LEPIDOPTERA HETEROCERA. 545 



8. Plutella TRICHONELLA. 



9. Plutella semitessella. 



Genus 3. THERISTIS. 



tricbonella, Mn. 

 Amasia. 



semitessella, Mn. 

 Amasia. 



Theristis, Hb. 



1. Theristis caudella. 



caudella, L. — Panzerella, Dn. — cultrella, Hb. — acinacidella, Hb. 



a — d. England. From Mr. Bouchard's collection. 

 e—h. England. 



2. Theristis exci sella. 



excisella, Ld. 



Genus 4. CEROSTOiMA. 



Ypsolophus, F. — Cerostoma, Ltr. — Hvpsolopha, Hb. — Harpipterix, 

 Hb.— Abebaea, Hb.— Oxybelia, Hb. 



Europe. 



1. Cerostoma asperella. 



asperella, L. — Clairvellela, F. — falcatella, Dn. 



a, b. England. 



c, d. Europe. From M. Becker's collection. 



2. Cerostoma scabrella. 

 scabrella, L. — bifissella, W. V.— pterodactylella, Hb. 

 a—c. England. From Mr. Chant's collection. 

 d—j. England. 



3. Cerostoma horridella. 

 horridella, TV.— felcella, &.— subfalcatella, Ct. 

 a. England. From Mr. Chant's collection. 

 6— g. England. 



