CRYPTOBLABESl PHYCITIDAE 381 



horny apical hook. Labial palpi rather long, curved, ascending, 

 with appre.ssed scales, terminal joint moderately long, pointed. 

 Maxillary palpi short, loosely scaled. Forewings : 4 and 5 

 approximated. Hindwings : cell hardly reaching h, 4 and 5 

 approximated, 7 anastomosing with 8 to middle. 



Includes only the single species. Imago with forewings 

 narrow, costa slightly arched. 



1. 0. bistriga, Hw. 17-19 mm. Forewings fuscous, veins 

 broadly sutt'used with fuscous-reddish ; lines whitish, first at -J, 

 rather thick, straight, second very near termen, serrate ; discal 

 dots obscurely indicated ; a whitish terminal suffusion. Hind- 

 wings light fuscous. 



England to Westmoreland, common; C. Europe; 6, 7. 

 Larva pale brown, darker-freckled ; dorsal line darker ; sub- 

 dorsal and lateral blackish-brown ; spiracular ochreous-whitish, 

 double; a brown black-centred lateral spot on 3 and 12; head 

 light brown : in folded leaves of oak and alder; 9, 10. 



21. ACROBASIS, Z. 



Face smooth. Antennae in ^ shortly ciliated, sometimes 

 with slight sinuation near base, basal joint with a horny scaled 

 apical tooth. Labial palpi moderately long, curved, ascending, 

 loosely scaled, terminal joint moderate, pointed. Maxillary 

 palpi short, tolerably filiform. Forewings : 4 and 5 approxi- 

 mated. Hindwings : cell reaching -|, 4 and 5 approximated, 

 7 closely approximated to 8 to middle. 



A rather considerable genus, widely distributed throughout 

 the Northern hemisphere, and also found in Africa. Imago 

 with forewings elongate-triangular, costa slightly ai-ched. 



1. Forewings with antemedian scale-ridge to- 



wards dorsum . . 4. tumidana. 



„ without scale-ridge . . .2. 



2. Basal area reddish-ochreous . . 3. ZeJleri. 



,, „ brown-reddish, mixed witli paler . 3. 



3. Forewings mixed or suffused with dark 



fuscous . . .1. consociella. 



,, not mixed with dark fuscous . 2. sodalella. 



1. A. consociella, Hb. 18-20 mm. Differs from A. sodalella 



only as follows : forewings mixed or sometimes much suffused 



with dark fuscous, basal area distinctly paler, more mixed with 



ochreous-whitish, first line less distinct, browner. 



Britain to the Clyde, S. Ireland, common ; C. Europe ; 7, 8. 

 Larva pale grey, tinged with yellowish or greenish ; dorsal, 



