We thank the Biodiversity Management Bureau (BMB) of the Philippine Department of Environment and Natural Resources (DENR) for facilitating collecting and export permits necessary for this and related studies; we are particularly grateful to M. Lim, C. Custodio, J. de Leon, and A. Tagtag. Fieldwork was conducted under the Sam Noble Museum’s existing Memorandum of Agreement with the BMB of the Philippines (2015–2020), Gratuitous Permits to Collect No. 247 (2016) and 260 (Renewal; 2017), and Institutional Animal Care and Use Committee (IACUC) approved protocols R13-012 and R17-019. Financial support for fieldwork was provided by National Science Foundation, Division of Integrative Organismal Systems grant (NSF IOS 1353683) to CDS. Preston Larson is thanked for assistance with preparing and imaging the specimens using the SEM at the Samuel Roberts Noble Microscopy Laboratory. For access to the Sam Noble Museum Invertebrate Paleontology Stacking Photography Lab, S. Westrop and R. Burkhalter are appreciated. In the field Jason Fernandez and the Philippine Field Team were critical for field assistance during faunal surveys of Mt. Mayon and Mt. Palali on Luzon Island, and Dr. Thomas Henry and Dr. Michael Schwartz are thanked for their advice on dissections of Deraeocorinae to prepare the figures. Lastly, we thank members of the Menard and Siler labs, and Dr. Alfred Wheeler for his helpful critiques of the manuscript.

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