56 LEPIDOPTKRA HETRROCEKA 



Geographical distribution of species. — North Ainerican. 

 Larva feeding gregariously in a common web amongst leaves. 

 Foodplants ComposHae. 



I. S. liuosyrma, Walsingham, 111. Het. Brit. Mus. Vol. 4, p 24, pl. 65, N. America. 

 f. y, 10 (1879) [lynosyratia). — Pl. 4, Fig. 58. 



72. Genus AMORBIA, Olemens 



Amorbia. Clemens, Proc. Acad. Nat. Sc. Philad., p. 352 (i«6o). — Type : A. humerosana, Clemens. 

 Hendecastema. Walsingham, 111. Het. Brit. Mus. Vot. 4, p. 4 (1879). — T3'pe : A. ciineana, Walsingham. 

 Ptychamorbia. Walsingham, Proc. Zool. Soc. Lond. p. 497 (1891). — T\pe : A. exustana, Zeller. 



Characters. — Antennae in o< ciliated. Palpi moderate, porrecled, second joint deiiselv trian- 

 gularly scaled, terminal joint short. Thorax without crest. Forewings sometimes with costal fold, surface 

 with slight lines of raised scales: 3 from angle, 7 in cf absent, in 9 stalked with 8, to termen. Hind- 

 wings with slight basal pecten ; 3 and 4 stalked, 5 approximated. 6 and 7 connate. 



Remarlts. — A development of Spargaiiothis. 



Geographical distribution of species. — .\merican. 

 Larva feeding in rolled and spun leaves. 

 Foodplants indiscriminate. 



1. A. emigratella, Busck, Proc. Ent. Soc. Wash. Vol. 11, p. 201 (1909). C. America, Hawaiian Is- 



2. A. exustana. Zeller, Stett. Ent. Zeit. Vol. 27, p. 144, pl. i. f. 6(1866). S. America. [lands. 



colubiiina. Zeller, ibidem, )). 145 11866). 



3. A. catenana, Walsingham, Proc. Zool. Soc. Lond. p. 498 (iSgi). W. Indies. 



4. A. cuueana, Walsingham, 111. Het. Brit. Mus. Vol. 4, p. 4, pl. 61, f. 8-10 N. America. 



(1879). 



5. .4. humerosana, Clemens, Proc. Acad Nat. Sc. Philad. y). 352 (1860). — N. America. 



Pl 2, Fig. 28. 



73. Genus SPARGANOTHIS, Hubner 



Sparganothis. Hiibner, Syst. Verz. Schmett. p. 386 (1826). — Type : S. pilleriana, SchiffermuUer. 

 CEnophthera. Duponchel, Cat. Lep. Eur. p. 288 (1844). — Type : S. pilleriana, Schiffermiiller. 

 GEnectra. Guenee, Eur. Microlep. Ind. p. 8 (1845). — Type : 5. pilleriana, Schiffermiiller. 

 Platynota. Clemens, Proc. Acad. Nat. Sc. Philad., p. 347 (1860). — Type : 5. sentana, Clemens. 

 Begunna. Walker, List Lep. Het. Brit. Mus. Vol. 27, p. 189 (i863). — Type : 5. xanthoidts, Walker. 

 Leptoris. Clemens, Proc. Ent. Soc. Philad. Vol. 5. p. 139 (i865). — Type : S. xanthoides, Walker. 

 Cenopis. Zeller, Verh. Zool.-bot. (jes. Wien. Vol. 25, p. 2^9 (1875. — Type : S.petlitana, Kobinson. 

 Cerorrhineta. Zeller, Hor. Soc. Ent. Ross. Vol. i3, p. 116 (1877). — Type : 5. calidana, Zeller. 



Characters. — Tongue short or rudimentary. Antennae in cf ciliated. Palpi very long.porrected, 

 second joint inore or less shortly rough-scaled, diminishing to apex, terminal joint moderateh' long or 

 rather short. Thorax without crest. Forewings sometimes with costal fold, surface with slight transverse 

 lines of raised scales ; 3 from angle, 7 and 8 stalked, 7 to termen. Hindwings with basal pecten; 3 and 

 4 closely approximated or connate, 5 approximated, 6 and 7 closely approximated at base (rarely 

 short-stalked). 



