PTEROi'HOBUs] PTEROPHORIDAE 437 



oil dorsum posteriori}', and often one beneath apex of first 

 segment ; cilia with dark grey spots on costa and dorsum 

 lieyond middle, and at apex of segments. Hindwings grey or 

 whitish-grey, more whitish posteriorly. 



S. England to Hereford and Norfolk, Lancashire, E. Ireland, 

 rather common ; C. Europe, WC Asia to N. Persia ; 7. Larva 

 pale green ; dorsal line double, whitish : on Ai-ctuan lappa ; 5. 



5. P, spilodactylus, Cm^t. (1 migadactyla, Hw.) 20-25 mm. 

 Forewings ochreous-white ; a fuscous or greyish-ochreous basal 

 blotch, more extended along costa ; an oblique dark fuscous 

 sometimes interrupted fascia before fissure ; cilia with a dark 

 grey blotch on middle of upper margin, and two on lower 

 margin of both segments. Hindwings dark grey, third segment 

 whitish towards base ; cilia partly whitish-suffused. 



T. of Wight, Dorset, Worcester, Suffolk, local ; C. and S. 

 Europe ; 7, 8. Larva deep green, with minute black dots ; 

 sometimes a double dorsal series of oblique brownish marks ; 

 head yellowish-green : on Marruhmni vvh/are ; 5-7 



5. PsELNOPHORUS, WaUgr. 



Face not tufted. Labial palpi ascending, loosely scaled, 

 terminal joint pointed. Tibiae thickened with scales on origin 

 of spurs. Forewings cleft from about middle ; 2 and 3 out of 

 4, 7 absent, 9, 10, and 11 out of 8. Hindwings trifid, third 

 segment without black scales in dorsal cilia ; 3 absent. 



Besides the following, there is one other Siberian species. 



1. P. brachydactylus, Tr. 18-21 mm. Forewings dark 

 fuscous ; a dot or small spot before fissure, a small costal mark 

 before middle, a fascia or suffused costal spot beyond fissure, 

 a subapical spot in costal cilia, and two postei'ior spots in dorsal 

 cilia white. Hindwings dark fuscous ; cilia partly whitish- 

 suffused. 



Norfolk, Cumberland, Perth, very scarce ; N. and C. Europe, 

 WC. Asia to N. Persia ; 7. Larva pale green ; dorsal line 

 darker ; head yellow-brown : on Lactuca niuraUs ; 5, 6. 



6. Maeasmarcha, Meyr. 



Face somewhat tufted. Labial palpi ascending, slender, 

 terminal joint pointed. Tibiae simple. Forewings cleft from 

 before I ; 3 and 4 connate or stalked, 8 and 10 stalked, 9 

 absent. Hindwings trifid, third segment without black scales 

 in dorsal cilia ; 3 absent. 



A small genus, extending into Africa and C. Asia. 



