Poeciloderrhis, Stal, 1874

Silva, Leonardo de Oliveira Cardoso da & Lopes, Sonia Maria, 2018, Six new species of Poeciloderrhis from Brazil (Blattaria: Blaberidae) with a new record and a new combination, Zoologia (e 12483) 35, pp. 1-10 : 9

Key to males of Poeciloderrhis

1 Total length less than or equal to 19 mm .......................... ............................................ P. minoris Silva & Lopes, 2015

1’ Total length more than 19 mm ....................................... 2

2 Pronotum with a central dark brown to black mark ....... 3

2’ Pronotum with pigmentation scattered on surface......... 8

3 Basal portion of discoidal and anal fields of tegmen covered more than 40% with black pigmentation.................. ......................... P. imperialis Rocha e Silva & Jurberg, 1978

3’ Basal portion of discoidal and anal fields of tegmen covered less than 30% with dark brown pigmentation ........ 4

4 The base of abdominal tergite II with dark brown hookshaped projection............... P. verticalis (Burmeister, 1838)

4’ The base of abdominal tergite II bearing humps, cavity or pendulum ......................................................................... 5

5 Head with region underneath ocelli black; second abdominal tergite with middle part presenting two humps ...... 6

5’ Head with region underneath ocelli light brown to brown; second abdominal tergite with middle part presenting only one hump, or a cavity, a pendulum or a transversal elevation or a longitudinal elevation............................... 7

6 Head with median region of clypeus brown; length of tegmen bigger than 35 mm ................... P. aureolatus sp. nov.

6’ Head with median region of clypeus light brown; length of tegmen smaller than 28 mm ......................................... ............................................ P. mediansclerostylatus sp. nov.

7 Male genitalia with rounded pre-apical extension of median sclerite .......................... P. atriventris (Saussure, 1895)

7’ Male genitalia without pre-apical extension of median sclerite...................... P. paulistensis Lopes & Oliveira, 2006

8 Head with vertex with four brown marks........................ 9

8’ Head with vertex with fewer than four brown marks ... 12

9 Head with sub-ocular region without dark brown to black pigmentation; tegmen not reaching the apical third of abdomen ................................... P. catharina (Shelford, 1910)

9’ Head with sub-ocular region with dark brown to black pigmentation, tegmen surpassing the apical third of abdomen ............................................................................ 10

10 Abdomen with tergite III bearing basal hump .................. ........................................... P. tijucana Silva & Lopes, 2015

10’ Abdomen with tergite III without basal hump.............. 11

11 Male genitalia with shaft of median sclerite straight ........ ............................................................ P. vanzolinii sp. nov.

11’ Male genitalia with shaft of median sclerite sinous .......... ......................................... P. caracensis Silva & Lopes, 2015

12 Male genitalia with right style, in ventral view, subequal to half of left style...................... P. diamantinensis sp. nov.

12’ Male genitalia with right style, in ventral view, mesuring less than half of the left style......................................... 13

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

13’ Tegmen reaching the apex of abdomen ........................ 14

14 Cerci not reaching the apex of supra-anal plate................ .............................. P. santosi (Rocha e Silva & Lopes, 1976

14’ Cerci reaching the apex of supra-anal plate .................. 15

15 The base of abdominal of tergite II with a cavity followed by pendulum shape............................................................ ..................... P. ferruginea (Brunner von Wattenwyl, 1865)

15’ The base of abdominal of tergite II without cavities or pendulum ....................................................................... 16

16 Genitalia with apex of median sclerite clavate.................. ......................................................... P. penduloides sp. nov.

16’ Genitalia with apex of median sclerite tapering ............... .......................................................... P. itatiaiensis sp. nov.