Squamura maculata Heylaerts, 1890

Squamura maculata Heylaerts, 1890 View in CoL

Female (n = 18; Fig. 3a, b View Figure 3 ): Body light brown, length 19–23 mm. Antennae bipectinate, light brown. Head and thorax brownish-white covered with with scattered dark brown scales. Forewing length 35– 41 mm. Forewing greyish-white to whitish-brown with scattered dark brown spots and prominent trapezoid black spot, and dark brown veins. Hindwing greyish-white towards costa, otherwise brownish-white with dark brown veins and irregular transverse markings and outer marginal spots at each vein. Abdomen greyish-white with scattered dark brown scales, particularly for posterior segments.

Male (n = 13): 13-16% larger than female, colour and pattern as for female.

Larva: Head dark brown or black, body grey, gradually darker in succeeding instars, finally dark grey in the pre-pupal instar ( Fig. 3c View Figure 3 ). Body devoid of secondary body setae, but with long lateral primary setae. Final instar body length 50–60 mm, width 6–7 mm.

Pupa: Cylindrical, initially light brown, darkening to brown with dark brown head. Length 21– 33 mm, width 5–6 mm ( Fig. 3d View Figure 3 ). Male pupae 15–18% smaller than female.