DEGMAPTERA. 



225. 



fawn-coloured band just beyond cell, stopping at M 2 or SM 2 ; 

 an oblique crenulate postmedian line ; traces of an irregularly 

 crenulate submarginal line ; the area at apex and between 

 lower angle of cell and outer angle variegated with ochreous 

 and yellow and irrorated with ferruginous ; a conspicuous 

 black stigma with a minute transparent centre. Hind wing- 

 deep reddish -brown, with traces of red median and sub- 

 marginal bands. Underside variegated with ochreous and 

 irrorated with ferruginous ; both wings with distinct post- 

 median line. The distal margin of both fore and hind wing 

 of £ much more strongly sinuate before hind angle than in $. 

 Expanse : $ 44-48 mm., $ 56-68 mm. 



J. Tenth tergite (fig. 58 A) very broad, broadly sinuate,, 

 the two lobes produced into sharp hooks which curve ventrad ;; 

 no sternite, but at each side of the anal cone a hairy lump, 



Fig. 58. — Degmaptera Hamps. Genitalia. 



A, D. mirabilis (Roths.), 10th segment, ventral view; B, clasper 

 and harpe ; C, $» vaginal plate (pvp, post-vaginal plate ; v, vaginal 

 orifice). 



reminding one of a similar structure found in many other 

 Ambulicin^ (see Marumba). Clasper (fig. 58 B) widest before 

 end, dorsal margin incrassate, bent inwards ; from beneath 

 it projects a long sharp spine ; apex of clasper produced into 

 a hook which bears a tooth ; two small teeth at dorsal apical 

 edge of clasper ; harpe a ventral elongate piece of chitin ; 

 curved upwards at end, resembling the runner of a sledge. 

 Penis -sheath without armature. 



2. Vaginal plate (fig. 58 C) with the orifice proximal, 

 situated upon a triangular smoothly chitinized plate, the 

 proximal and lateral edges of which are turned upwards ; 

 post-vaginal part of plate short, broadly rounded, weak, 

 transversely wrinkled. 



vol. v. o 



