NO. 1412. 



SOME JAPANESE LEPIDOPTERA—DYAR. 



951 



on joints O to 1<>, but less extensive!}", beino- dorsal only and smaller. 

 Tubercles i of joint 12 approximate, elevated, pointed. A blade shade 

 about the spiracle on joint 5. Feet normal, concolorous, black lined. 

 1 have been unable to consult the original tigure" and there exists 

 no subsequent description; conse- 

 <{uently the identitication is in some ^'■'s*-- ^i^li 



doubt. Mr. Nawa's name, Opfltnl- 

 nwdrs eretaceo Butler, is obviousl}' 



Fig. 15.— Phthonosema tendinosa- 

 ria, larva. 



Fig lb —Phthonosema tfndinos^ria 



ADULT. 



incorrect, since this is synon^nuous with the European Ascoth- sele- 

 naria Schiffermiiller.^ 



ACANTHOCAMPA, new genus. 



Male antenna^ lengthil}' bipectinate, the pectinations decumbent; 

 of female simple. Palpi not exceeding- the frontal hairs, porrect, 

 hairy ])elow. Front with a large, three sided prominence above, 

 pointed and slightly ridg-ed on the angles, largely covered b}" the ves- 

 titure. A tuft of scales on vertex of head; thorax densel}' hairy; 

 abdomen smooth, short, rolnist. Legs with long hair posteriori}' ; 

 hind tibise with four spurs, not swollen. In the fore-wing vein 2 

 before angle of cell, 3-1 stalked, 5 above the middle of the very broad 

 cell, 6 below apex, 7 out of 8, 8 out of 9 near ;ipex, 10 absent, prob- 

 ably coincident with 11; wing long and narrow, costa slightly con- 

 cave, outer margin convex, very oblique, a little crenulate. Hind 



FlH. 17.— ACANTHOCAMPA EXCAVATA, 

 LARVA. 



Fig. 18. — Acanthocampa excavata, adult. 



wings Avith vein 2 before the angle of the cell, 3—1 stalked, 5 absent 

 but with a slight projection on the margin, 6-7 long stalked, 8 very 

 strong, running close to 7, ending in the costa soon after end of cell; 

 wing narrow, costa concave in both sexes, outer margin long, convex, 

 crenulate, the most distinct projection at end of vein 6. 



« Bremer, Lep. Ost.-Sib., 1864, p. 73, pi. vii, fig. 17. 

 ^Swinhoe, Cat. Lep. Oxf., II, 1900, p. 289. 



