Academic literature on the topic 'Macrotermes'

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Journal articles on the topic "Macrotermes"

1

Egan, Bronwyn, Zwannda Nethavhani, and Barbara van Asch. "Overview of the Genetic Diversity of African Macrotermes (Termitidae: Macrotermitinae) and Implications for Taxonomy, Ecology and Food Science." Insects 12, no. 6 (2021): 518. http://dx.doi.org/10.3390/insects12060518.

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Macrotermes termites play important ecological roles and are consumed by many communities as a delicacy and dietary complement throughout Africa. However, lack of reliable morphological characters has hampered studies of Macrotermes diversity in a wide range of scientific fields including ecology, phylogenetics and food science. In order to place our preliminary assessment of the diversity of Macrotermes in South Africa in context, we analysed a comprehensive dataset of COI sequences for African species including new and publicly available data. Phylogenetic reconstruction and estimates of genetic divergence showed a high level of incongruity between species names and genetic groups, as well as several instances of cryptic diversity. We identified three main clades and 17 genetic groups in the dataset. We propose that this structure be used as a background for future surveys of Macrotermes diversity in Africa, thus mitigating the negative impact of the present taxonomic uncertainties in the genus. The new specimens collected in Limpopo fell into four distinct genetic groups, suggesting that the region harbours remarkable Macrotermes diversity relative to other African regions surveyed in previous studies. This work shows that African Macrotermes have been understudied across the continent, and that the genus contains cryptic diversity undetectable by classic taxonomy. Furthermore, these results may inform future taxonomic revisions in Macrotermes, thus contributing to advances in termitology.
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Uyi,, O., I. G. Amolo, and A. D. Adetimehin. "Insecticidal Activities of the Leaf Extract of the Invasive Alien Plant, Chromolaena odorata (L.) (Asteraceae) Against Macrotermes species (Termites)." Nigerian Journal of Entomology 35, no. 1 (2019): 145–53. http://dx.doi.org/10.36108/nje/9102/53.01.31.

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Several studies have demonstrated the biological efficacy of leaf, stem and root powders or extracts of Chromolaena odorata (L.) King and Robinson against insect pests but those that are focused on the biological efficacy of aqueous leaf extracts against Macrotermes species are scanty. Current management of termites with synthetic insecticides is being discouraged due to human and environmental hazards. Therefore, the insecticidal effectiveness of aqueous leaf extract C. odorata against Macrotermes species was investigated. Five concentrations (0, 2.5, 5.0, 7.5 and 10.0% (w/v)) of the aqueous extract of C. odorata plant were evaluated for repellency and toxicity on the worker caste of Macrotermes species following standard procedures. The filter paper impregnation technique was used for the bioassay. Percentage repellency was monitored for 30 minutes and mortality recorded at 12, 24 and 36 hours post exposure. The leaf extract of C. odorata significantly repelled 95% of Macrotermes species at the highest concentration of 10% (w/v) after 30 minutes post treatment exposure. Mortality of Macrotermes species was independent of treatment concentration, but dependent on duration of exposure. All treatment concentrations of aqueous leaf extract of C. odorata caused significant mortality against Macrotermes species ranging between 94% and 98% compared to the control; indicating very great potential for adoption and use in the management of Macrotermes species.
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Séré, Aminata, Adjima Bougma, Bazoin Sylvain Raoul Bazié, Philippe Augustin Nikièma, Olivier Gnankiné, and Imael Henri Nestor Bassolé. "Nutritional and Functional Properties of Defatted Flour, Protein Concentrates, and Isolates of Brachytrupes membranaceus (Orthoptera: Gryllidae) (Drury: 1773) and Macrotermes subhyalinus (Isoptera: Blattodea) (Rambur: 1842) from Burkina Faso." Insects 13, no. 9 (2022): 764. http://dx.doi.org/10.3390/insects13090764.

