212 LLOYDS NATURAL HISTORY. 



FAMILY AMPHIDASYD^. 



Antennae pectinated or plumose in the male, and simple in 

 the female ; proboscis and palpi very short, or wanting ; body 

 very stout and woolly ; female frequently apterous, or with 

 rudimentary wings. 



Larva long and smooth, with ten legs, living openly on trees. 

 Pupa subterranean. 



These moths much resemble Bomhyces in appearance. 

 They are single brooded, and appear in early Spring, and fly 

 at night. 



GENUS ITIIYSTA. 



Hhysia, Hiibner, Verz. bek Schmett. p. 319 (1822?). 

 Nyssia, Duponchel, Lepid. France, vii (2), p. 283 (1S29); 

 Guen^e, Spec. Gen. Lepid. Uran. et Phal. i. p. 198 (1857). 



The male has strongly plumose antennae, and a stout body, 

 while the wings are oblong, entire, and semi-transparent; those 

 of the female are rudimentary. The larva is long and cylindrical, 

 and the pupa subterranean. 



THE BELTED BEAUTY. ITHYSIA ZONARIA. 



Geometra zonaria, Denis & Schiffermiiller, Syst. Verz. Schmett, 

 Wien. p. 100, no. 5 (1776); Esper, Schmett. v. p. 190, 

 Taf. 34, figs. 1-5 (1795?) ; Hiibner, Eur. Schmett. v. fig. 

 179 (1800?), fig. 511 (1818). 



Amphidasis zo^mria, Treitschke, Schmett. Eur. vi. (i), p. 251 

 (1827). 



Nyssia zonaria, Stephens, 111. Brit. Ent. Haust. iv. p. 391 

 (1835); Curtis, Brit. Ent. xiii. pi. 615 (1836); Buckler, 

 Larvae of Brit. Lepid. vii. pi. no, figs, i-i l> (1897). 



Biston zonai'ia^ Kirby, Eur. Butterflies and Moths, p. 332, 

 pi. 46, fig. II (1882). 



