Trigonidiidae (Grylloidea)

(Fig. 19)

Material examined. Trigonidiinae species 1: 1 male (Siargao18_63), Barangay Esperanza, Del Carmen, N9.87004, E126.0293, 83.1±4.8, 16 October 2018, 1140 hours, on bamboo leaf litter.

Nemobiinae species 1: 1 male (Siargao18_41), Barangay Katipunan, Del Carmen, N9.87599, E126.00964, 24.4± 5.5 m, 14 October 2018, 2056 hours, on ground with coconut leaf.

Trigonidiinae species 2: 1 male and 1 female (Siargao18_26, 27), Mahayahay, Del Carmen, N9.86009, E126.03275, 79.4± 8.6 m, 8 April 2018, 2330 hours.

Trigonidiinae species 3: 1 male (Siargao18_81), Mahayahay, Del Carmen, N9.86338, E126.03391, 64.9± 5.2 m, 17 October 2018, 1057 hours, on foliage of herbaceous plants.

Four species of Trigonidiidae, consisting of three Trigonidiinae and one Nemobiinae, could not be identified to genus level because the genitalia have not been documented. They could represent new species or even genera but a revision of the family is still needed.