ASTKRORCorus] CAEADRIXIDAE 57 



slig-ht. Antennae in (^ bipectinatcd to apex. Palpi densely 

 hairy thvonghout. Thorax without distinct crest. Abdomen 

 not crested. Anterior tibiae with strong' horny apical hook. 



Besides the following, a species from NE. Asia has been 

 referred to this genus. 



First and second lines distinct . .1. 7iuhecuIosus. 



„ ,, obsolete . . .2. sjihinx. 



1. A. nubeculosus, Esp. 40-45 mm. Fore wings pale brownish 

 mixed with whitish and mvich sprinkled with black ; veins 

 mai'ked with blackish ; first, median, and second lines dark 

 fuscous ; reniform whitish, black-edged, enclosing two dark 

 mai-ks ; claviform, oval, black-edged. Hindwings wliitish- 

 fuscous, with dark fuscous discal spot and terminal dots. 



Perth, local ; C. Europe ; 3, 4. Larva pale yellow-green 

 deeper laterally ; tubercular dots pale yellow ; an oblique 

 lateral streak on 4, and transverse streak on 12 yellow; legs 

 more or less red : on birch ; 5, 6. The larva habitually rests 

 with the anterior segments strongly thrown back over the body, 

 and tlie legs outspread. 



2. A. sphinx, Hufn. (cassmea, Hb) 37-40 mm. Forewings 

 whitish-ochreous, suffused with whitisli and mixed with pale 

 brownish ; veins partly black posteriorly ; a rather long black 

 median dash from base ; lines fuscous on costa ; subterminal 

 dentate, whitish, edged by blackish interneural dashes. Hind- 

 wings whitish, partly fuscous-sprinkled ; a round fuscous discal 

 spot. 



England, rather common; C. Europe; 10, 11. Larva pale 

 green ; dorsal and subdorsal lines whitish, latter connnencing on 

 5; spiracular yellow-whitish, brown-edged above; 12 with 

 slight prominence : on oak, elm, hawthorn, etc. ; 5, 6. 



8. Aporophyi.a, (t>i. 



Face with rounded horny prominence; eyes glabrous, ciliated. 

 Antennae in ^ bipectinated or dentate, towards apes simple. 

 Thorax with slight anterior and posterior crests. Abdomen not 

 crested. 



Only one other European species is known. 



1. Forewings with black median basal dash . 1. ausfralis. 



,, without l)lack basal dash . . 2. 



2. Forewings with veins pale . . 4. /»ho.w. 



,, ,, not pale . . .3. 



3. Posterior edge of reniform whitish-ochreous 3. nir/rir. 



„ ,, ,, not whitish-ochreous 2. Ixtxienta. 



