Key to Brazilian species of Trogolaphysa

1 Eyes present (Fig. 3D)................................................................................. 2

- Eyes absent; cave in São Paulo state ..................................................... T. hauseri Yoshii, 1988

2 Eyes 2 per side....................................................................................... 3

- Eyes 6–8 per side (Figs 3D, 9D)......................................................................... 5

3 Body with diffuse pigments or unpigmented; unguis with 3 inner teeth (m.t. present)............................... 4

- Th II to anterior Abd III dark blue; unguis with 2 inner teeth (m.t. absent); Rio de Janeiro state ............................................................................................. T. tijucana (Arlé & Guimaraes, 1979)

4 Body unpigmented; unguis b.t. subequal to m.t. and distant from each other; unguiculus acuminate; cave, São Paulo state .................................................................................... T. aelleni Yoshii, 1988

- Body with diffuse light reddish color; unguis b.t. larger than m.t. and near to each other; unguiculus truncate; Rio de Janeiro state ................................................................................. T. millsi Arlé, 1939

5 Th III devoid of inner mac (Figs 4A)..................................................................... 6

- Th III with 3+3 inner mac; Rio Grande do Norte state ............................ T. formosensis Silva & Bellini, 2015

6 Body pigments restricted to antennae and coxae or on the borders of the Th II–III; head A3 mac present................ 7

- Body color pattern with specific spots at least on Abd IV (Figs 2, 13, 21, 27), if not then with fully pigmented head (Fig. 8); head A3 mac absent (Fig. 3D)........................................................................... 9

7 Coxae III with blue pigment; postlabial chaeta J1 present (as in Fig. 3E); unguiculus lamella pe smooth................ 8

- Body pigment restrict to lateral border of the Th II–III, never on coxae III; postlabial chaetae J1 absent; unguiculus lamella pe serrated; Ceará state .................................... T. ernesti Cipola & Bellini, 2017 (in Bellini & Cipola 2017)

8 Tibiotarsus I–III depigmented; trochanteral organ with less than 20 spine-like chaetae Santa Catarina state .......................................................................................... T. hirtipes (Handschin, 1924) *

- Tibiotarsus I–III pigmented; trochanteral organ with about 35–40 spine-like chaetae; Piauí state ......................................................................................... T. piracurucaensis Nunes & Bellini, 2018

9 Unguiculus ai lamella acuminate (Figs 5G, 17I); mucro with 4 teeth, il tooth simple (Fig. 12E)...................... 10

- Unguiculus ai lamella truncate (Fig. 30F); mucro with 5 teeth, il tooth with 1–2 acessory denticles (Fig. 31E); Amazonas state (Fig. 7)................................................................. T. quinquedentomucronata sp. nov.

10 Body color pattern with bands or pigment restricted to the head, never with 1 central spot on Abd IV (Figs 8, 13, 21); head M and S series with at least 1 mac in each series (M4, S5), Pm3 mac absent (Figs 9D, 22F); Th II with 2+2 or 3+3 mac on p3 complex (Figs 10A–E); unguis m.t. and b.t. far apart (Figs 17H–I)............................................ 11

- Abd IV with 1 central trapezoid-shaped spot of pigment (Fig. 2); head M and S series only with mic, Pm3 mac present (Fig. 3D); Th II with 5+5 mac on p3 complex (Fig. 4A); unguis m.t. next to b.t. (Fig. 5G); Occidental Brazilian Amazon (Fig. 7)........................................................................... T. amazoccidentalensis sp. nov.

11 Body with lateral spots or head pigmented, never with bands of pigment (Fig. 8, 21); head S3 mac absent (Fig. 9D); prelabral chaetae ciliate; basomedian and basolateral labial fields with all posterior chaetae ciliate, except r (Fig. 3E); collophore anteriorly with 3 or less distal mac (Fig. 12A)............................................................. 12

- Body laterally with black bands (Fig. 13); head S3 mac present (Fig. 14E); prelabral chaetae smooth (Fig. 14D); basomedian and basolateral labial fields with m2, e and l1 smooth (Fig. 15C); collophore anteriorly with 5 distal mac (Fig. 18A); Brazilian Amazon (Fig. 20)................................................................... T. nigrolineata sp. nov.

12 Dark violet pigments restricted to the head (Fig. 8); Ant III devoid of elongated sens; labral papillae absent; head M2 mac absent (Fig. 9D); Acre state (Fig. 7)................................................... T. nigrocephala sp. nov.

- Body generally with blue spots laterally on Th II to Abd I and Abd IV (Fig. 21); Ant III with about 10 elongated sens (Fig. 22C); labral papillae with 2 conical projections (Fig. 22D); head M2 mac present (Fig. 22F); Amazonas state (Fig. 26)......................................................................................... T. pseudomaculata sp. nov.