| Issue |
E3S Web of Conf.
Volume 373, 2023
ISEPROLOCAL 2022 - The 3rd International Seminar on Promoting Local Resources for Sustainable Agriculture and Development
|
|
|---|---|---|
| Article Number | 05011 | |
| Number of page(s) | 6 | |
| Section | Forestry and Biodiversity | |
| DOI | https://doi.org/10.1051/e3sconf/202337305011 | |
| Published online | 14 March 2023 | |
Insect visits and variation of floral temperatures during blossoming of Rafflesia gradutensis
University of Bengkulu, Department of Forestry, Faculty of Agriculture, Bengkulu, Indonesia
* Corresponding author: yansen@unib.ac.id
The survival of parasitic plant Rafflesia depends on the host plant, habitat condition, vegetational types, , pollination and the dispersal of seeds. This study aims to investigate visits by insects and variation in floral temperatures of Rafflesia gradutensis during flowering. The flower was observed to be visited by green fly Lucilia sericata and weaver ant Oecophylla sp. The number of visits L. sericata was 617 times and 337 times by Oecophylla sp, in which most of the visits occur during mid-day. The average observed highest surface temperatures of were 28.40C (perigone) and 28.70C (diaphragm), which were slightly above the air temperature of 27.80C. The temperature experiences a gradual increase from the morning till the noon, and then it decreased toward late afternoon. The results of the floral temperatures indicate endothermy in R. gradutensis. However, thermo-regulation related to endothermy needs further investigation.
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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