Callambulyx diehli Brechlin & Kitching, 2012, Entomo-Satsphingia 5(3): 56-60. Type locality: Indonesia, Sumatra, NW Aceh, Mt. Silawa, 600 m., 84 km. E of Banda-Aceh.
Note: Until recently this species was included within the very similar Callambulyx poecilus (Rothschild, 1898).
Wingspan: 77-100mm. Very similar in all respects to Callambulyx poecilus. In the male genitalia it differs from C. poecilus in having a larger uncus, smaller and more angular ballon-like valve endings, as well as a narrower gap between the points of the harpe (Brechlin & Kitching, 2012).
At Yinggeling, Hainan, adults were taken at light near a small village surrounded by forest fragments, and cassava and rubber plantations (Roger Kendrick, pers. comm. 2006)
China: 5.iii (Simao/Pu'er); v (Songzhishanding); vi (Dianchang Shan; Simao/Pu'er; Hainan); vii (Hengduan Shan; Mt. Niuxinduo; Maguan County); 25.viii (Hainan; Menghai); ix (Ailao Shan; Lushui); ix (Fuli Shan).
OVUM: Unknown.
LARVA: Unknown.
PUPA: Unknown.
Larval hostplants. Unknown.
Unknown.
China: Henan (Mt. Niuxinduo, nr. Luoyang, 1763m); Zhejiang (Lanju Township, Lishui, 286m); Yunnan (Ailao Shan, 2800-3500m; Dianchang Shan; Fuli Shan; Hengduan Shan, 2000-2500m; Changning County, Songzhishanding, 2800m; Lushui, 850m; Simao/Pu'er; Gaoligong Shan; Lincang District, 10 km W Yunxian; Daxing, 1200m; Xishuangbanna; Puwen, 30 km SSW Simao/Pu'er; Mouding County, 1300m; Dali; Menghai; Wulaofeng; Maguan County; Weibaoshan, 2800m; Mengla; Guangnan County, Suiyuanqing, 2500m; Nengla County; Dajianshan, 2000m; Liangzhishan, 2500m); Guizhou; Fujian (Chayuankeng, Ningde); Guangxi (Dayaoshan National Nature Reserve; Jianxiu); Hainan (Yinggeling, 360m (19°01'37" N, 109°24'00" E); Jianfengling).
Found from southern China (Henan, Zhejiang, Yunnan, Fujian, Guangxi, Hainan Island and, maybe, eastern Xizang/Tibet (Yan, Jiang, Peng, Huang & Wang, 2024)), Myanmar/Burma, northern Thailand (Brechlin & Kitching, 2012), Laos, Vietnam (Le & Vu, 2024) south through Peninsular Malaysia to northern Sumatra, Indonesia (Diehl, [1982]).
It should be noted that the individuals of Callambulyx tatarinovii tatarinovii Bremer & Grey, 1853 recorded from eastern Xizang/Tibet (Mutu, Namjagbarwa region, 850m; Nyingchi/Linzhi, 3070m) may turn out be a western population of Callambulyx diehli or a northern population of Callambulyx poecilus. This requires further study.
[Callambulyx poecilus, the western sister species to Callambulyx diehli, is confined to northern Pakistan (Murree Hills, Punjab) (Rafi et al., 2014), Nepal, Bhutan and northern India (Sikkim and Meghalaya) (Brechlin & Kitching, 2012).]
Holarctic; eastern Palaearctic region. Pleistocene refuge: Monocentric -- Yunnan refugium.
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