

12 LEPIDOP IKK \ HETEROCERA 



3. Genus MARMARA, Clemens 



Marmara. Clemens, Proc. Ent. Soc. Philad. Vol. 2. p. 6(i863). — Tj'pe : M. salictella, ( lemens. 



Characters. — Head smooth. Antenna; four-fifths to one, basal joint thick, with slight pecten. 



Labial palpi moderately long, porrected, slender, with appressed scales, pointed. Maxillary palpi 

 moderate, porrected. loosely scaled b wards tip. Posterior tibiae smooth-scaled. Forewings lanceolati ; 

 3 absent, 4 absent, 6 absent. 8 absent, n absent. Hindwings about one-half, linear-lanceolate, cilia 4: 

 3 absent, 4 absent, 5 and 6 stalked. 



Correlated to LUhocolletis , but distinguished by the smooth head. 



Imago in repose sitting with forepart somewhat raised. 



Larva flattened, deeply incised, segment 2 broadest, thence tapering posteriorly, legs and pro 

 little developed; mining galleries beneath cuticle of twigs or in leaves. 



Pupa outside the mine in a cocoon ornamented with frothlike globules, an unique characteristic. 



Foodplants (known for all 5 species) diverse, viz. Ericaceae. Legitminosae, Caclaceac. Salicaceac, and 

 Liliaceae. 



Geographical distribution of species. — Confined to North America. 



1. M. arbntiella, Busck. Proc. U. S. Nat Mus. Vol. 27. p. 772 (1904). \. America. 



2. M. salictella, Clemens, Proc. Ent. Soc. Philad. Vol. 2. p. 7 (i863). — X. America. 



Plate, Fig. 15. 



3. M. guilandinella. Busck, Proc U. S. Nat. Mus. Vol. 23. p. 240 (1900). N. America. 



4. M. opuntiella. Busck. Proc. Ent. Soc. Wash. Vol. 9, p. 97 (1907). X. America. 



5. M. smilaciella, Braun, Ent. News, Philad. Vol. 20, p. 432 (1909) (smilaci- X. America. 



sella). 



4. Genus LEUCANTHIZA, Clemens 



Leucanthiza. Clemens. Proc. Acad. Nat. Sc. Philad. p. 327 (1859). — Type : L. amphicarpeifoliella, 

 Clemens. 



Characters. -- Head looselv rough-haired on crown, face smooth Antennas 1, basal joint 

 hardly thickened. Labial palpi short, slender, drooping. Maxillary palpi rudimentary. Posterior tibia- 

 with appressed scales. Forewings lanceolate: 3 absent, 4 absent, 11 absent. Hindwings about one-half, 

 narrow-lanceolate, cilia 4; 3 absent, 4 absent, 5 and 6 stalked. 



Intermediate between Parectopa and Lithocolletis. 



Larva flattened, deeply incised, tapering posteriori}', legs and prolegs not well developed ; mining 

 a blotch in leaves. 



Pupa outside the mine in a cocoon. 



Foodplants Leguininosae. 



Geographical distribution of species. — Confined to North America. 

 1. L. amphicarpeifoliella, Clemens, Proc. Acad. Xat. Sc. Phil. p. 327(1859) N. America. 

 (amphicarpeaefoliella). — Plate, Figs. 29a, b. 



saundirsella :, Chambers, The Canad. Entom. Vol. 3, p. 2o5 (1S71). 



5. Genus SPANIOPTILA, Walsingham 



Spanioptila. Walsingham, Proc. Zool. Soc. Lond. p. 148 (1897). — Type : 5. spinosa, Walsingham. 



Characters. — Head smooth. Antennas over i, basal joint with slight pecten. Labial palpi long, 

 slender, drooping, curved, terminal joint shorter than second. Maxillaiy palpi moderate, filiform, 



