STICTOPTERA. By M. Gaede. 
367 
the double exterior line filled with white above the inner margin. The submarginal line is white outside. - 
The 12th form exhibits a white median area between the interior and exterior lines. — subfusca E. Prout has an subfusca. 
indistinct marking on the forewing. Sometimes the median line is dark and strong. Fringe of hindwing darker 
yellow. Sumatra, Selangor. — seranensis E. Prcmt has somewhat narrower forewings than the typical form, seranensis. 
Fringe of hindwing speckled, not white. Both wings beneath darker. From Ceram and Borneo. According to 
Prout, seranensis forms a transition to metamelaena which is probably another form of aleuca. 
0. eugratnma E. Prout. Body dark red-brown. Forewing somewhat lighter as far as the exterior line, eugramma. 
Median line very oblicpie, broadly edged with nut-brown inside. Pale greyish green at the inner margin from 
the base to the exterior line. Interior line oblique, pale. A pale undulating line before the dark median band. 
Median line almost white, slightly bent inward in the middle. A yellowish brown shadow before the obliquely 
8-shaped reniform macula. Exterior line double, dark, far excurved behind the cell and at the inner margin, 
inserted between. Submarginal line indicated by some black notches in the anterior part. Hindwing dark 
brown, yellow at the inner margin, fringe golden yellow. $ 45 mm. Sumatra. 
0. pallidifimbria Warr. Forewing ochreous or greyish brown with a thick black oblique median band pallidifim- 
in the submedian fold near the brownish ochreous double interior line. Marginal area blackish behind the ex¬ 
terior line. A white dot at the submarginal line above vein 5. Inner margin bluish grey. Hindwing velvety 
black, fringe ochreous. A few specimens from Penang. 
3. Genus: Stjctoptera Gn. 
The species of this genus are easily discernible by the hindwing being hyaline in the basal area. Forewing 
relatively narrow. All the species are variable, so that mostly several forms are known of the more common 
species. Type: cuculliodes Gn. from India, from where most of the species originate, though the genus is also 
represented in Africa and America. 
1. Forewing narrow, not, projecting at the apex, the costal mar¬ 
gin slightly inserted in the middle. 
S. describens Wkr. (= anisoptera Sn.) (33 f). Beside the 7 forms, the typical form has also received describens. 
different names. Its forewing is greyish brown, also dark brown, darker in the discal area. Interior line very 
strongly notched. Ring-macula edged with blackish,*reniform macula surrounded by black dots. Median line 
black, more inward below the cell. Exterior line double, dentate, excurved behind the cell, then obliquely in¬ 
ward. This whole marking is almost indiscernible in the typical form. Distinct is only the notched white sub¬ 
marginal line. Hindwing blackish brown, with a hyaline cell. 36—44 mm. India, Ceylon, Tonkin, Malacca, 
New Guinea. — The following forms occur. — 1. describentis Strd. (33 g). Forewing ochreous as far as behind deseribentis. 
the median line. — 2. semilunaris Strd. (33 g). Forewing with a black spot in and below the cell. — 3. atrifascia semilunaris. 
Strd. (33 g, h). Forewing with a dark band below the cell as far as near the apex. — 4. atriniaculata Strd. (33 f). (drifascm. ^ 
Forewing with a blackish spot near the base, before and behind the reniform macula and at the apex. — In the 
normal $ the forewing is greyish ochreous with a dark band before the submarginal line. — 5. xylinata Wkr. xylinata. 
(33 f). Forewing paler behind a line from the apex to the middle of the inner margin, blackish brown before 
it. — 6. albosuffusa Strd. Thorax and forewing intensely white. — 7. patagiata Strd. Patagia and forewing albosuffusa. 
ochreous as far as behind the median line. patagiata. 
S. indescribens E. Prout. As the name indicates, very similar to describens, i. e. the nomenclatural form, indescribens. 
Antennae of $ tufted, not only shortly ciliated. The costal margin of the S fore wing is less inserted, the hind¬ 
wing is somewhat larger, also the hyaline area. The $ is more yellowish ochreous. It is distinguished by black 
pencils on the lower 5th and 6th abdominal segments. Submarginal line less notched in the posterior part in both 
sexes. Forms corresponding to the 2nd and 4th of describens occur also here. 36—46 mm. Ceram, New Guinea. 
2. Forewing narrow. Costal margin almost parallel to inner margin. 
S. anaemia Hmps. (33 e). Forewing whitish ochreous. A brown oblique band from the costal margin anaemia. 
before the middle to the submedian fold and then vertical to the inner margin. Exterior line indicated by brown 
dots, excurved behind the cell, ending at the inner margin beside the band. Submarginal line indicated by 
brown spots before and behind it. Hindwing pale brown, hyaline at the base. 28 mm. 1 $ known from the 
Salomons. 
S. olivascens Mr. (32 a). Body and forewing greyish olive. Feebly lilac brown at the middle of the olivascens. 
costal margin and at the distal margin. Interior line absent, median line sharply extra-angular at the reniform 
macula which is finely edged with black, pear-shaped. A few black spots at the apex. Hindwing darker at the 
margin than in anaemia. 28—30 mm. North India. 
S. ekeikei B.-Bak. Body and forewing dark brown, with a silvery grey lustre. Hardly any markings, ekeikei. 
Ring-macula edged with black outside, reniform macula indicated by black dots. Median line outward to the 
