420 PYEALIDINA [scoparia 



dense projecting scales beneath, terminal exposed. Maxillary 

 palpi rather long, triangularly dilated. Tibial outer spurs ^. 

 Hindwings from over 1 to nearly 2 ; veins 4 and 5 connate or 

 stalked. 



A lai'ge genus, mostly inhabiting temperate regions, or the 

 mountains of warmer countries, most largely developed in New 

 Zealand. The larvae usually feed on lichens and moss, form- 

 ing galleries. The species are obscurely marked, and some- 

 times difficult to distinguish. The genus is correlated with 

 l^itanio. 



1. Discal spot absorbed in blackish costal blotch 1. resinea. 



,, ,, not absorbed in costal blotch . . 2. 



2. Discal mark dot-like . . .9. ]Mllida. 



,, ,, X-shaped or 8-shaped . .3. 



3. Orbicular dot-like, blackish . . .4. 



,, outlined with blackish . . .7. 



4. Subterminal line interruj^ted in middle . 7. crataegella. 



,, ,, not interrupted . . 5. 



5. Hindwings with darker discal dot . 2. lineola. 



„ without discal dot . . .6. 



G. First line followed by dark fascia, second subsinuate 



6. frequentella. 

 „ not followed by dark fascia, second angu- 



late-sinuate . . 8. truncicoleUa. 



7. Clavifonn yellowish, black-edged . .11. duhitalis. 



,, black ... .8. 



8. Upper half of discal mark brownish . . 9. 



,, ,, whitish . 5. murana. 



9. Second line sinuate . . . .10. 



,, angulated . . . .11. 



10. Claviform touching first line . . 3. angustea. 



,, separate ... 4. alpina. 



11. Subterminal line distinct " . 12. amhigualis. 



,, ,, very indistinct . .10. cemhrae. 



1. S. resinea, Hiv. 16-17 mm. Forewings white, irregu- 

 larly blackish-mixed • a black triangular mark from base of 

 costa ; lines white, dark-edged, first irregular, second strongly 

 sinuate; an irregular blackish costal blotch beyond first in- 

 cluding orbicular and claviform, and a quadrate blotch before 

 second concealing discal spot ; terminal area blackish, sub- 

 terminal line white, touching second in middle. Hindwings 

 light grey, darker terminally ; a darker discal mark. 



England, S. Ireland, rather local ; WC. and SW. Europe ; 



