Silvitettix nigriceps (Descamps & Amedegnato, 1970)

Pocco, Martina E. & Cigliano, María Marta, 2020, The grasshoppers (Orthoptera, Acridomorpha) from the Mitaraka Mountain Range, French Guiana, Zoosystema 42 (7), pp. 105-114 : 106-108

Silvitettix nigriceps ( Descamps & Amédégnato, 1970)

( Fig. 1B )

TYPE LOCALITY. — French Guiana.

Acridoidea MacLeay, 1821

Acrididae MacLeay, 1821

I. Acridinae MacLeay, 1821

Metaleptea brevicornis (Johannson, 1763)

II. Copiocerinae Brunner von Wattenwyl, 1893

1. Bucephalacris bucephala (Marschall, 1836)

2. Copiocera cyanoptera Descamps, 1978

3. Copiocera portentosa Descamps & Amédégnato, 1970

4. Copiocera surinamensis Rehn, 1913

5. Copiocerina formosa ( Bruner, 1920)

6. Eumecacris crescentifer Descamps, 1978

7. Monachidium lunum (Johannson, 1763)

8. Opshomala intermedia Bruner, 1920

III. Cyrtacanthacridinae Kirby, 1910

1. Schistocerca americana (Drury, 1773)

2. Schistocerca flavofasciata (De Geer, 1773)

3. Schistocerca nitens nitens (Thunberg, 1815)

4. Schistocerca pallens (Thunberg, 1815) *

IV. Gomphocerinae Fieber, 1853

1. Amblytropidia interior Bruner, 1911

2. Amblytropidia trinitatis Bruner, 1904

3. Orphulella concinnula (Walker, 1870)

4. Orphulella punctata (De Geer, 1773)

5. Orphulina pulchella Giglio-Tos, 1894

6. Rhammatocerus brasiliensis (Bruner, 1904)

7. Rhammatocerus cyanipes (Fabricious, 1775)

8. Rhammatocerus pratensis (Bruner, 1904)

9. Silvitettix nigriceps ( Descamps & Amédégnato, 1970)

V. Leptysminae Brunner von Wattenwyl, 1893

1. Belosacris coccineipes ( Bruner, 1906)

2. Chloropseustes aratayensis ( Descamps, 1978)

3. Chloropseustes aurantiaca ( Descamps, 1977)

4. Chloropseustes guyanensis Descamps & Amédégnato, 1970

5. Chloropseustes nigricans Descamps & Amédégnato, 1970

6. Chloropseustes perlaeta ( Descamps, 1977)

7. Cornops frenatum frenatum (Marschall, 1836)

8. Cornops longipenne (De Geer, 1773)

9. Cornops paraguayens e ( Bruner, 1906)

10. Cylindrotettix insularis insularis Bruner, 1906

11. Leptysma filiformis (Serville, 1838)

12. Leptysma intermedia Bruner, 1911

13. Stenacris fissicauda (Bruner, 1908)

14. Stenacris xanthochlora (Marschall, 1836)

15. Stenopola boliviana (Rehn, 1913)

16. Stenopola dorsalis (Thunberg, 1827)

17. Stenopola nigricans nigricans Roberts & Carbonell, 1979

18. Stenopola puncticeps surinama ( Bruner, 1920)

19. Stenopola rubrifrons rubrifrons Roberts & Carbonell, 1979

20. Tetrataenia surinama (Linnaeus, 1764)

21. Tucayaca biserrata Roberts, 1977

VI. Marelliinae Eades, 2000

Marellia remipes Uvarov, 1929

VII. Melanoplinae Scudder, 1897

Baeacris maquiritare (Carbonell & Ronderos, 1973)

