260 BRITISH MOTHS 



Species 8. — Pterophorus tephradacttlus — (Hiibner, &c. ; "Wood, fig. 1633 ; and our Plate CXXIII., 

 Fig. 1 1 ) — Expands 9i lines ; fore wings rather short and broad, whitish-grey, with brown atoms and fringe ; 

 hind wings and fringe brown. Taken, in July, in Surrey, Norfolk, Hants, &c. 



Species 9. — PTEROPHORtrs tridactylus — (Linnaeus, &c. ; "Wood, fig. 1634 ; and our Plate CXXIII., Fig. 

 12) — Expands 9i to 10 lines ; fore wings cleft and pale, with white lines ; hind wings whitish : fringe of all the 

 wings brown. Darenth Wood, and near Brighton, in June. 



Species 10. — PTEROPHORrs niveidactylus — (Stephens; "Wood, fig. 1635 ; and our Plate CXXIII., Fig. 

 13) — Expands 8 to 9 lines ; all the wings obscure suowy-white, with ashy fringe. Darenth "Wood, in July, but 

 very rare. 



Species II. — PTEROPHOBirs tetradactylus ^ — (Linnseus, &c. ; "Wood, fig. 1636 ; and our Plate CXXIII., 



Fig. 14) — Expands 9i to 10 lines ; fore wings yellowish, or testaceous white on the disc, leaving only the 



margins or fringe dusky ; hind wings pale brown, with dusky fringe ; legs white. Near London, Ripley, 



Dover, &c., in June, but rare. 



• '' Synonymes. — Phalicna Aluc. didaclyla, Scopoli. 



Phalcena Aluc. tridactyla. Tillers. 



Species 12. — Pterophorus carphodacttlus — (Hiibner, &c. ; "Wood, fig. 1637; and our Plate CXXIII., 

 Fig. 15) — Expands 7 to 9 lines ; fore wings yellowish, with a small brown dot near the apex of the costa, and 

 another opposite to it on the inner margin ; hind wings slightly ochreous, with ashy-brown fringe. Coombe 

 Wood, Dover, Whittleseamere, &c., in June and August. 



Species 13. — Pterophorus ochrodactylus — (Fabricius, &c. ; Wood, fig. 1638; and our Plate CXXIII., 

 Fig. 16) — Expands Q\ lines; fore wings ochreous, with pale brown fringe; hind wings pale ashy-brown. 

 Darenth Wood, July. 



Species 14. — Pterophorus leucodactylus — (Hubner, &c. ; Wood, fig. 1639 ; and our Plate CXXIII., 

 Fig. 17) — Expands o\ lines; fore wings pale sulphur coloured ; hind wings and fringes of all the wings brown. 

 Darenth Wood, at the end of June. Rare. 



Species 15. — Pterophorus lun^dactylus *■- — (Haworth, &c. ; Wood, fig. 1640 ; and our Plate CXXIII., 

 Fig. 18) — Expands 10 to II lines ; fore wings fuscous-brunneous, with a yellowish-white slightly-curved mark 

 at the base of the cleft ; hind wings and fringe brown. Darenth, Greenhithe, &c., about the beginning of July. 

 The caterpillar, according to Mr. Jordan, (Zoologist, p. 434,) feeds on ononis arvensis, on the heads of which it 

 may be generally found. It is green and slightly hairy. 



^ Synonyme. — Alucita plusoductyla, Hubner. 



