80 P. E. S. WHALLEY 



Striglina guttistigma Hampson 



(PI. 8, fig. 35; PI. 25, fig. 134; PI. 31, fig. 171; PL 54, figs 315, 316; Text-figs 8, 14) 



Striglina guttistigma Hampson, 1906 : 115. 

 Striglina guttistigma Hampson; Dalle Torre, 1914 : 11. 

 Striglina guttistigma Hampson; Gaede, 1916 : 370. 

 Striglina guttistigma Hampson; Gaede, 1929 : 495. 



o*. Wing, I4'5-i6'5 mm. Vertex brown, frons brown, flattened. Reduced ocelli present. 

 Antennae ciliate, cilia as long as width of each antennal segment. Labial palps with third 

 segment 1/3 length of second. Eyes with long interfacetal hairs. Thorax brown. Hind tibia 

 flattened, with long scent scales, distal pair of spurs shorter than proximal, less than 1/2 length 

 of 1st hind tarsal segment, distal spurs approximately equal in length to one another. Hind 

 tarsi each with pair of spines at distal end. Fore wing, pattern as in PI. 8, fig. 35, brown with 

 pale, translucent circular area subterminally. Underside paler with slightly pink suffusion. 

 Several dark spots along base of cell and at apex of cell on underside. Radial veins from cell. 

 Hind wing, similar colour to fore wing, paler, with more reticulations showing through the 

 brown and with yellowish brown translucent area in base of hind wing. Underside of hind 

 wing with long, circular reticulations with pink tinge to fringe. Veins Sc+R t and Rs join 

 for a part of their length, separating again near base. 



Genitalia $ (PI. 31, fig. 171; Text-fig. 14). Uncus bifid, gnathus with flattened lateral 

 arms, toothed posteriorly, with 2 long pointed and curved lateral projections. Subscaphium 

 with long hairs. Valves modified, juxta simple, lateral arms reduced. Sacculus with prominent 

 median sclerotized arm. Many strongly sclerotized cornuti in aedeagus. 



$. Wing, i6'5-i7-5 mm. Colour and pattern as male. 



Genitalia $ (PL 54, figs 315, 316). Anal papillae short, neck and first part of duct strongly 

 sclerotized. Signum a transverse spiny plate in bursa. 



Discussion. The number of cornuti in the aedeagus is variable. Some cornuti 

 are shed and can be found in the bursa of the female. The structure of the male and 

 female genitalia is distinct from all other species of Thyrididae. From the female 

 genitalia there are certain similarities to S. clathrata Hampson but the structure of 

 the male and various external characters are different. The female has some 

 similarities to 5. eguttalis, which also has the interfacetal hairs in the eyes. The 

 presence of ocelli is unusual in the Thyrididae but is found in some species of the 

 hume rait s-group . 



Distribution. Map 34. Nigeria; Cameroon; Democratic Republic of the 

 Congo; Gabon; Angola; Rhodesia. 



Material examined. 



Holotype % Nigeria: R. Niger, Sapele [Sampson), BM slide no. 9039, in BMNH. 



Nigeria: i $, Forcados, S. Nigeria, i.1914; 1 c?, Calabar, i.1914; Cameroon: i <$, 

 Efulen, iv. 1917 [Weber), in CMP; Gabon: i $, Belinga, Bords Ivindo, Plage face, 

 Mwadhi, iii.1963 [Bemardi), in MNHN; 1 <$, Belinga, Savana de Mwhadhi, hi. 1963 

 (Bemardi), in MNHN; 1 <$, 1 $, Belinga, 900 m, N. Crete Sud, iii.1963 [Bemardi), 

 $ in MNHN; Democratic Republic of the Congo: i $, Lulonga, Hekurihaka, 

 viii.1927 [Ghesquiere) , in MRAC; 1 <$, Bumba, xii.1948 [Wikeley); 1 <$, Uele, Paulis, 

 viii.1957 [Fontaine), in MRAC; 1 $, Loile River, Ikela, Equateur, iv.1959 [Carcasson) ; 

 1 c?, Elisabethville, xii.1959, in MNHN; 1 c?, Sankuru, Katako-Kombe, Hi. 1952 

 [Fontaine), in MRAC; 1 c?, Upper Lowa Valley, nr Masisi, W. Kivu, 5000-6000 ft, 

 forest and long grass, ii.1924, wet season [Barns); Angola: i $, Guaca, 20 miles E. 



