Poeciloderrhis Stal 1874
Creators: name: Silva, Leonardo De Oliveira Cardoso Da
name: Lopes, Sonia Maria
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Blattodea
Blaberidae
Poeciloderrhis

description: 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.
description: Published as part of 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, pp. 523-530 in Zootaxa 4810 (3) on page 529, DOI: 10.11646/zootaxa.4810.3.8, http://zenodo.org/record/3944011