Literature

Authors	Year	Title
M. G. Balducci, Martins, D. J., Johnson, S. D.	2019	Pollination of the long-spurred African terrestrial orchid Bonatea steudneri by long-tongued hawkmoths, notably Xanthopan morganii
Wasserthal, L. T.	1993	Swing-hovering combined with long tongue in hawkmoths, an antipredator adaptation during flower visits. Pp. 77-87 in
U. Eitschberger	2016	Zur Kenntnis der Blütenbestäubung durch Agrius convolvuli (Linnaeus, 1758) auf Pantar, Kleine Sunda-Inseln (Lepidoptera, Sphingidae)
S. D. Johnson, Balducci, M. G., Bijl, A., Castañeda-Zárate, M., Cozien, R. J., Ortmann, C. R., van der Niet, T.	2019	From dusk till dawn: camera traps reveal the diel patterns of flower feeding by hawkmoths
S. D. Johnson, Raguso R. A.	2016	The long-tongued hawkmoth pollinator niche for native and invasive plants in Africa
D. J. Martins, Johnson S. D.	2009	Distance and quality of natural habitat influence hawkmoth pollination of cultivated papaya
D. J. Martins, Johnson S. D.	2007	Hawkmoth pollination of aerangoid orchids in Kenya, with special reference to nectar sugar concentration gradients in the floral spurs
C. Micheneau, Johnson, S. D., Fay, M. F.	2009	Orchid pollination: from Darwin to the present day
L. A. Nilsson, Rabakonandrianina E.	1988	Hawk-moth scale analysis and pollination specialization in the epilithic Malagasy endemicAerangis ellisii (Reichenb. fil.) Schltr. (Orchidaceae)
T. van der Niet, Cozien R. J.	2022	Hawkmoth pollination of the scented South African fynbos endemic Erica cylindrica Thunb. (Ericaceae)
L. T. Wasserthal	1998	Deep flowers for long tongues
L. T. Wasserthal	1996	Of hawkmoth species with long "tongues". Tropical biocenoses