J-YKAUSTA] PYRAUSTIDAE 417 



Larva yellowish-grey; dorsal and lateral linos darker: in stems 

 of Ifumufus and Canftabit; 7-10. 



16. P. asinalis, 1J!>. '2~)-?>l mm. Forewings grey; lines 

 darker, first indistinct, sometimes followed by a dark fuscous 

 triangular subdorsal spot, second sometimes blackish -dotted, 

 curved, with a deep abrupt sinuation inwards below middle, 

 often preceded by a brownish or dark fuscous trapezoidal sub- 

 dorsal spot ; very large orbicular, and reniform discal spot 

 somewhat paler, latter preceded and followed by faint brownish 

 sometimes dark-edged spots. Hind wings grey ; a darker post- 

 median line. 



Sussex to Devon and Pembroke, W. Ireland, local ; S. 

 Europe ; 7. Larva yellow-brownish ; dorsal line reddish-brown ; 

 subdorsal broader, brown ; lateral brown ; spots black : in 

 silken tubes beneath leaves of Rubia peregrina ; 8. 



19. MICROSTEGA, Meyr. 



Antennae j. Labial palpi porrected, second joint with dense 

 projecting scales attenuated to a point forwards, terminal con- 

 cealed. Maxillary palpi slightly dilated at apex. Tibial outer 

 spurs J-J. Forewings in $ with groove beneath cell near 

 base, covered with dense scales from above. Hindwings in <J 

 with groove above cell near base, above which is a thick ridge 

 of scales. 



Contains only the one species, closely correlated to Pyrausta. 



1. M. pandalis, lib. 23-27 mm. Forewings whitish-yellowish, 

 towards costa suffused with pale grey; lines grey, first irregular, 

 second subserrate, sinuate ; orbicular dot and discal mark grey, 

 sometimes obsolete; a serrate grey subterminal line, limiting 

 a greyish -tinged terminal fascia. Hindwings yellow-whitish ; 

 sometimes a grey discal dot ; posterior markings as in fore- 

 wings. 



England to York, W. Ireland, common ; C. Europe, N. Asia, 

 Japan ; 6. Larva light pinkish-ochreous to dark grey, tinged 

 with purplish-brown ; dorsal line darker, pale - edged ; spots 

 large, black or brown ; head black-marked ; plate of 2 black : 

 in elongate cases made of pieces cut from a dead leaf, on Teu- 

 crium, Origanum, Solidago, etc. ; 7, 8. 



20. MECYNA, Stph. 



Antennae f . Labial palpi porrected, second joint with dense 

 projecting scales attenuated to a point forwards, terminal con- 

 cealed. Maxillary palpi triangularly dilated, apical scales 



2E 



