Diduga haematomiformis van Eecke, 1920

Bayarsaikhan, Ulziijargal & Bae, Yang ˗ Seop, 2019, Four new and one newly recorded species of Diduga Moore, [1887] (Lepidoptera, Erebidae, Arctiinae) from Vietnam, with redescription of the little known species Diduga haematomiformis van Eecke, 1920, Zootaxa 4624 (3), pp. 365-376 : 366-367

Diduga haematomiformis van Eecke, 1920

( Figs 2 , 8 , 14 )

Diduga haematomiformis van Eecke, 1920 , Zool. Meded. 5 (13): 126. TL. Indonesia (Preanger, W. Java).

Redescription. Adult ( Figs 2a, 2b ). Length of forewing 5–6 mm in both sexes. Head, patagium and tegula deep yellow. Thorax deep yellow. Forewing ground color deep yellow brown, with deep yellow margination, which is broad in 2/3 of costal margin, into narrow to tornus and covered with deep yellow brown scales; cilia deep yellow. Hindwing ground color pale yellow, with deep yellow brown apex; cilia pale yellow, except deep yellow brown apical area. Abdomen deep yellow brown. Male genitalia ( Fig 8 ). Uncus slender, with small apical spine, almost same length with tegumen. Tegumen triangular, weakly sclerotized. Valva symmetric, tapering, heavily covered with long setae; costal margin triangularly swollen in near basal of valva; apex of valva blunt. Juxta elongately arch˗shaped. Saccus “U”˗shaped. Aedeagus stout, weakly sclerotized whole of length and vesica with diverse sized and formed, sclerotized plates. Female genitalia ( Fig 14 ). Papillae anales weakly covered with setae. Ductus bursae wrinkle, membranous, weakly sclerotized partly. Corpus bursae ovoid, membranous, weakly wrinkle, with a large rounded signum in cervix of bursae.

Material examined. Syntypes: 1 ♂, 3 ♀, Indonesia, W. Java, Preanger, Cat. No. 1˗male, RMNH.INS.1099029; 2˗female, RMNH.INS.1099030; 3˗female, RMNH.INS.1099031; 4˗female, RMNH.INS.1099032 .

Distribution. Indonesia (Preanger, W. Java).

Figures

FIGURE 2. Adult of Diduga haematomiformis van Eecke from Preanger, Java. 2a. Male (syntype, RMNH.INS.1099029). 2b. Female (syntype, RMNH.INS.10990308).

FIGURES 8–9. Male genitalia of Diduga spp. 8. D. haematomiformis, Preanger, Java (syntype, RMNH.INS.1099029). 9. D. alternota, Vietnam (INU˗1934V).

FIGURES 14–18. Female genitalia of genus Diduga spp. 14. D. haematomiformis, Preanger, Java (syntype, RMNH. INS.1099032). 15. D. alternota, Vietnam (INU˗1937V). 16. D. hanoiensis n. sp., Vietnam (paratype, INU˗10011V). 17. D. bayartogtokhi n. sp., Vietnam (paratype, INU˗10014V). 18. D. quinquicornuta n. sp., Vietnam (paratype, INU˗10008V).