MACROGLOSSUM UNGUES CHENI Yen, Kitching & Tzen, 2003

Female Macroglossum ungues. Photo: © S.H. Yen Female Macroglossum ungues (underside). Photo: © S.H. Yen Male Macroglossum ungues. Photo: © S.H. Yen Male Macroglossum ungues (underside). Photo: © S.H. Yen

TAXONOMY

Macroglossum ungues cheni Yen, S.H., Kitching, I.J. & Tzen, C.S., 2003, Zoological studies 42(2): 293. Type locality: Taiwan, Taitung County [Hsien], Lanyu [Island], Yeongshing [Farm].

Note. This subspecies was known for many years by an unpublished manuscript name -- "Macroglossum lanyuana Chen, 1994". This name has been superseded by the above published name.


ADULT DESCRIPTION AND VARIATION

Differs from the nominotypical subspecies primarily in the narrow black marginal band of the hindwing upperside, the extreme reduction of the basal black patch on the hindwing upperside, and the extensive yellow coloration on the hindwing underside (Yen, Kitching & Tzen, 2003).


Adult Macroglossum ungues cheni, Lanyu Island, Taitung Hsien, Taiwan. Photo: © Shipher Wu.

ADULT BIOLOGY

Adults are usually active during the day from 06.00 to 18.00h, but are also attracted to light at night. They usually fly fast along the margins or above the canopy of coastal forests. Observed nectar sources are Stachytarpheta jamaicensis, Clerodendrum inerme, Nothapodytes foetida, Cerbera manghas, Pseucedanum japonicum, Tetrastigma lanyuensis, Ehretia phillippinensis, Aglaia chittagonga, Rourea minor and Capparis lanceolaris (Yen, Kitching & Tzen, 2003).


FLIGHT-TIME

Taiwan: 16.vi-31.xii (Taitung Hsien, Lanyu).


EARLY STAGES

OVUM: Details not recorded.

LARVA: Like related species, polymorphic, with green and brown colour forms.


Final instar larva of Macroglossum ungues cheni, Lanyu Island, Taitung Hsien, Taiwan. Photo: © Shipher Wu.

PUPA: Details not recorded.

Larval hostplants. Paederia scandens var. mairei (Rubiaceae) (Yen, Kitching & Tzen, 2003).


Paederia scandens, Beijing, China. Photo: © Tony Pittaway.

PARASITOIDS

Unknown.


LOCAL DISTRIBUTION

Taiwan: Taitung Hsien (Lanyu Island).


GLOBAL DISTRIBUTION

Endemic to Lanyu Island, Taiwan.


BIOGEOGRAPHICAL AFFILIATION



Return to Sphingidae of the Eastern Palaearctic species list
© A.R. Pittaway & I.J. Kitching (The Natural History Museum, London)