HEPIALIDAE 



799 



It is probably of Indo-Malajan origin, and niust have existed 

 in that region long enough to acquire fixity of type before its 

 dispersal, which, geologically speaking, may not have been 

 exceedino-lv remote. 



1. Hepialus, F. 



Antennae i-j, in S lamellate or simple, 

 ing, hairy. Posterior tibiae 

 usually densely rough-haired, 

 in $ sometimes with long pro- 

 jecting tuft above. Fore- 

 wings : 7 from angle, 8 

 remote, 9 and 10 stalked. 

 Hindwings as forewings, 8 

 seldom connate or stalked 

 with 7. 



A genus of universal dis- 

 tribution, but not very 

 numerous in species. Ovum 

 S2:)heroidal, smooth. Larva 

 elongate, active, subter- 

 ranean, feeding on roots, 

 often living two years. Pui)a 



Palpi short, droop- 



Neuration of Hepialus hiirmili . 

 leg of S- 



a, posterior 



sul)terranean, with segmental whorls of spines, enabling it to 

 move actively and rise to the surface l)efore emergence. 



1. Forewings with two series of yellowish-silvery spots 



1 . hectus S ■ 

 ,, without such spots . . .2. 



2. ( 'ilia conspicuously barred . . 3. velleda. 



,, not barred . . . . .3. 



3. Hindwings towards apex reddish-tinged . 4. sylvimis. 



,, not reddish-tinged . . .4. 



4. Forewings pale yellow-ochreous or white . 5. huinuli. 



,, brownish-ochreous or fuscous . . H. 



5. Fasciae of forewings pale fuscous . . 1. hectus $ . 



,, ,, whitish or obsolete . 2. lupulinus. 



1. H. hectus, Z. 2G-30 mm. Antennae in (^ simple. Posterior 

 tibiae in $ short, much swollen, with dense tuft of hairs, 

 posterior tarsi in $ absent. Forewings in $ deep reddish- 

 golden -ochreous, with a basal spot, antemedian series of four 

 adjacent spots not reaching costa, postmediau irregular inter- 

 rupted series of about ten spots, and sometimes some small 

 terminal spots yellowish-silvery ; in ^ fuscous, with pale fuse- 



