PTILIADjU. 101 



282. Nephanes Titan. 



Trichopteryx Titan, Newm., in Ent. Mag. ii. 201 (1835). 



abbreviatellus, Heer, FnaHelv. i. 375 (1841). 



curta, Gillm. in Sturm, D. F. xvii. 92 (1845). 



Elachys abbreviatellus, Wott., Ann. Nat. Hist. v. 221 (1860). 

 Nephanes abbreviatella, Id., Cat. Can. Col. 104 (1864). 



Habitat Maderenses (Mad.) et Canarienses (Ten., Gom.), hinc inde 

 inter quisquilias vulgaris. 



A European insect which occurs both in the Madeiran and Cana- 

 rian Groups, perhaps (considering how liable these minute species 

 are to accidental transportation) introduced originally from more 

 northern latitudes. It abounds occasionally (beneath dead leaves, 

 and other vegetable refuse) around Eunchal, in Madeira proper ; and, 

 although it escaped my own observation at the Canaries, it was 

 detected by Dr. Crotch both in Teneriffe and Gomera. 



Genus 89. PTENIDIUM. 



Erichson, Nat. der Ins. Deutsch. iii. 34 (1845). 



283. Ptenidium laevigatum. 



Trichopteryx laevigata, Gillm. in Sturm, D.F. xvii. 87 (1845). 

 Ptenidium laevigatum, Erich., loc. cit. 36 (1845). 



, Fairm. etLab., Faun. Frang. i. 340 (1854). 



-, Woll, Cat. Can. Col. 104 (1864). 



Habitat Canarienses (Can., Ten., Gom., Palma, Hierro), sub quis- 

 quiliis in inferioribus intermediisque late sed parce diffusum. 



A European Ptenidium, and widely though sparingly distributed 

 over the Canarian archipelago in all the islands of which it has 

 been captured except the two eastern ones, Lanzarote and Fuerte- 

 ventura. But it has not yet been observed in the Madeiran Group. 



284. Ptenidium apicale. 



Trichopteryx apicalis, (Sturm) Gillm., in Sturm, D. F. xvii. 85 (1845). 

 Ptenidium apicale, Erich., loc. cit. 36 (1845). 



, Woll., Ins. Mad. 110 (1854). 



, Id., Cat. Mad. Col 37 (1857). 



, Id., Cat. Can. Col. 104 (1864). 



Habitat Maderenses (Mad., Des.) et Canarienses (Fuert., Can., Ten., 

 Gom.}, vulgare. 



This common European insect will probably be found universally 

 throughout these Atlantic islands, though hitherto it does not happen 

 (partly, perhaps, on account of its minute size) to have been observed 



