ACOSMERYX SHERVILLII Boisduval, [1875] -- Dull forest hawkmoth

Female Acosmeryx shervillii. Photo: © NHMUK Female Acosmeryx shervillii. Photo: © NHMUK Male Acosmeryx shervillii. Photo: © NHMUK Male Acosmeryx shervillii. Photo: © NHMUK

TAXONOMY

Acosmeryx shervillii Boisduval, [1875], in: Boisduval & Guenée, Hist. nat. Insectes (Spec. gén. Lépid. Hétérocères), 1: 217. Type locality: [India, West Bengal,] Darjeeling [Darling].

Synonym. Acosmeryx cinerea Butler, 1875.

Synonym. Acosmeryx miskini brooksi Clark, 1922.

Synonym. Acosmeryx socrates obliqua Dupont, 1941.

Note. Sometimes split into two almost indistinguishable species, namely Acosmeryx shervillii and Acosmeryx pseudonaga Butler, 1881. The latter was synonymized with Acosmeryx ancea [sic] by Hampson, [1893], Fauna Brit. India 1: 82; then with Acosmeryx socrates by Rothschild & Jordan, 1903, Novit. zool. 9 (suppl.): 533. Synonymized with Acosmeryx shervillii as a form by Holloway, 1987, Moths of Borneo 3: 149. Erroneously treated as a synonym of Acosmeryx socrates by Bridges, 1993, Cat. Fam. Gen. Spec. Sphingidae of the World: VIII. 1. Reinstated as a species by Haruta, 1994, Tinea 14 (suppl. 1): 156. Resynonymized with Acosmeryx shervillii by Inoue et al., [1996], Moths of Thailand 2: 68. Reinstated as a species by Hogenes & Treadaway, 1998, Nachr. entomol. Ver. Apollo Suppl. 17: 66.


ADULT DESCRIPTION AND VARIATION

Adult Acosmeryx shervillii, Thailand. Photo: © Ian Kitching Adult Acosmeryx shervillii/pseudonaga, Bukit Fraser, Malaysia. Photo: © CheongWeei Gan.

ADULT BIOLOGY


FLIGHT-TIME

China: iii-x (Hong Kong); 10.iii (Yunnan); 15.iv (Yunnan); v (Yunnan); vi-vii (Hainan); viii (Fujian; Yunnan); ix (Shaanxi).

Kendrick (2002) states that this common species is tri- or multivoltine in Hong Kong, occurring from early March until early October.


EARLY STAGES

OVUM:

LARVA:

PUPA:

Larval hostplants. Dillenia, Vitis, Cayratia, Cissus and Leea (Inoue, Kennett & Kitching, [1996] 1997).


PARASITOIDS


LOCAL DISTRIBUTION

China: Shaanxi (Xunyang, 1380m); Yunnan (Changning County, Songzhishanding, 2800m; Mengla County, Mt. Leigongyan, 2000m; Baoshan, 1540m; Simao/Pu'er; Gaoligong Shan); Fujian (Guangze, 1200m); Hong Kong; Hainan (Wenchang; ??Youboi).


GLOBAL DISTRIBUTION

Extreme northern India, Nepal, Bhutan, Bangladesh, Myanmar/Burma, Thailand, Laos, southern China, Vietnam, Malaysia (Peninsular, Sarawak), Indonesia (Sumatra, Java, Kalimantan), and the Philippines.

[Acosmeryx pseudonaga Butler, 1881, which may or may not be conspecific with this species, occurs from extreme northern India eastwards across Nepal, Bhutan, northern Bangladesh, Myanmar/Burma, southern China (Yunnan, Hainan), Thailand, Laos, Vietnam, Malaysia (Peninsular, Sarawak) and Indonesia (Sumatra, Java, Kalimantan), to the Philippines.]


Global distribution of Acosmeryx shervillii. Map: © NHMUK.

BIOGEOGRAPHICAL AFFILIATION



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© A.R. Pittaway & I.J. Kitching (The Natural History Museum, London)