Nectar robbing by sunbirds on the flowers of Morinda pubescens J.E. Smith (Rubiaceae)

Main Article Content

A.J. Solomon Raju
https://orcid.org/0000-0002-0028-2621
S. Sravan Kumar
https://orcid.org/0000-0003-3161-0197
G. Nagaraju
C. Venkateswara Reddy
https://orcid.org/0000-0003-0990-5562
Tebese Peter Raliengoane
https://orcid.org/0000-0003-2392-1542
L. Kala Grace
https://orcid.org/0000-0002-8347-9146
K. Punny
https://orcid.org/0000-0002-4785-4586
K. Prathyusha
https://orcid.org/0000-0002-5410-7802
P. Srikanth
https://orcid.org/0000-0002-5220-3438

Abstract

Morinda pubescens is a dry season blooming tree species.  The flowers are hermaphroditic distylous, fragrant and nectariferous. Thrips use floral buds for breeding and flowers for food. Sunbirds, Nectarinia asiatica and N. zeylonica pick up thrips from the flowers by probing the flowers legitimately and collect nectar illegitimately by making a puncture/slit at the base of the corolla tube from outside. The illegitimate nectar robbing by sunbirds on the flowers of M. pubescens relates to primary robbing.  The study indicates that M. pubescens flowers are an important source of thrips as insect food and nectar as instant drink for sunbirds during dry season in the deciduous forest ecosystem.

Article Details

How to Cite
[1]
A.J. Solomon Raju, S. Sravan Kumar, G. Nagaraju, C. Venkateswara Reddy, Tebese Peter Raliengoane, L. Kala Grace, K. Punny, K. Prathyusha and P. Srikanth 2022. Nectar robbing by sunbirds on the flowers of Morinda pubescens J.E. Smith (Rubiaceae). Journal of Threatened Taxa. 14, 5 (May 2022), 21125–21126. DOI:https://doi.org/10.11609/jott.7915.14.5.21125-21126.
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References

Arya, L., R.K. Narayanan, M. Verma, M., A.K. Singh & V. Gupta (2014). Genetic diversity and population structure analyses of Morinda tomentosa Heyne, with neutral and gene based markers. Genetic Resources and Crop Evolution 61: 1469–1479. https://doi.org/10.1007/s10722-014-0168-4

Bremer, B. & J.F. Manen (2000). Phylogeny and classification of the subfamily Rubioideae (Rubiaceae). Plant Systematics and Evolution 225: 43–72. https://doi.org/10.1007/BF00985458

Irwin, R.E. & J.E. Maloof (2002). Variation in nectar robbing over time, space, and species. Oecologia 133: 525–533. https://doi.org/10.1007/s00442-002-1060-z

Irwin, R.E., J.L. Bronstein, J.S. Manson & L. Richardson (2010). Nectar robbing: ecological and evolutionary perspectives. Annual Review of Ecology and Systematics 41: 271–292. https://doi.org/10.1146/annurev.ecolsys.110308.120330

Kesonbuaa, W. & P. Chantaranothai (2013). The genus Morinda (Rubiaceae) in Thailand. ScienceAsia 39: 331–339. https://doi.org/10.2306/scienceasia1513-1874.2013.39.331

Maloof, J.E. & D.W. Inouye (2000). Are nectar robbers cheaters or mutualists? Ecology 81: 2651–2661. https://doi.org/10.2307/177331

Navarro, L. (2001). Reproductive biology and effect of nectar robbing on fruit production in Macleania bullata (Ericaceae). Plant Ecology 152: 59–65. https://doi.org/10.1023/A:101146352039