Cyclomacula dudgeoni ( Swinhoe, 1907 ), 2025

Qiao, Chu-Hang, Xu, Yong-Qiang & Wang, Hou-Shuai, 2025, A new genus of Orgyiini (Lepidoptera, Erebidae, Lymantriinae) from China, with description of a new species, ZooKeys 1243, pp. 131-142 : 131-142

Cyclomacula dudgeoni ( Swinhoe, 1907) comb. nov.

Figs 2 E, F , 4 C , 5 B

Dasychira dudgeoni Swinhoe, 1907: 203; Chao 2003: 90.

Pseudodura dasychiroides Strand, 1914: 333.

Orgyia dudgeoni Swinhoe 1923: 404.

Olene dudgeoni Holloway 1999: 33.

Material examined.

China • 1 ♂; Fujian Province, Wuyishan City, Wuyishan National Park ; alt. 1200 m; 17 May 2021; Min Wang & Chuyang Huang leg. Guangdong Province • 4 ♂ 1 ♀; Huizhou City, Longmen County, Nankun Mountain ; 10 Sep. 2024; Chuhang Qiao & Ziqi Yuan leg. Guangdong Province • 2 ♂; Shaoguan City, Ruyuan County, Nanling National Nature Reserve ; 31 May 2017; Min Wang leg. Hainan Province • 1 ♂ 1 ♀; Jianfengling National Nature Reserve ; 9 Jul. 2018; Shifang Mo & Houshuai Wang & Zhipeng Miao leg. Zhejiang Province, • 1 ♂; Hangzhou City, Linan County, Tianmu Mountain ; alt. 1080 m; 14 Jun. 2015; Min Wang leg.

Redescription.

Male adult (Fig. 2 E ). Forewing length: 14–19 mm. Antennae bipectinate, dark brown. Vertex and frons with greyish-brown hair. Labial palpi dark brown. Thorax dark brown. Abdomen greyish-brown. Forewings dark brown, with a ring-like reddish-brown basal spot; antemedian fascia dark blue, postmedian fascia inconspicuous. Hindwings greyish-brown.

Female adult (Fig. 2 F ). Forewing length: 20–27 mm. Antennae bipectinate, greyish-brown. Vertex, frons and labial palpi greyish-brown. Thorax greyish-brown. Abdomen dark khaki. Forewings ground color greyish-brown, with a broad black patch at base, antemedian and postmedian lines black, postmedian fascia broad, black. Hindwings dark khaki, without markings.

Male genitalia (Fig. 4 C ). Uncus short, digitate. Gnathus bifid, each fork crescent-shaped. Valvae broad about the basal 2 / 3, narrowed about the distal 1 / 3, with a small triangular sclerotized saccular process near the distal 1 / 3 of the ventral margin. Saccus small and triangular. Aedeagus straight, inflated terminally.

Female genitalia (Fig. 5 B ). Anal papillae broad. Apophyses anterioris slightly longer than apophyses posterioris. Ductus short. Bursa large, signum with a transverse stripe-shaped sclerotization in middle.

Distribution.

China (Jiangsu, Zhejing, Hubei, Hunan, Fujian, Guangdong, Guangxi, Hainan, Yunnan); India, Malaysia, Indonesia.

Figures

Figure 2. Adults of Cyclomacula species (A – H) and Olene species (I). A. Cyclomacula medogensis sp. nov. holotype, male; B. C. medogensis sp. nov. paratype, male; C. C. glaucinoptera comb. nov., male; D. C. glaucinoptera comb. nov., female; E. C. dudgeoni comb. nov., male; F. C. dudgeoni comb. nov., female; G. C. flavimacula comb. nov., male; H. C. flavimacula comb. nov., female; I. Olene mendosa, male. Scale bars: 10 mm.

Figure 4. Male genitalia of Cyclomacula species (A – D) and Olene species (E). A. Cyclomacula medogensis sp. nov.; B. C. glaucinoptera comb. nov.; C. C. dudgeoni comb. nov.; D. C. flavimacula comb. nov.; E. Olene mendosa. Scale bars: 1 mm.

Figure 5. Female genitalia of Cyclomacula. A. C. glaucinoptera comb. nov.; B. C. dudgeoni comb. nov.; C. C. flavimacula comb. nov. Scale bars: 1 mm.