Poeciloderrhis Stål, 1874

Silva, Leonardo De Oliveira Cardoso Da & Lopes, Sonia Maria, 2020, Three new species of the genus Poeciloderrhis Stål, 1874 from Brazil (Blattodea Blaberidae, Epilamprinae) and neotype designation for Poeciloderrhis imperialis Rocha e Silva & Jurberg, 1978, Zootaxa 4810 (3), pp. 523-530 : 529

Key to species of Poeciloderrhis Stål, 1874

1. Total length less than or equal to 18 mm ............................................ P. minoris Silva & Lopes, 2015

- Total length more than 18 mm .......................................................................... ... 2

2. Pronotum with central dark brown to black mark ( Fig. 24 )...................................................... 3

- Pronotum with pigmentation scattered on surface ( Fig. 4 )...................................................... 8

3. Basal portion of discoidal and anal fields of tegmen covered more than 40% with dark-brown pigmentation ( Fig. 32)........................................................................ P. imperialis Rocha e Silva & Jurberg, 1978

- Basal portion of discoidal and anal fields of tegmen covered less than 30% with dark-brown pigmentation ( Fig. 22 )........ 4

4. Abdomen with base of tergite II with dark brown, hook-shaped projection (see Fig. 52 in Roth, 1970)............................................................................................ … P. verticalis (Burmeister, 1838)

- Abdomen with base of tergite II bearing projection of mount, cavity or a pendulum shape (see Figs. 4 , 20 , 30 , 40 in Silva & Lopes 2015, Figs 23 , 43, 53 in Silva & Lopes 2018)…........................................................ 5

5. Head with region underneath ocelli black (see Fig. 5 in Silva & Lopes 2018); second abdominal tergite with median part bearing two elevations (see Fig. 7 in Silva & Lopes 2018)…...................................................... 6

- Head with region underneath ocelli light brown to brown (see Fig. 31 in Silva & Lopes 2018), second abdominal tergite bearing only one elevation (see Fig. 43 in Roth, 1970).............................................................… 7

6. Head with entire region of clypeus brown (see Fig. 5 in Silva & Lopes 2018); length of tegmina more than 35 mm …................................................................................ P. aureolatus Silva & Lopes, 2018

- Head with apical region of clypeus light brown ( Fig. 23 ); length of tegmina less than 28 mm ......................... 19

7. Male genitalia with rounded preapical extension of median sclerite (see Fig. 23 in Roth 1970)...................................................................................................... P. atriventris (Saussure, 1895)

- Male genitalia without preapical extension of median sclerite (see Fig. 13 in Lopes & Oliveira 2006)......................................................................................... .. P. paulistensis Lopes & Oliveira, 2006

8. Head vertex with four brown marks (see Fig. 15 in Silva & Lopes 2018) ........................................... 9

- Head vertex with fewer than four brown marks (see Fig. 31 in Silva & Lopes 2018)................................. 12

9. Head sub-ocular region without pigmentation; tegmina not reaching apical third of abdomen (see Fig. 41 in Roth 1970).................................................................................. P. catharina (Shelford, 1910)

- Head sub-ocular region with dark brown to black pigmentation; tegmina surpassing apical third of the abdomen (see Fig. 2 )... .................................................................................................. 10

10. Abdomen with tergite III bearing basal hump (see Fig. 40 in Silva & Lopes 2015)…...... P. tijucana Silva and Lopes, 2015

- Abdomen without basal hump on tergite III................................................................. 11

11. Male genitalia with shaft of median sclerite straight (see Fig. 57 in Silva & Lopes 2018)….................................................................................................... P. vanzolinii Silva and Lopes, 2018

- Male genitalia with shaft of median sclerite sinuous (see Fig. 24 in Silva & Lopes 2015)…..................................................................................................... P. caracensis Silva & Lopes, 2015

12. In ventral view, right style slightly shorter than left style (see Fig. 35 from Silva & Lopes 2018)…........................................................................................... P. diamantinense Silva & Lopes, 2018

- In ventral view, right style less than half the length of the left style ( Fig. 7 )........................................ 13

13. Tegmen not reaching apex of abdomen…..................................... P. boraceiana Lopes & Oliveira, 2006

- Tegmen reaching apex of abdomen ........................................................................14

14. Cerci not reaching apex of supra-anal plate (see Fig. 41 in Roth 1970)…......... P. santosi (Rocha e Silva & Lopes, 1976)

- Cerci reaching apex of supra-anal plate ( Fig. 26 )......................................................... …15

15. Base of tergite II bearing a cavity followed by a pendulum-shaped structure (see Fig. 4 in Silva & Lopes 2015)….......................................................................... P. ferruginea (Brunner von Wattenwyl, 1865)

- Base of tergite II without cavities ( Fig. 25 )..................................................................16

16. Genitalia with apex of median sclerite clavate ( Fig. 10 )........................................................17

- Genitalia with apex of median sclerite tapering ( Fig. 20 ) .......................................................18

17. Marginal field of tegmina with intense pigmentation ( Fig. 2 )…................................... P.angelus sp. nov.

- Marginal field of tegmina without intense pigmentation (see Fig. 60 in Silva & Lopes 2018)…............................................................................................... P. penduloides Silva and Lopes, 2018

18. General coloration dark-brown ( Fig. 12 )................................................ P. mangaratibensis sp. nov.

- General coloration light-brown (see Fig. 40 in Silva & Lopes 2018)…................ P. itatiaiensis Silva & Lopes, 2018

19. Median sclerite with preapical lateral projection (see Fig. 28 in Silva & Lopes 2018)…............................................................................................... P. mediansclerostylatus Silva & Lopes, 2018

- Median sclerite without preapical lateral projection ( Fig.30 )…............................... P. marombensis sp. nov.

Figures

FIGURES 22‒31. Poeciloderrhis marombensis sp. nov. holotype ♂. 22—Habitus; 23—Head, ventral view; 24—Pronotum, dorsal view; 25—Tergal modification of first and second abdominal segments; 26—Supra-anal plate, dorsal view; 27—Sub- genital plate, ventral view; 28—Left phallomere, dorsal view; 29, 30—Median sclerite; 31—Right phallomere, dorsal view.

FIGURES 2‒11. Poeciloderrhis angelus sp. nov. holotype ♂. 2—Habitus; 3—Head, ventral view; 4—Pronotum, dorsal view; 5—Tergal modification of first and second abdominal segments; 6—Supra-anal plate, dorsal view; 7—Subgenital plate, ventral view; 8—Left phallomere, dorsal view; 9, 10—Median sclerite; 11—Right phallomere, dorsal view.

FIGURES 12‒21. Poeciloderrhis mangaratibensis sp. nov. holotype ♂. 12—Habitus; 13—Head, ventral view; 14—Pronotum, dorsal view; 15—Tergal modification of first and second abdominal segments; 16—Supra-anal plate, dorsal view; 17—Sub- genital plate, ventral view; 18—Left phallomere, dorsal view; 19, 20—Median sclerite; 21—Right phallomere, dorsal view.