PHYLLOSPHINGIA PERUNDULANS Swinhoe, 1897 -- Brown-leaf hawkmoth

Male Phyllosphingia perundulans. Photo: © BMNH

TAXONOMY

Phyllosphingia perundulans Swinhoe, 1897, Ann. Mag. nat. Hist. (6)19: 64. Type locality: [India, Meghalaya,] Jaintia Hills.

Note. Recent studies indicate that this taxon is a distinct species, with a degree of overlap in range with Phyllosphingia dissimilis dissimilis. Additionally, the work of Zolotuhin and Ryabov (2012) indicates that the isolated Vietnamese population may represent a third distinct species. However, with no molecular evidence available, the two authors have in the interim assigned a subspecific rank to the latter, namely Phyllosphingia dissimilis berdievi.


ADULT DESCRIPTION AND VARIATION

Wingspan: 120mm.


Male Phyllosphingia perundulans, Simao/Pu'er, Yunnan, China, 19.iii.2013. Photo: © John Horstman.

ADULT BIOLOGY


FLIGHT-TIME

China: iii (Yunnan); v (Xizang/Tibet); ix (Guizhou).


EARLY STAGES

OVUM:

LARVA:

PUPA:

Larval hostplants. Unknown, but almost certainly Juglandaceae.


PARASITOIDS

Unknown.


LOCAL DISTRIBUTION

China: Yunnan (Bahand; Adunzi, nr Dêqên; Simao/Pu'er); Xizang/Tibet (Gamtog; Baxoi County); Guizhou (Jiangkou); Hunan (Guzhang; Shangzhi); Guangdong (Nanling National Forest Park); ?Hainan (Sanya, Mt. Jianfengling).

The status of Phyllosphingia perundulans outside of Yunnan and Hunan is uncertain. The population in Guizhou is most probably Phyllosphingia perundulans but those recorded from Fujian (Longqi Shan), Guangdong and Guangxi could be either this species, Phyllosphingia dissimilis dissimilis or intermediate forms. Study of specimens from these provinces is necessary to resolve the problem.


GLOBAL DISTRIBUTION

Occurs from Nepal, east through northeastern India, Burma/Myanmar and northern Thailand, to southwestern China.


Global distribution of Phyllosphingia perundulans.

BIOGEOGRAPHICAL AFFILIATION

Holarctic; eastern Palaearctic region. Pleistocene refuge: Monocentric -- Yunnan refugium.



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