Helcystogramma fuscomarginatum Ueda, 1995

Li, H. H. & Zhen, H., 2011, Review of the genus Helcystogramma Zeller (Lepidoptera: Gelechiidae: Dichomeridinae) from China, Journal of Natural History 45 (17 - 18), pp. 1035-1087 : 1065-1066

Helcystogramma fuscomarginatum Ueda, 1995

( Figures 8C , 10G , 12B )

Helcystogramma fuscomarginatum Ueda, 1995: 385 ; Ponomarenko, 1997: 6; Park, 2004: 87; Park and Ponomarenko, 2007: 134.

Diagnosis

Adult ( Figure 8C ). Wingspan 12.0 mm. This species can be recognized by the yellow forewing with narrow dark brown streaks at middle of cell, along fold and all veins; the eighth tergite nearly semicircular ( Figure 10G ), the valva as long as tegumen–uncus complex, the lobes of vinculum finger-shaped, dilated more or less dorsoapically, the aedeagus with a small sclerotized horned process at dorsal three-fifths length and a sclerotized papilla near apex on ventral surface in the male genitalia ( Figure 12B ); the corpus bursae oval, and the accessory bursa arising from its anterior two-thirds length in the female genitalia (Ueda 1995: fig. 9D).

Material examined

CHINA: Guangdong Province: 1 male, Dawuling, Xinyi (22 ◦ 21 ′ N, 110 ◦ 56 ′ E), 1000 m, 10 August 2003, coll. Dandan Zhang.

Host plant

Poaceae : Oplismenus undulatifolius (Arduino) (Ueda 1995) .

Distribution

China (Guangdong), Korea, Japan.

Remarks

This species is newly reported for China.

Figures

Figure 8. Adults of Helcystogramma spp. (A) H. flavifuscum sp. nov., holotype male; (B) H. arotraeum (Meyrick), female; (C) H. fuscomarginatum Ueda, male; (D) H. lutatella (Herrich- Schäffer), male; (E) H. triannulella (Herrich-Schäffer), male; (F) H. brevinodium sp. nov., holotype male.

Figure 10. (A–Q) Male abdominal eighth tergite of Helcystogramma spp. (A) H. flavilineolella Ponomarenko, slide no. ZH06459; (B) H. bicuneum (Meyrick), slide no. ZH06476; (C) H. epicentra (Meyrick), slide no. ZJL05249; (D) H. perelegans (Omelko et Omelko), slide no. ZH07574; (E) H. flavifuscum sp. nov., holotype, slide no. ZJL05145; (F) H. arotraeum (Meyrick), slide no. ZH07202; (G) H. fuscomarginatum Ueda, slide no. ZH06219; (H) H. lutatella (Herrich- Schäffer), slide no. L94400; (I) H. brevinodium sp. nov., holotype, slide no. ZH06114; (J) H. hassenzanensis Park et Hodges, slide no. L95013; (K) H. trijunctum (Meyrick), slide no. L00163; (L) H. albilepidotum sp. nov., holotype, slide no. ZH06324; (M) H. angustum sp. nov., holotype, slide no. ZH06467; (N) H. flavistictum sp. nov., holotype, slide no. L94242; (O) H. furvimaculare sp. nov., holotype, slide no. ZH06154; (P) H. imagitrijunctum sp. nov., holotype, slide no. L94299; (Q) H. rectangulum sp. nov., holotype, slide no. L95025. (R) I–III sternum of H. flavilineolella Ponomarenko, slide no. ZH06459.

Figure 12. Male genitalia of Helcystogramma spp. (A) H. arotraeum (Meyrick), genitalia slide no. ZH07202; (B) H. fuscomarginatum Ueda, genitalia slide no. ZH06219; (C) H. lutatella (Herrich-Schäffer), genitalia slide no. ZH06465; (D) H. brevinodium sp. nov., holotype, genitalia slide no. LZD01068; (E) H. hassenzanensis Park et Hodges, genitalia slide no. L95013; (F) H. trijunctum (Meyrick), genitalia slide no. ZH06071.