Euproctis flavotriangulata Gaede, 1932

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 : 66-67

Euproctis flavotriangulata Gaede, 1932

( Figs. 25–26 , 40 , 52 )

Euproctis flavotriangulata Gaede, 1932: 104 ; Collenette, 1934: 115; Chao, 2003: 426.

Diagnosis. Forewing length 15–18 mm. Forewing fuscous, with a yellow triangular patch near base of costa, and a smaller yellow patch at middle of dorsum, an irregular yellow marginal band, separated by fuscous scales from the middle of termen, apex with dark spots; hindwing fuscous with a yellow margin. Male genitalia ( Fig. 40 ): Tegumen broad; uncus long, digitate; valva tongue-like, sacculus with a process at base. Juxta well developed. Female genitalia ( Fig. 52 ): Papilla analis broad; apophysis anterioris longer than apophysis posterioris; ostium membranous; ductus short, Signum absent.

Material examined. 43, 3Ƥ, Nanling National Nature Reserve, Guangdong, 20.IV.2009; 2Ƥ, same locality, 7.V.2009;

Distribution. China (Beijing, Shanxi, Zhejiang, Sichuan, Fujian, Hunan, Yunnan, Guangdong). Remarks. Externally the female somewhat resembles those of E. piperita (Oberthur) , but is separated from the latter by lacking a signum.

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 35 – 40. Male genitalia of Nygmiini species. 35. Nygmia uniformis; 36. Euproctis montis; 37. E. telephanes; 38. E. yunnanpina; 39. E. piperita; 40. E. flavotriangulata.

FIGURES 50 – 52. Female genitalia of Nygmiini species. 50. Euproctis yunnanpina; 51. E. piperita; 52. E. flavotriangulata.