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Tiger Beetles (Coleoptera: Cicindelinae) of Davao Region, Mindanao, Philippines

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Tiger Beetles (Coleoptera: Cicindelinae) of Davao Region, Mindanao, Philippines PLATINUM The Journal of Threatened Taxa (JoTT) is dedicated to building evidence for conservaton globally by publishing peer-reviewed artcles OPEN ACCESS online every month at a reasonably rapid rate at www.threatenedtaxa.org. All artcles published in JoTT are registered under Creatve Commons Atributon 4.0 Internatonal License unless otherwise mentoned. JoTT allows unrestricted use, reproducton, and distributon of artcles in any medium by providing adequate credit to the author(s) and the source of publicaton. Journal of Threatened Taxa Building evidence for conservaton globally www.threatenedtaxa.org ISSN 0974-7907 (Online) | ISSN 0974-7893 (Print) Communication Tiger beetles (Coleoptera: Cicindelinae) of Davao Region, Mindanao, Philippines Milton Norman Medina, Analyn Cabras, Harlene Ramillano & Reagan Joseph Villanueva 26 March 2020 | Vol. 12 | No. 4 | Pages: 15460–15467 DOI: 10.11609/jot.5102.12.4.15460-15467 For Focus, Scope, Aims, Policies, and Guidelines visit htps://threatenedtaxa.org/index.php/JoTT/about/editorialPolicies#custom-0 For Artcle Submission Guidelines, visit htps://threatenedtaxa.org/index.php/JoTT/about/submissions#onlineSubmissions For Policies against Scientfc Misconduct, visit htps://threatenedtaxa.org/index.php/JoTT/about/editorialPolicies#custom-2 For reprints, contact <[email protected]> The opinions expressed by the authors do not refect the views of the Journal of Threatened Taxa, Wildlife Informaton Liaison Development Society, Zoo Outreach Organizaton, or any of the partners. The journal, the publisher, the host, and the part- Publisher & Host ners are not responsible for the accuracy of the politcal boundaries shown in the maps by the authors. Member Threatened Taxa Journal of Threatened Taxa | www.threatenedtaxa.org | 26 March 2020 | 12(4): 15460–15467 ISSN 0974-7907 (Online) | ISSN 0974-7893 (Print) PLATINUM OPEN ACCESS DOI: htps://doi.org/10.11609/jot.5102.12.4.15460-15467 #5102 | Received 18 May 2019 | Final received 24 November 2019 | Finally accepted 21 February 2020 C o m Tiger beetles (Coleoptera: Cicindelinae) of Davao Region, Mindanao, Philippines m u n 1 2 3 4 i Milton Norman Medina , Analyn Cabras , Harlene Ramillano & Reagan Joseph Villanueva c a 1,2 Coleoptera Research Center, Insttute of Biodiversity and Environment, University of Mindanao, Davao City, 8000, Philippines. t 3,4 College of Arts and Sciences, University of Mindanao, Davao City, 8000, Philippines. i 1 2 3 o [email protected] (corresponding author), [email protected], [email protected], n 4 [email protected] Abstract: An assessment of tger beetles in select mountains of Davao region including Mt. Hamiguitan (MHRWS), Marilog District (MD), Davao City (DC), Sta. Cruz Davao del Sur (SCD), and Davao de Oro (DO) is herein presented. Materials were collected between December 2017 and February 2019 through a combinaton of opportunistc and standard light trapping methods. Twenty-two species belonging to 9 genera were recorded with 64% endemic in the Philippines. Nine (9) species are recorded from MHRWS, 6 from MD, 8 from DC, 5 SCD, and 14 from DO (formerly Compostela Valley Province). Tiger beetles showed consistent habitat preferences partcularly riparian species which includes the genera Calomera, Thopeutca, Therates, Prothyma, Cylindera, and Heptodonta. Strictly arboreal species include Tricondyla, Therates, and Neocollyris. Strict epigeic species include but not limited to the genera Calomera, Tricondyla, Thopeutca, Cylindera, Heptodonta, Neocollyris, and Prothyma. Endemic species such as Heptodonta lumawigi (Wiesner, 1980), Thopeutca (Thopeutca) anichtchenkoi (Wiesner 2015), Thopeutca (Thopeutca) milanae (Wiesner, 1992), Thopeutca (Thopeutca) rolandmuelleri Cassola, 2000 and Thopeutca petertaylori (Medina, Cabras, Wiesner, 2019) prefers a more intact forests while others such as Cylindera (Ifasina) discreta elaphroides (Dokhtourof 1882), Calomera mindanaoensis (Cassola, 2000) and Necollyris sp. could tolerate disturbed secondary forest even agricultural lands. New distributon record for Heptodonta lumawigi (Wiesner, 1980) and Thopeutca (Thopeutca) milanae (Wiesner, 1992) for Marilog District were also recorded. Ecological data and conservaton status of tger beetles are also presented. Conservaton actons are deemed necessary in the remaining green spaces in Davao City that hosts tger beetle fauna should also be conducted. Keywords: Conservaton, davao region, diversity, Philippines. Filipino abstract: Pag-lista sa tanan tger beetles gikan sa mga bukid sa rehiyon sa Davao, apil ang Mt. Hamiguitan Range Wildlife Sanctuary (MHRWS), distrito sa Marilog, Sta. Cruz Davao del Sur, ug Davao