Citation
Siti Rozziana Jeperi, . and Mahadimenakbar Mohamed Dawood, . and Fiffy Hanisdah Saikim, . and Awangku Hassanal Bahar Pengiran Bagu, . Notes on congregating fireflies (Coleoptera Lampyridae) of Binsulok River Sabah. pp. 155-162. ISSN 1823-3902
Abstract
A brief survey on congregating fireflies of Binsulok River was conducted on September 9 and 16 2017. Altogether nine sampling stations were selected among the display trees of Rhizophora apiculata. Water quality parameters were also recorded close to each sampling station. This is the first record where all five Pteroptyx species recorded in Sabah were found in a single area on one species of display tree. P. bearni was the predominant species sampled with 33 male individuals followed by P. tener (5 males) P. valida (5 males) P. gelasina (2 males) and P. malaccae (1 male). In terms of water quality only water pH (which was mostly acidic mean pH 4.51 0.03) and low dissolved oxygen (D.O. mean 3.36 0.64 mg/L) can be considered as not suitable for aquatic life which could contribute to the decreasing population of fireflies as larvae of fireflies feed on river snails. An aerial survey of the area by a drone showed that there was some encroachment and land use change from its original mangrove forest. However these results could not be quantifiable but this survey suggested that the land usage could contribute to the decline in firefly population.
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Abstract
A brief survey on congregating fireflies of Binsulok River was conducted on September 9 and 16 2017. Altogether nine sampling stations were selected among the display trees of Rhizophora apiculata. Water quality parameters were also recorded close to each sampling station. This is the first record where all five Pteroptyx species recorded in Sabah were found in a single area on one species of display tree. P. bearni was the predominant species sampled with 33 male individuals followed by P. tener (5 males) P. valida (5 males) P. gelasina (2 males) and P. malaccae (1 male). In terms of water quality only water pH (which was mostly acidic mean pH 4.51 0.03) and low dissolved oxygen (D.O. mean 3.36 0.64 mg/L) can be considered as not suitable for aquatic life which could contribute to the decreasing population of fireflies as larvae of fireflies feed on river snails. An aerial survey of the area by a drone showed that there was some encroachment and land use change from its original mangrove forest. However these results could not be quantifiable but this survey suggested that the land usage could contribute to the decline in firefly population.
Additional Metadata
| Item Type: | Article |
|---|---|
| AGROVOC Term: | Coleoptera |
| AGROVOC Term: | Species diversity |
| AGROVOC Term: | Mangrove forests |
| AGROVOC Term: | Rhizophora apiculata |
| AGROVOC Term: | Sampling |
| AGROVOC Term: | Surveys |
| AGROVOC Term: | Water quality |
| AGROVOC Term: | Larvae |
| AGROVOC Term: | Dissolved oxygen |
| AGROVOC Term: | Acidity |
| Depositing User: | Ms. Suzila Mohamad Kasim |
| Last Modified: | 24 Apr 2025 06:29 |
| URI: | http://webagris.upm.edu.my/id/eprint/24670 |
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