— 153 — 



A PRELIMINARY REVISION OF THE BOMBYCES 

 OF AMERICA NORTH OF MEXICO. 



By B. Neumcegen and Harrison G. Dyar. 



(Continued from page Ii8.) 



Family ARCTIID^. 



Synopsis of subfainilies and genera. 



Front tuberculate Cydosiinae. '' 



No accessory cell Cydosia.^ 



Accessory cell present Cerathosia. 



Front not tuberculate. 



Head prominent, tongue moderate or strong. 



Secondaries large and ample, folded, habitus lithosiform . Eubaphinae. 

 Vein 5 of secondaries faint or absent. 



Primaries long and narrow Coscinia. ~HHri- £> 



Primaries broad, trigonate ...... Eubaphe. 



Vein 5 of secondaries distinct. i/^d^^cO i.t^. oA 



Primaries broad, trigonate ...... HaploOj. , „ _ 



Primaries narrow, apices ronnded .... Utetheisa. /*<'»— >«< 



Secondaries trigonate, often disproportionately small ; primaries c< 



often pointed at apex .... Phaegopterinse. 



Vein 8 of secondaries present. '^-*' / 



Vein 7 — to of primaries stalked. 



Primaries produced at apices, secondaries subcaudate . Euverna. 

 Primaries broad, secondaries proportionate . Pareuchfetes. ^ 



Vein lo of primaries from subcostal on cell. 



Primaries broad, secondaries proportionate . . . Cycnia. 



Primaries narrow, produced at apices, secondaries smaller. 

 Vein- 8 of secondaries distinct, but not long . . Halisidota. 

 Vein 8 very short, spur like ..... Aemilia. 



Vein 8 of secondaries wanting. 

 Vein 5 of secondaries present. 



Vein lo of primaries from the subcostal . . . Eucereon. 



Vein 7 — lo on a stalk Zatrephes. -^ 



Vein 5 of secondaries wanting .... Eupseudosoma."^ 



Head more or less retracted, tongue weak or small . . . Arctiinse. -a 

 Vein 8 of secondaries wanting ...... Euerythra. * 



Vein 8 present. 



Vein 7 — lo of primaries stalked from apex of cell. 

 Median spurs of hind \.\b\x wanting. 

 Anterior tibire unarmed. 



Antennae of cf simple ..... Ecpantheria.N 



Antennae of (ij* bipectinated ..... Leptarctia. s. 



Anterior tibiae armed at tip. 



Armature a stout curved spine ; wings subdiaphanous 



blackish Alexicles. 



Armature a long curved spine, wings white , , Seirarctia. 



