Toxoproctis croceola (Strand, 1918) Strand, 1918

Wang, Houshuai, Wang, Min & Fan, Xiaoling, 2011, Notes on the tribe Nygmiini (Lepidoptera: Erebidae: Lymantriinae) from Nanling National Nature Reserve, with description of a new species, Zootaxa 2887, pp. 57-68 : 63

Toxoproctis croceola (Strand, 1918) comb. nov.

( Figs. 13–14 , 34 , 46 )

Euproctis croceola Strand, 1918: 345 ; Matsumur, 1933: 125; Chao, 2003: 428. Euproctis crocea Wileman, 1910: 247 .

Diagnosis. Forewing length 14–17 mm. Forewing yellow with a dark spot at upper angle of cell, and one or two dark subapical spots and tornal spots, a dark oblique band between lower angle of cell and middle of dorsum. Male genitalia ( Fig. 34 ): Uncus broad basally, apex slightly forked; valva rather square; juxta concave on dorsal margin; saccus moderate; aedeagus with a longitudinal bundle of spines. Female genitalia ( Fig. 46 ): Apophysis anterioris longer than apophysis posterioris; sterigma sclerotized, M-shaped; ductus long, membranous; bursa pyriform, with a transverse flange-like signum.

Material examined. 13, 1Ƥ, Nanling National Nature Reserve, Guangdong, 7.VIII.2006; 23, 4Ƥ, same locality, 29.VII.2008.

Distribution. China (Guangdong, Yunnan, Taiwan).

Remarks. The species was previously placed in the genus Euproctis Hübner. It is now assigned to the genus Toxoproctis Holloway according to the following genitalia characters: male with a broad uncus, valva rather square and juxta concave on dorsal margin; female with a transverse flange-like signum within bursa.

Figures

FIGURES 1 – 26. Adults of Nygmiini species. 1 – 2. Arna bipunctapex, 1. male, 2. female; 3 – 4. A. bicostata sp. nov., 3. male holotype, 4. female paratype; 5 – 6. Somena scintillans, 5. male, 6, female; 7 – 8. Orvasca subnotata, 7. male, 8. female; 9 – 10. Artaxa angulata comb. nov., 9. male, 10. female; 11. Euproctis sakaguchii, male; 12. A. digramma, male; 13 – 14. Toxoproctis croceola comb. nov., 13. male, 14. female; 15 – 16. Nygmia uniformis, 15. male, 16. female; 17 – 18. Euproctis montis, 17. male, 18. female; 19 – 20. E. telephanes, 19. male, 20, female; 21 – 22. E. yunnanpina, 21. male, 22, female; 23 – 24. E. piperita, 23. male, 24. female; 25 – 26. E. flavotriangulata, 25. male, 26. female. Scale bar = 2 cm.

FIGURES 27 – 34. Male genitalia of Nygmiini species. 27. Arna bipunctapex; 28. A. bicostata sp. nov.; 29. Somena scintillans; 30. Orvasca subnotata; 31. Artaxa angulata comb. nov.; 32. Euproctis sakaguchii; 33. A. digramma; 34. Toxoproctis croceola comb. nov..

FIGURES 41 – 49. Female genitalia of Nygmiini species. 41. Arna bipunctapex; 42. A. bicostata sp. nov.; 43. Somena scintillans; 44. Orvasca subnotata; 45. Artaxa angulata comb. nov.; 46. Toxoproctis croceola comb. nov.; 47. Nygmia uniformis; 48. Euproctis montis; 49. E. telephanes.