Table 3. Character diagnosis for the three closely related genera from the Philippines (modified from Crispolon et al. 2021).
Genera
No. Characters Mioscarta Poeciloterpa Trigonoschema Miosterpa Crispolon & Yap gen. nov.
1 habitus general shape in lateral view dorso-ventrally flattened, total length nearly 4 × height globulous, total length around 2.5 × height not dorso-ventrally flattened, in lateral view total length around 3 × height dorso-ventrally flattened, in lateral view total length around 3.5 × height (Figs 1, 2A)
2 total length of the specimen 8–11 mm not exceeding 8 mm 9.5–12.5 mm 6–7 mm
3 Pronotum angle not more than 25° 42° around 45° around 45°
4 distance between ocellus and compound eye 2 × ocellus diameter 6 × ocellus diameter less than 4 × ocellus diameter 3 × ocellus diameter
5 distance between ocelli 1.5 ocellus diameter at least 2 × ocellus diameter 1.5 ocellus diameter 1 ocellus diameter
6 size of ocelli evaluated according to the distance between eyes using ocellus diameter large, distance between eyes less than 8 × ocellus diameter very small, distance between eyes 16 × ocellus diameter small, distance between eyes 9–10.5 × ocellus diameter small, distance between eyes 9–10.5 × ocellus diameter
7 postclypeus shape in frontal view ovoid compressed laterally with lateral sides almost straight ovoid ovoid (Figs 1, 2B)
8 lateral carinae on postclypeus in frontal view absent present, prominent absent present prominent (Figs 1, 2B)
9 widest part of postclypeus in frontal view mid height close to frons close to frons mid height
10 Apical reticulation of the tegmen generally developed and reduced in few cases reduced reduced reduced (Figs 1, 2C)
11 apical curve of tegmen in dorsal view visible rarely visible rarely visible visible (Figs 1, 2C)
12 widest part of habitus midlength of tegmen before midlength of tegmen before midlength of tegmen before midlength of tegmen (Figs 1, 2C)
13 apical cells of the tegmen not concave concave not concave concave (Figs 1, 2C)
14 Rp posterior wing Rp separating from SC+Ra nearly at midlength (Fig. 3A) Rp separating from SC+Ra after midlength and making a strong bend after separating from SC+ Ra (Fig. 3C) Rp separating from SC+Ra nearly at midlength (Fig. 3D) Rp separating from SC+Ra nearly at midlength, (Fig. 3A– B)
15 subgenital plates length at least 1.5 × as long as pygofer height slightly longer than pygofer height clearly shorter than 1.5 × as long as pygofer height as long as the pygofer height (Figs 1, 2E–F)
16 subgenital plates fine appendage always present, longer than the main plate generally absent, if present shorter than the main plate generally present but shorter than the main plate absent (Figs 1, 2E–F)
17 paramere general shape not globose and without protrusion on lateral side not globose and without protrusion on lateral side globose with protrusion on lateral side not globose and without protrusion on lateral side (Figs 1, 2G)