MACROGLOSSUM CORYTHUS PLATYXANTHUM Rothschild & Jordan, 1903


TAXONOMY

Macroglossum platyxanthum Rothschild & Jordan, 1903, Novit. zool. 9 (suppl.): 618 (key), 654. Type locality: [Japan,] Loo Choo Islands [Ryukyu Islands], Okinawa.

Synonym. Macroglossum iwasakii Matsumura, 1921.


ADULT DESCRIPTION AND VARIATION

Similar to Macroglossum corythus luteata, but the yellow band of the hindwing upperside is broader, the black border narrower at the anal angle; basal area of hindwing underside shaded with yellow, less deep in hue than in Macroglossum corythus luteata. Yellow abdominal spots variable in size.


Flying Macroglossum corythus platyxanthum, Japan. Photo: © Hiromi Matsui.

ADULT BIOLOGY


FLIGHT-TIME

Japan: 26.iii (Ryukyu Archipelago); 17.v (Ryukyu Archipelago); vi-vii (Ryukyu Archipelago); viii (Kyushu; Ryukyu Archipelago); viii-xi (Ryukyu Archipelago); ix (Honshu); ix-xi (Ryukyu Archipelago).

In the Ryukyu Islands, commonest between August and October.


EARLY STAGES

OVUM: Unknown.


LARVA: Unknown.


PUPA: Unknown.


Larval hostplants. Unknown.


PARASITOIDS


LOCAL DISTRIBUTION

Japan: Kyushu (Kagoshima; Naze; Nishinakama); Ryukyu Archipelago (Okinawa, Yonabaru + Nago + Shuri + Naha + Chinen + Izumi + Nakijin + Yoni; Tokunoshima; Ishigakishima; Oshima Island; Kubajima; Kuroshima).


GLOBAL DISTRIBUTION

Endemic to southern Japan.


Regional distribution of Macroglossum corythus platyxanthum. Map: © BMNH.

BIOGEOGRAPHICAL AFFILIATION



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