160 Journal New York Ent. Soc. [Voi.. ii. 



even, broken sub-terminal line. Hind wings with a reddish shade 

 which obtains slightly on apex of primaries. Expanse, 95 mm. 

 Habitat, New Mexico [Grote.] 



Family COSSID/E. 



Synopsis of sub-fainilies and genera. 



Vein 8 of secondaries united to sub-costal by a cross-vein. 



Antennee of (^ pectinated for the basal half ; frenulum distinct, Zeuzerlnse. 



Antennae of (5 pectinated to th etip ; frenulum rudimentary, . Cossinae. 



Sexes approximate in size ........ Cossus. 



Sexes disproportionate and differently marked . . . Prionoxystus. 



Vein 8 of secondaries free from the base ..... Hypoptinje. 



Vein ir of primaries arising from the accessory cell . . Cossula. 



Vein II from the discnl cell ....... Hypopta. 



Subfamily Zeuzerin.e. 

 Genus Zeuzera Latreille. 



\Zo\- Zeuzcra Latrkille, Nouv. Diet. d'Hist. Nat., Vol. XXIV, p. 186. 

 \%22l -Latai;ia HuicBNER, Verz. bek. Schmett-, p. 196. 



Synopsis of species. 

 Fore wings covered with round blackish spots .... pyrina. 



Fore wings with blackish strigte ...... canadensis. 



C. pyrina Lin nee us. 



1 76 1 -iVocliii) /pyrina LlNN^US, Faun. Suec, p. 306. 



ij^i - F/ni/iii/a hypocastani Puda, Mus. Grace, p. 88. 



1767 -Ncclita (vsculi LiNN.tus. Syst. Nat., Vol. I (2), p. 833. 



1785 — Phalccna Ititaris Fouckoy, Ent. Paris, Vol. II, p. 306. 



1892 — Zeuzera decipiens Kikky, Cat. Lep. Het., Vol. I, p. 871. 



White, thorax with six round black spots, the two anterior 

 sometimes united ; abdomen black banded with two black spots at 

 base above. Primaries thickly covered with rounded intervenular 

 black spots. Secondaries with smaller and less distinct spots, 

 absent at anal angle. Expanse. 45 — 60 mm. 



Habitat, Europe ; vicinity of New York City. 

 Z. canadensis Herrich-Schaffer. 



1854 — Zeiizem canadensis Herrich-Scii.5;ffek, Ausser. Schmett., Vol. I, 

 f. 168. 



Thorax ochraceous, abdomen paler, more whitish ; primaries 

 white, heavily covered over the basal half below median vein and 

 outwardly centrally almost to margin with a blackish shade ; costa 

 tinged with brown. All the wings thickly covered with partly 



