Green tea and its waste attract workers of formicine ants and kill theirworkers—implications for pest management

Dieng, Hamady and Ruzieyana, Bt Mohd Zawawi and Nur Intan Saidaah, Bt Mohamed Yusof and Abu Hassan, Ahmad and Fatimah, Abang and Idris, Abd Ghani and Tomomitsu, Satho and Hamdan, Ahmad and Wan Fatma, Zuharah and Abdul Hafiz, Ab Majid and Nur Shilawati, Abd. Latip and Cirilo, Nolasco-Hipolito and Gabriel Tonga, Noweg (2016) Green tea and its waste attract workers of formicine ants and kill theirworkers—implications for pest management. Industrial Crops and Products, 89. pp. 157-166. ISSN 0926-6690

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Abstract

Daily, 3 billion cups of tea consumed worldwide and this consumption is accompanied by the discardingof huge waste amounts into the environment. Tea leaf contains a diverse array of toxic molecules. Despiteevidence that its waste is almost as rich in toxicants as green leaves; no research has been done to turnthis source of pollution into a benefit for ant pest management, where new chemistries are highly neededas a result on insecticide resistance. The present study was performed to explore the behavioral and lethaleffects of tea and its leftovers on the black crazy ant (BCA), Paratrechina longicornis Latreille, yellow crazyant (YCA), Anoplolepis gracilipes Smith, and weaver ant (WA), Oecophylla smaragdina Fabricius. Both freshtea extract (FTE) and used tea extract (UTE) were detrimental to the survival of BCA, YCA, and WA. FTEwas the most toxic solution and BCA was the most vulnerable species. The presence of tea extracts inmeals did not prevent workers of all three species from visiting and feeding in the presence their preferredfoods. The results presented here suggest that diets containing tea extracts are attractive to BCA, YCA, andWA when in competition with their preferred foods. These extracts were also insecticidal to the workerants. These properties demonstrate the potential of tea and its waste products for developing novelenvironmentally friendly and low-cost ant control strategies, which could also be a practical solution tothe growing environmental problem it causes.

Item Type: Article
Uncontrolled Keywords: Ants, Tea, Tea waste, Behavioral effects, Toxicity, unimas, university, universiti, Borneo, Malaysia, Sarawak, Kuching, Samarahan, ipta, education, research, Universiti Malaysia Sarawak
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Divisions: Academic Faculties, Institutes and Centres > Institute of Biodiversity and Environmental Conservation
Depositing User: Karen Kornalius
Date Deposited: 28 Jun 2016 02:05
Last Modified: 28 Jun 2016 02:05
URI: http://ir.unimas.my/id/eprint/12530

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