cilia pale ochreous. Posterior wings purplish-grey, with paler cilia. 



Very rare ; has been taken in Darentli AVood, in June. In the 

 collection of the British Museum, and in that of Mr. B. Standish. 



20. Brockeella, Iliib. Tin. 3G2 (181C); Treit. ; Step.; Dup. ; 

 Zell. ; Sta. — /. Jf'-ella, Haw. — Rajetla, Lin.?- — var. aurlmitella. Haw.; 

 Step. Alls anticis anreo-bnamieis, macula basali dorsi, fascia ad cos- 

 tam attennata, ante medium, macula majore ad augulum analem, macu- 

 lis(|ue tribus costa3 niveis ; capillis iiicels. Var. alis anticis dorso toto 

 niveo, fascia ac prima macula costali confluentibus. Exp. al. 5^- hn. 



Head, face, and palpi lohite. Antennae white, amiulated with pale 

 fuscous. Anterior wings shining goldeu-brown, with a spot at the 

 base on the iinier mai'gin, a fascia before the middle attenuated on the 

 costa, a large s]iot at the anal angle, and three spots on the costa (the 

 last of which is small and lies immediately before the apex) shining 

 snowy-white ; cilia greyish-brown. Posterior wings grey, with paler 

 cilia. In the variety aurivUtella, the inner margin of the anterior wings 

 is entirely white, and the fascia and first costal spot are frequently con- 

 llucnt ; intermediate specimens also occur. 



Common among birches in June and July. The larva f'(>eds in 

 the young shoots in March and April. 



21. arceuthina, Zcll. Tsis, 1839. p. 205; Sta. Alis anticis ul- 

 t'uJis viruH-rrneis ; capillis (ac thorace) niveis. Exp. al. il lin. 



Head white. Face greenish-bronze. Palpi whitish. Anteiuui^ whit(\ 

 annulated with fuscous. Anterior wings unicolorous shhi'iiKj bron-y- 

 fjree)/, with paler cilia. Posterior wings pale grey, with paler cilia. 



Not scarce among junipers, in May. 