VIII. Ommatolampidinae Brunner von Wattenwyl, 1893

1. Abracris dilecta Walker, 1870

2. Abracris flavolineata (De Geer, 1773) .

3. Acridocryptus pusillus Descamps, 1976

4. Adelacris atrocephala (Bruner, 1908)

5. Amblyxypha vittata (Walker, 1870)

6. Anablysis arboricola ( Descamps, 1978)

7. Anablysis teres Giglio-Tos, 1898

8. Ananotacris abditicolor Descamps, 1978

9. Aptoceras margaritatus Bruner, 1908

10. Beoscirtacris maculifemur Descamps, 1977

11. Caloscirtus cardinalis (Gerstaecker, 1873)

12. Caloscirtus rubripennis Bruner, 1911

13. Clematodina sastrei Amédégnato & Descamps, 1978

14. Episomacris gruneri ( Descamps & Amédégnato, 1970)

15. Eusitalces vittatus Bruner, 1911

16. Hylescirtacris calamitosa Descamps, 1978 17. Liebermannacris dorsualis (Giglio-Tos, 1898)

18. Odontonotacris mimetica Descamps, 1978

19. Ommatolampis perspicillata (Johannson, 1763)

20. Oyampiacris nemorensis Descamps, 1977

21. Pseudanniceris guyanensis Descamps, 1977

22. Pseudhypsipages silvester Descamps, 1977

23. Psiloscirtus olivaceus Bruner, 1911

24. Rhabdoscirtus vittatus Bruner, 1911

25. Sciponacris trichilae Descamps, 1978

26. Sitalces surinamensis Descamps & Amédégnato, 1970

27. Syntomacrella guyanensis bicoloripes ( Descamps & Amédégnato, 1970)

28. Syntomacrella guyanensis guyanensis ( Descamps & Amedegnato, 1970)

29. Syntomacrella guyanensis lutea ( Descamps & Amédégnato, 1970)

30. Syntomacrella guyanensis obscura Descamps, 1978

31. Syntomacris arboricola Descamps, 1977

32. Syntomacris nigripes Descamps, 1978

33. Vilerna aeneooculata (De Geer, 1773)

34. Xiphiola cyanoptera (Gerstaecker, 1889)

IX. Pauliniinae Hebard, 1923

1. Paulinia acuminata (De Geer, 1773)

X. Proctolabinae Amédégnato, 1974

1. Adelotettix caeruleipennis Bruner, 1920

2. Adelotettix inornatus Descamps, 1978

3. Coscineuta marginalis (Walker, 1870)

4. Cryptocloeus fuscipennis (Bruner, 1911)

5. Cryptocloeus spatulicerca Descamps, 1980

6. Dendrophilacris boulardi Descamps, 1979

7. Dorstacris rubripennis Descamps, 1978

8. Eucephalacris elongata Descamps, 1977

9. Eucephalacris spatulicerca ( Descamps & Amédégnato, 1970)

10. Halticacris guyanensis Descamps, 1977

11. Pareucephalacris uniformis Descamps, 1976

12. Poecilocloeus rubripes Descamps & Amédégnato, 1970

13. Ypsophilacris viduata ( Descamps, 1977)

Ommexechidae Bolívar, 1884

XI. Ommexechinae Bolívar, 1884

1. Descampsacris serrulatum (Thumberg, 1824)

2. Ommexecha walkeri Kevan, 1959

Romaleidae Pictet & Saussure, 1887

XII. Bactrophorinae Amédégnato, 1974

1. Adrolampis insolens Descamps, 1977

2. Adrolampis vittagenae (Bruner, 1907)

3. Bactrophora dominans Westwood, 1842

4. Chromolampis nigromaculata ( Descamps & Amédégnato, 1970)

5. Chromolampis ornatipes (Bruner, 1907)

6. Euprepacris charpentieri ( Descamps & Amédégnato, 1970) 7. Habrolampis nemorensis ( Descamps, 1978)

8. Hylephilacris magnicornis Descamps, 1978

9. Ophthalmolampis colibri (Saussure, 1859)

10. Ophthalmolampis oyampi Descamps, 1977

11. Ophthalmolampis placita albosignata Descamps 1978

12. Ophthalmolampis placita placita Descamps, 1977

13. Othnacris surdaster Descamps, 1977

