182 ARGYRESTHID.E. 



There is considerable similarity among the species, but they 

 may be arranged in the following table : — 



u. Anterior wings with a white streak along the inner luarghi, inter- 

 rupted in tlie middle. Species 1-10. 

 a a. Anterior wings with no dorsal streak (a variety of Species 20 ex- 

 cepted). 



b. Anterior wings witli numerous fuscous spots, and with a transverse 

 blotch on the disc, or fascia, beyond the middle. Sp. 11, 15, 16. 

 b h. Anterior wings without spots. 



c. AVith no fascia near the base. Species 14. 

 c c. With a fascia or fascia-form blotch, near the base. Species 

 17-20. 

 b b b. Anterior wings of a marbled appearance. Species 12, 13. 

 b b b b. Anterior wings nnicolorous. Species 21-23. 

 b b b b b. Anterior wings white, with two dark streaks from the base. 

 Species 2'!, 



(p^-y^ 1. ephippella, Tab. G. I. 297 (1776); ^ia.—Pnmiella, Hiib. 



'' Tin. 175 ; Treit. ; Dup. ; Zell. ; Linn.? — tetrapodella, Step. — comella, 



L C Scop. ? Alis anticis ochreo-brututeis, dorso albo, pone medium fascia 



snbobUqnn saturate fusca interrupto, strigulis tribus costaj apicem versus 



albis. Exp. ah 5^ lin. 



Head, face, and palpi white. Antenna? white, annulated with dark 

 fuscous. Anterior wings oclircous-brown, with the inner margin white, 

 interrupted beyond the middle by a dark brown, nearly perpendicularly 

 placed spot, which can be traced rntlier obUquehj across the wing as a 

 fascia, teniunatbif/ on the costa ; beyond it the inner margin is whitish 

 to the anal angle, and on the costa arc three small white spots : cilia 

 greyish-brown. Posterior wings grey, with paler cilia. 



Common in the south of England, but more abundant in the 

 north; frecjucnting gardens and hedges in June and July. IMr. 

 Logan has bred it from larvae feeding in the shoots of the 

 cherry. 



2. nitidella. Fab. Man. ii. 241. 12 (1787); Zell.; Sta. ; W. V.? 



— I'nini, Haw. — Pnoik'Ila, Step. ; W. V.? — tclrapodella, Linn. ? — cur- 



/f\-b-- ivV/r/, Zett. ?■ — -var. os.syy/. Haw. ; Step. Alis anticis (///«^'«.s77«t' ochreo- 



. . brunneis, stria ex medio baseos saturatiorc, dorso albo, fascia ct/rva(a 



\t\'ljL- '^ saturate brunnea in apicem daefa \wnc medium interrupto, strigulis 



, ( tribus costa' apicem versus albidis. Exp. ah 5i lin. 

 (K-X^l^lu ^'ii'- -^I's anticis lacteis, dorso niveo, stria basali, macula([uc dorsali 

 obsoletis. 



Head, face, and palpi white. Antenna^ white, ainndated witli dark 

 fuscous. Anterior wings very pale ochreous-brown, with a darker 

 streak from the middle of the base ; the inner margin is white, inter- 

 rupted beyond the middle by a cnrvcd dark hrown fascia, icJtivh termi- 

 nalcs in the apex of the wiuf/ ; above it arc two or throe small whitish 