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Brachytrupes membranaceus and Macrotermes subhyalinus are edible insects in Burkina Faso. Our research aimed to evaluate the nutritional composition and functional properties of the defatted flours, protein concentrates, and isolates of Brachytrupes membranaceus and Macrotermes subhyalinus. Proximate and mineral composition were determined according to AOAC methods. The amino acid and fatty acid composition were determined by high-performance liquid chromatography (HPLC) and gas chromatography, respectively. The protein concentrates and isolates were obtained by solubilization, precipitation, and lyophilization. Macrotermes subhyalinus showed the highest protein (45.75 g/100 g), iron (11.76 mg/100 g), and zinc (13.18 mg/100 g) contents. The highest isoleucine and lysine contents, the best fat absorption (10.87 g/g), and foaming capacities (49.60%) were obtained with the isolate of Brachytrupes membranaceus. Consumption of Macrotermes subhyalinus could be used to fight or correct iron and zinc deficiencies. Macrotermes subhyalinus was a source of macronutrients and micronutrients, while the protein concentrates and isolates of Brachytrupes membranaceus were endowed with functional properties (fat absorption and foaming capacities).
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4

Dao, Aïchatou Nadia Christelle, Saidou Nacambo, Fernand Sankara, et al. "Evaluation des méthodes de piégeage des termites au nord du Burkina Faso." International Journal of Biological and Chemical Sciences 14, no. 7 (2020): 2556–66. http://dx.doi.org/10.4314/ijbcs.v14i7.15.

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En Afrique de l’Ouest, les termites sont communément utilisés comme alimentation protéinique pour la volaille. Cette étude avait pour objectif de tester et d’améliorer une méthode traditionnelle de collecte des termites par piégeage avec un récipient renversé, au Nord du Burkina Faso. Des essais ont été menés avec deux genres de termites (Macrotermes et Odontotermes) afin d’évaluer l’effet des saisons, des substrats, des récipients et de l’exposition au soleil sur leur piégeage. Six substrats ont été utilisés avec trois types de récipients (en terre cuite, en fer et en plastique) pour collecter les termites. Les résultats ont montré que le canari en terre cuite est le meilleur récipient pour la collecte des termites. Les meilleurs substrats pour capturer les Macrotermes, ont été les substrats contenant des tiges de sorgho et, pour les Odontotermes, les substrats contenant la bouse de vache. L’exposition des pièges au soleil a eu un effet négatif significatif sur les Odontotermes, mais pas sur les Macrotermes. Ces résultats peuvent aider les aviculteurs à améliorer le piégeage des termites en utilisant le récipient et les substrats les plus adéquats et en protégeant leur piège du soleil.Mots clés : Termites, aliments pour volaille, Macrotermes, Odontotermes, Burkina Faso.
 
 English Title: Evaluation of termite trapping methods in northern Burkina Faso
 In West Africa, termites are commonly used as a protein feed for poultry. The objective of this study was to test and improve a traditional method of trapping termites with an overturned container in northern Burkina Faso. Trials have been conducted with two termite genera (Macrotermes and Odontotermes) to assess the effect of seasons, substrates, containers and sun exposure on their trapping. Six substrates were used with three types of containers (terracotta, iron and plastic) to collect termites. The results showed that the terracotta container is the best container for collecting termites. The best substrates for Macrotermes were the substrates containing sorghum stalks and, for Odontotermes, the substrates containing cow dung. Exposure of the traps to the sun had a significant negative effect on Odontotermes, but not on Macrotermes. These results can help poultry farmers improve termite trapping by using the most suitable container and substrates and protecting their trap from the sun.Keywords: Termites, poultry feed, Macrotermes, Odontotermes, Burkina Faso.
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5

Jmhasly, P., and R. H. Leuthold. "Intraspecific colony recognition in the termites Macrotermes subhyalinus and Macrotermes bellicosus (Isoptera, Termitidae)." Insectes Sociaux 46, no. 2 (1999): 164–70. http://dx.doi.org/10.1007/s000400050128.