de Oro (sa una probinsya sa Compostela Valley) gipahigayon sa mga bulan sa Desyembre 2017 ug Pebrero 2019 ginamit ang opportunistc ug light trapping nga mga pamaagi. Baynte dos ka mga species ilalum sa syam ka mga genera ang na lista diin 64% ang makita lamang sa Pilipinas. Syam ka mga species ang na lista gikan sa MHRWS, unom gikan sa distrito sa Marilog, walo gikan sa nagka lain-lain green nga mga lugar sa syudad sa Davao, lima gikan Sta. Cruz, ug katorse gikan sa Davao de Oro. Ang mga tger beetles nagpakita ug specifc nga pinuy-anan, partkularmente mga species namuyo duol sa sapa sama sa Calomera, ug mga species sa sapa jud mismo makita sama sa Thopeutca, Therates, Prothyma, and Cylindera. Mga species makita ibabaw sa kahoy sama sa Tricondyla ug Neocollyris. Ang uban species sama sa Heptodonda lumawigi (Wiesner, 1980), Thopeutca (Thopeutca) anichtchenkoi (Wiesner, 2015), Thopeutca (Thopeutca) milanae ()Wiesner, 1992), Thopeutca (Thopeutca) rollandmuelleri Cassola 2000, ug Thopeutca (Thopeutca) petertaylori (Medina, Cabras, Wiesner, 2019) nagapamili ug baga nga lasang. Sa laing bahin, Cylindera (Ifasina) discreta elaphroides (Dokhtourof, 1882), Calomera mindanaoensis (Cassola, 2000), ug Necollyris sp. maka agwanta ug medyo guba na nga lugar, ug gamay nga lasang. Naay duha ka mga species, Heptodonta lumawigi (Wiesner, 1980) ug Thopeutca (Thopeutca) milanae (Wiesner,1992) na lista sa unang higayon sa distrito sa Marilog. Gipakita usab ang status sa nahibilin nga mga tger beetles gikan sa rehiyon sa Davao. Ang presyensa sa mga tger beetles sa mga green nga mga lugar sa syudad sa Davao nagpamatuod nga aduna pa gayud nahibilin nga species sa lugar nga angay natong ampingan ug protektahan. Editor: V.P. Uniyal, Wildlife Insttute of India, Dehradun, India. Date of publicaton: 26 March 2020 (online & print) Citaton: Medina, M.N., A. Cabras, H. Ramillano & R.J. Villanueva (2020). Tiger beetles (Coleoptera: Cicindelinae) of Davao Region, Mindanao, Philippines. Journal of Threatened Taxa 12(4): 15460–15467. htps://doi.org/10.11609/jot.5102.12.4.15460-15467 Copyright: © Medina et al. 2020. Creatve Commons Atributon 4.0 Internatonal License. JoTT allows unrestricted use, reproducton, and distributon of this artcle in any medium by providing adequate credit to the author(s) and the source of publicaton. Funding: Commission on Higher Educaton DARETO Grant - University of Mindanao, Ruford Small Grant Foundaton 22086-B, 18045-2, and Mohamed Bin Zayed Species Conservaton Fund. Competng interests: The authors declare no competng interests. For Author details, Author contributon & Acknowledgements see end of this artcle 15460 J TT Tiger beetles of Davao Region, Philippines Medina et al. INTRODUCTION MATERIALS AND METHODS The tger beetles are predatory beetles recognized Collecton of tger beetles was done using by their lengthy legs, prominent sickle mandibles, 11 opportunistc sampling and light trapping for Mt. segmented fliform antennae, and a pair of conspicuous Hamiguitan Range Wildlife Sanctuary (MHRWS) Davao large compound eyes (Pearson 1998). Their size ranges Oriental [6044’08.000”N, 126008’33.810”E], Sta. Cruz from 6mm to the extent of 45mm (Pearson 1998). Davao del Sur [6052’27.000”N, 125022’04.320”E], green Recent revisions of Lopez-Lopez & Vogler (2017) and spaces and lowland forest of Davao City [7003’56.540”N, a comprehensive molecular phylogeny of tger beetles 125035’36.910”E], mountain forests of Marilog District of Gough et al. (2018) placed the taxon into a separate [7026’31.070”N, 125015’23.310”E] (Figure 1) from family Cicindilidae. Among the insect taxa, tger beetles December 2017 to February 2019. Additonal data from are a bioindicators of biodiversity (Pearson & Cassola Davao de Oro [7021’21.080”N, 126011’00.220”E] is also 1992) and informaton can be gathered by analyzing included (Cabras et al. 2016b). their habitat specifcity, presence of endemic species, The daily collecton was conducted using insect net and a possible translaton of paterns to related taxa and light trapping for nocturnal sampling from 18.00h (Nose 1990; Morgan et al. 2000). to 22.00h. Collected specimens were killed using ethyl The Philippines is home to a high number of unique acetate and placed in 90% ethanol. Species identfcaton species of Cicindilinae. In 1992, Wiesner recorded 94 was made by examining morphological characters species of Cicindelid in the Philippines. Between 1990 were observed under Luxeo 4D and Nikon SMZ745T and 2000, Cassola & Pearson (2000) listed 130 tger stereomicroscopes. Stacked digital habitus images were beetles wherein 111 are endemic, making the Philippines taken with Nikon D5300 digital camera and Sigma 18- the ffh in terms of the absolute number of tger beetles, 250. All images were then stacked and processed using a and ranked third based on endemism behind Madagascar licensed version of
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