trifurculaI TINEIDAE 727 



2. Trifurcula, Z. 



Head rough. Tongue rudimentary. Antennae |, in $ 

 simple, basal joint enlarged and concave beneath to form eye- 

 cap. Labial pal})! short, filiform, droo})ing. Maxillary palpi 

 long, filiform, folded. Posterior tibiae with bristles above ; 

 middle-spurs below middle. Forewings : lb simple, 4 absent, 

 5 absent, cell open between 6 and 10, 7-9 absent. Hindwings 

 f, lanceolate, cilia 2i-3 ; cell open between 2 and 5, 3 absent, 

 4 absent, 5 and 6 stalked. 



A genus of few species, apparently restricted to Europe ; 

 correlated with Nepticula. Imago with forewings lanceolate. 

 Larva hardly known. 



1. Head black . . . 1. atrifronteUa. 



„ more or less yellowish . . .2. 



2. Forewings irrorated with fuscous . 2. immundella. 



,, ,, with pale ochreous . 3. pallideUa. 



1. T. atrifronteUa, Stt. 7-9 mm. Head blackish. Antennal 

 eyecaps whitish. Forewings pale greyish -ochreous, coarsely 

 irrorated with dark fuscous. Hindwings grey. 



Kent, Surrey, Dorset, local ; Germany ; 7, 8. Has been 

 recorded as bred from hawthorn, but unconfirmed. 



2. T. immundella, Z. {squamatella, Stt.) 7-8 mm. Head 

 ochreous-yellowish, mixed with fuscous. Antennal eyecaps 

 whitish. Forewings ochreous-grey-whitish, coarsely irrorated 

 with fuscous. Hindwings grey. 



England to Durham, amongst Cytisus sco2oarius, common ; 

 C. Europe, N. Africa ; 7, 8. '' 



3. T. pallidella, Z. 7-9 mm. Head pale yellowish. An- 

 tennae wholly whitish -yellowish. Forewings shining whitish- 

 yellowish, coarsely irrorated with pale ochreous. Hindwings 

 whitish-grey. 



Dorset, Herts, Lancashire, Westmoreland, amongst Genista 

 tinctoria, local ; C. and SE. Europe, Asia Minor ; 8, 9. 



3. ScoLiAULA, n.g. 



Head rough. Tongue rudimentary. Antennae §, in S 

 simple, basal joint enlarged and concave beneath to form eye- 

 cap. Labial palpi short, filiform, rather drooping. Maxillary 

 palpi long, filiform, folded. Posterior tibiae with bristles above ; 

 middle -spurs slightly above middle. Forewings : lb simple, 

 lower margin of cell obsolete, upper margin curved downwards 

 below middle of disc, 2 absent, 3 absent, 4-7 appearing to rise 