14. Poecilolampis saltatrix Descamps, 1978

15. Pseudonautia guyanensis Descamps, 1978

16. Xenonautia concinna Descamps, 1977

XIII. Romaleinae Pictet & Saussure, 1887

1. Aeolacris caternaultii (Feisthamel, 1837)

2. Aprionacris fissicauda Descamps, 1978

3. Chariacris dulcis Walker, 1870

4. Colpolopha obsoleta (Serville, 1831)

5. Eurostacris corporosa Descamps, 1978

6. Maculiparia emarginata (Stål, 1878)

7. Maculiparia guyanensis Carbonell, 2002

8. Maculiparia havilandae (Uvarov, 1925)

9. Maculiparia immaculata (Bruner, 1907)

10. Phaeoparia lineaalba lineaalba (Linnaeus, 1764)

11. Prionacris rubripennis Descamps, 1978

12. Prionacris viridipennis Descamps, 1978

13. Prionolopha serrata (Linnaeus, 1758)

14. Procolpia emarginata (Serville, 1831)

15. Titanacris albipes (De Geer, 1773)

16. Titanacris olfersii (Burmeister, 1838)

17. Titanacris picticrus picticrus ( Descamps, 1978) 18. Tropidacris collaris (Stoll, 1813)

19. Tropidacris cristata dux (Drury, 1773)

20. Trybliophorus octomaculatus Serville, 1831 21. Trybliophorus sulcatus Descamps, 1981 *

22. Xomacris cryptica Amédégnato & Poulain, 1986

23. Xyleus discoideus rosulentus (Stål, 1878)

Eumastacoidea Burr, 1899

Eumastacidae Burr, 1899

XIV. Eumastacinae Burr, 1899

1. Eumastax dorsti Descamps, 1977

2. Eumastax tenuis (Perty, 1832)

3. Hysteromastax surinama (Burr, 1899)

XV. Temnomastacinae Rehn & Grant, 1958

1. Arawakella gasci Descamps, 1977

2. Eumastacops parishi Rehn & Rehn, 1942

3. Maripa balachowskyi Descamps & Amédégnato, 1970

4. Maripa sastrei Descamps, 1977

Proscopioidea Serville, 1838

Proscopiidae Serville, 1838

XVI. Proscopiinae Serville, 1838

1. Proscopia heteropoda (Stoll, 1813)

2. Pseudoproscopia scabra (Klug, 1820)

Pyrgomorphoidea Brunner von Wattenwyl, 1874

Pyrgomorphidae Brunner von Wattenwyl, 1874 XVII. Pyrgomorphinae Brunner von Wattenwyl, 1874

1. Omura congrua Walker, 1870

MATERIAL EXAMINED. — French Guiana • 1 ♂; Tumuc-Humac, Mitaraka : “ Savane Roche ”; 2°14’19.3”N, 54°26’04.9”W; 390 m a.s.l.; MNHN • 1 ♂; “(C1000) – (Savane roche)”; 2°14’01.2”N, 54°26’30.8”W; 415 m a.s.l. to 2°14’19.2”N, 54°26’04.6”W; 390 m a.s.l.; Legendre F. & Hugel S. leg.; 23.II-3.X.2015; night. La Planète Revisitée – MNHN / PNI Guyane 2015 ( APA 973 -1); MNHN • 1 ♂; same data as for preceding; MLP • 1 ♂, 1 ♀; “vers sommet en Cloche”; 2°14’05.6”N, 54°27’14.8”W; 370 m a.s.l. to 2°13’58.4”N, 54°27’52.6”W; 470 m a.s.l.; Legendre F. & Hugel S. leg.; 23.II-3.X.2015; night; La Planète Revisitée – MNHN /PNI Guyane 2015 ( APA 973 -1); MLP .

DISTRIBUTION. — As for most of species of the genus Silvitettix Bruner, 1904 the distribution range is reduced and it is known to occur in the forests of French Guiana and Guyana ( Otte & Jago 1979).

Figures

FIG. 1. — A, Schistocerca pallens (Thunberg, 1815); B, Silvitettix nigriceps (Descamps & Amédégnato, 1970); C, Stenopola boliviana (Rehn, 1913); D, S. dorsalis (Thunberg, 1827); E, S. rubrifrons rubrifrons Roberts & Carbonell, 1979; F, Cylindrotettix insularis insularis Bruner, 1906; G, Abracris flavolineata (De Geer, 1773); H, Psiloscirtus sp. Photos: Sylvain Hugel.