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6

MARUYAMA, MUNETOSHI. "A new genus and species of flightless, microphthalmic Corythoderini (Coleoptera: Scarabaeidae: Aphodiinae) from Cambodia, associated with Macrotermes termites." Zootaxa 3555, no. 1 (2012): 83. http://dx.doi.org/10.11646/zootaxa.3555.1.4.

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Eocorythoderus incredibilis, a new genus and new species, of Corythoderini is described. This new species was found infungus gardens of Macrotermes gilvus (Hagen, 1858) in Angkor Wat, Cambodia. The new taxon is a flightless, mi-crophthalmic species and the first corythoderine associated with Macrotermes Holmgren, 1910. The beetles were ob-served being carried by worker termites. Eocorythoderus is probably closely related to the genera Corythoderus Klug,1845 and Paracorythoderus Wasmann, 1918 (also Corythoderini). Some character states shared with the distantly-related termitophilous scarab genus Termitotrox Reichensperger, 1915 (Termitotrogini) are noted, and proposed as convergent.
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7

Mawabena, Kadanga, Kasseney Boris Dodji, Dossou Bayi Reine, et al. "FOOD USAGE OF MACROTERMES (ISOPTERA, TERMITIDAE) ALATES IN LOME (SOUTHERN TOGO)." International Journal of Advanced Research 10, no. 04 (2022): 628–35. http://dx.doi.org/10.21474/ijar01/14594.

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The consumption of insect including termites is gaining more interest nowadays even though many people still ignore the great benefit of enthomophagy. This study is a contribution to the valorization of Macrotermesalates in Lome (southern Togo). For this purpose, a survey was carried out in three municipalities of Golfe 3, Golfe 7 and Agoe-Nyive 1 (all located in the district of Lome) from June 14 to July 14, 2021. A total of 345 people were submitted to a set of questionary to assess the level of their knowledge and consequences related to the consumption of Macrotermes alates. The results revealed that more than 94% of the participants not only had a good knowledge of Macrotermes alates, but have also consumed them. Among the surveyed people, 48.67% consumed these alates for their taste while 28.67% consumed them for their nutritional value. Also, 43.70% of participants who had once consumed these alates, stated that they experienced gastrointestinal troubles following the consumption. Thus, although it is important to encourage the consumption of Macrotermes alates, hygienic precautions should be taken during the collection and processing of these alates in the interest of the health safety of consumers.
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8

Kaib, M., M. Hacker, I. Over, et al. "Microsatellite loci in Macrotermes michaelseni (Isoptera: Termitidae)." Molecular Ecology 9, no. 4 (2000): 502–4. http://dx.doi.org/10.1046/j.1365-294x.2000.00871-9.x.

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9

Iqbal, Naeem, Lahiru S. Wijedasa, and Theodore A. Evans. "Bait station preferences in two Macrotermes species." Journal of Pest Science 90, no. 1 (2016): 217–25. http://dx.doi.org/10.1007/s10340-016-0778-z.

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10

Crosland, M. W. J., L. K. Chan, and J. A. Buswell. "Symbiotic Fungus and Enzymatic Digestion in the Gut of the Termite, Macrotermes barneyi (Light) (Isoptera: Termitidae)." Journal of Entomological Science 31, no. 1 (1996): 132–37. http://dx.doi.org/10.18474/0749-8004-31.1.132.

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Gut polysaccharidase activity was examined in the fungus-growing termite, Macrotermes barneyi (Light). Rates of enzymatic digestion of 7 polysaccharides and 5 synthetic heterosides were compared among major and minor worker midguts and hindguts and mycotêtes of the Termitomyces fungus. Major workers showed substantially more hindgut polysaccharidase activity than minor workers, though for both worker types midgut activity was substantially higher than in the hindgut. For 10 out of the 12 enzymes tested (including cellulases), activities were significantly higher in the midguts of major workers than in the fungus mycotêtes. Acquired polysaccharidases from the mycotêtes have been suggested to play a role in digestion in the termite midgut in some other Macrotermes species. However, in M. barneyi, our results indicate that for 11 of the 12 enzymes we tested acquired fungal polysaccharidases are probably of relatively little importance.
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