530 BRITISH LEPIDOPTERA. 



M. azteca, Neum. . . . . . . . . Mexico. 



M. ? bilineata, Mab Senegambia. 



M. ? subfasciata, Klug Alexandria. 



Malacosoma castbensis, Linne. 

 Synonymy. — Species : Castrensis, Linn., " Sys. Nat.," 10th ed., p. 500, no. 20 

 (1758) ; 12th ed., p. 818, no. 36 (1767) ; Hufn., " Berl. Mag.," ii., p. 402, no. 10, 

 p. 433 (1766) ; Fuessly, " Verz.," p. 34 (1775) ; " Neu. Mag.," ii., p. 335, no. 147 

 (1785) ; hi., pp. 148, 157 (1786) ; Fab., " Sys. Ent.," p. 568, no. 43 (1775) ; " Sp. 

 Ins.," p. 181, no. 59 (1781) ; "Mant.," ii., p. 115, no. 71 (1787); "Ent. Sys.," hi., 

 p. 432, no. 80 (1793) ; 'Scruff., " Sys. Verz.," p. 57 (1776) ; Goze, " Beit.," p. 317 

 (1781) ; Esp., " Schmett. Eur.," hi., p. 147, pi. xxviii., figs. 1-7 (1784) ; VilL, 

 "Linn. Ent.," p. 134 (1789) ; View., " Tab. Verz.," i., p. 37 (1789) ; Bork., " Sys. 

 Besch.," hi., p. 107, no. 29 (1790) ; " Bhein. Mag.," L, p. 369, no. 227 (1793); Brahm, 

 " Ins. Kal.," p. 337 (1791) ; Hb., " Eur. Schmett.," hi., p. 145, pi. xl., figs. 177, 

 178 (? 1800); "Larvae Lep.," hi., Bomb. Q. a.b. figs. 2a-b (? 1805); Sehrk., "Fauna 

 Boica," ii., Abth. 1, p. 279, no. 1466 (1801) ; Abth. 2, p. 155, no. 16 (1802) ; Latr., 

 " Genera, &c„" p. 219 (1809) ; Ochs., "Die Schmett.," hi., p. 294 (1810) ; Godt., 

 " Hist. Nat.," iv., pp. 142, 376, pi. xiii., figs. 5-6 (1822) ; Curt., " Brit. Ent.," v., 

 expl. pi. 229 (1828); "Guide," p. 142 (1829); Stphs., "Illus. Haust.," ii., p. 48 

 (1828); " Cat. Brit. Ins.," p. 48 (1829) ; "List Br. An. Br. Mus.," v., 1st ed., p. 

 47(1850); 2nd ed., p. 44 (1856); Meig., "Eur. Schmett.," ii., p. 206(1830); 

 Wood, " Ind. Ent.," no. 51 (1839) ; Bdv., " Gen. et Ind.," p. 69, no. 564 (1840) ; 

 Zett., " Ins. Lapp.," p. 926 (1840) ; Dup., " Cat. Lep. Eur.," p. 75 (1844) ; 

 H.-Sch., " Sys. Bearb.," ii., p. 105(1847); Humph, and Westd., " Brit. Moths," 

 2nd ed., p. 54, pi. x., figs. 9-10 (1851); Frr., "Neu. Beit.," L, p. 100., pi. 1 (1833); 

 Sta., "Man.," i.,p. 156(1857); Hein., " Schmett. Deutsch.," p. 209 (1859); Humph., 

 "Gen. Brit. Moths," p. 26 (1860); Bbr., "Cat. Lep. And.," p. 346 (1866); Snell., 

 " De Vlinders," p. 189 (1867) ; Nolck., "Lep. Fn. Est.," p. 127(1868); Wallgrn., 

 " Skand. Het.," ii., p. 80 (1869) ; Newm., " Brit. Moths," p. 42 (1869); Staud., 

 "Cat.," p. 68 (1871); "Hor. Soc. Ent. Boss.," xiv., p. 356 (1877); "Iris," 

 v., p. 352 (1892) ; Chris., " Hor. Soc. Ent. Boss.," x., p. 36 (1873) ; Bang-Haas, 

 " Nat. Tids.," (3), ix., p. 411 (1874); Mill., " Cat. Lep. Alp.-Mar.," p. 192 (1875); Curo, 

 "Bull. Soc. Ent. Ital.," viii., p. 149 (1876) ; Frey, "Lep. der Schweiz," p. 95 (1880); 

 Lampa, "Ent. Tids.," vi., p. 41 (18S5); Buckl., "Larvae, &c," hi., pi. 1., figs. 1, 

 1«, lb, lc (1888) ; Auriv., " Nord. Fjar.," p. 62 (1889) ; " Iris," vh., p. 139 (1894) ; 

 Kirby, "Cat.," p. 838 (1892) ; Carad., "Iris," viii., p. 90 (1895) ; Meyr., "Hand- 

 book," p. 322 (1895) ; Tutt, "Brit. Moths," p. 59 (1896) ; "Proc. Sth. Lond. Ent. 

 Soc," pp. 1-11 (1898); Barr., "Brit. Lep.," hi., p. 17 (1896); Dyar, " Can. Ent.," 

 xxx., pp. 4, 6 (1898); Grote, "Illus. Zeits. fur Ent.," hi., p. 70 (1898); Beutti, 

 " Lep. Baden," 2nd ed., p. 57(1898). Neustria var. /3, Linn., "Faun. Suec," 

 p. 292, no 1102 /3 (1761). Castroism, Haw., " Lep. Brit.," p. 128, no. 86 (1803). 



Original description. — Phalaena (Bombyx) elinguis, alis reversis 

 griseis : strigis duabus pallidis ; subtus imica. [•' Fn. Suec," 831 ; 

 Frisch, " Ins.," 10, t. 8 ; Eoes., " Ins.," 4, t. 11 ; De Geer, " Ins.," 

 1, t. 13, figs. 4-6.] Habitat in Salicibm, Pilosella, Jacea, Alchemilla, 

 Euphorbia, polyphaga, pascitur sub tela, gregaria, migratque saepius 

 novo tentorio; ova, more praacedentis {neustria'), in annulos conferta 

 circum arborum ramulos. Larva pilosa, maculata (Linne, Syst. Nat., 

 xth ed., p. 500). To this Linne adds : " Fn. Suec," ii., no. 1102. 

 He also modifies his description of the habits omitting" arborum," so that 

 the eggs are laid " in annulos conferta circum ramulos," and says, " Haec 

 frequens in Suecia, duplici colore occurrit, eadem tamen, diversa a 

 prascedenti, cum ilia arborea, hasc terrestris. Larva pilosa, subca?rulea 

 lineis utrinque 2 lateralibus ferrugineis approximatis et dorsali 1 

 utrinque, lata nigro maculata ; abdomen albo utroque maculatum ; 

 caput cinereum. Alarum fascia? duae, absque puncto " (Syst. Nat., 

 xiith ed., p. 819). 



Imago. — Anterior wings pale ochreous with a brownish transverse 

 basal streak that fails to reach the inner margin, but curves round to 

 the thorax, a second transverse line just outside the centre, and beyond 



