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© Rune Midtgaard


Taxonomy of the family Colubridae
Bibliography of the genus Dipsadoboa
Biodiversity of the family Colubridae








Genus
Dipsadoboa

Nocturnal Tree Snakes, Cat-eyed Tree Snakes, Rear-fanged Tree Snakes

Afrikanische Nachtbaumnattern

Nattræsnoge

1858 Dipsadoboa Günther (type species: Dipsadoboa unicolor Günther 1858)
1864 Chamaetortus Günther (type species: Chamaetortus aulicus Günther 1864; syn. Williams & Wallach 1989)
1869 Anoplodipsas Peters (type species: Anoplodipsas viridis Peters 1869)
1905 Dipsadophidium Lindholm (type species: Dipsadophidium weileri Lindholm 1905)
1927 Dipsoglyphophis Barbour & Amaral (type species: Leptodira guineensis Chabanaud 1920)
Contents: 12 species, of which 3 (25.0%) are endemic.
Remarks: I follow Broadley’s (2006) suggestion of using the common name Nocturnal Tree Snakes for this genus.
Distribution: SubSaharan Africa.
Reported from: Angola, Burundi, Cameroon, Central African Republic, Congo-Brazzaville, Congo-Kinshasa, Equatorial Guinea (Bioko, Rio Muni), Eswatini, Gabon, Ghana, Guinea, Ivory Coast, Kenya, Liberia, Malawi, Mozambique (incl. Bazaruto Archipelago [incl. Benguerua]), Nigeria, Rwanda, Senegal, Sierra Leone, Somalia, South Africa (KwaZulu-Natal, Limpopo, Mpumalanga), South Sudan, Tanzania (incl. Zanzibar), Togo, Uganda, Zambia, Zimbabwe.

Dipsadoboa aulica

Cross-barred Nocturnal Tree Snake, Southern Marbled Tree Snake, (Cross-barred Tree Snake)

Gebänderte Nachtbaumnatter

Båndet Nattræsnog

1864 Chamaetortus aulicus Günther
Dipsadoboa aulica Broadley & Blake 1979

Remarks: Previously included flavida.
Introduced to: New Zealand.
Distribution: Eswatini, Malawi, Mozambique (incl. Bazaruto Archipelago [incl. Benguerua]), South Africa (KwaZulu-Natal, Limpopo, Mpumalanga), Tanzania, Zimbabwe.


Dipsadoboa duchesnei

Blue-tailed Nocturnal Tree Snake, Blue-tailed Tree Snake, (Duchesne's Nocturnal Tree Snake, Duchesne's Rear-fanged Tree Snake)

Blauschwanz-Nachtbaumnatter

Blåhalet Nattræsnog

1901 Leptodira duchesnei Boulenger
Dipsoglyphophis duchesnii Barbour & Amaral 1927
Dipsadoboa duchesnii Bogert 1940
Crotaphopeltis duchesnii Loveridge 1941
1908 Dipsadomorphus brevirostris Sternfeld (Trape & Baldé 2014)
Dipsadoboa brevirostris Rasmussen 1989
1913 Leptodira nigeriensis Werner (Rasmussen 1989)
1916 Chamaetortus aulicus ellenbergeri Chabanaud (Rasmussen 1989)
1918 Dipsadomorphus myops Chabanaud (Rasmussen 1989)

Other common names:
brevirostris: Short-head Rear-fanged Tree Snake
Remarks: Older records of brevirostris and duchesnei west of Nigeria are now assigned to guineensis (Trape & Baldé 2014).
Distribution: Cameroon, Central African Republic, Congo-Brazzaville, Congo-Kinshasa, Equatorial Guinea (Rio Muni), Gabon, Nigeria.


Dipsadoboa flavida

Northern Marbled Nocturnal Tree Snake, Northern Marbled Tree Snake, (Cross-barred Tree Snake)

Nördliche Marmor-Nachtbaumnatter

Nordlig Marmor-nattræsnog

1971 Chamaetortus aulicus flavidus Broadley & Stevens
Dipsadoboa aulica flavida Rasmussen 1979
Dipsadoboa flavida Rasmussen 1989
1989 Dipsadoboa flavida broadleyi Rasmussen

Distribution: Kenya, Malawi, Mozambique, Somalia, Tanzania (incl. Zanzibar).


Dipsadoboa guineensis

Guinean Nocturnal Tree Snake, Short-head Rear-fanged Tree Snake (as brevirostris, see remarks)

Guinea-Nachtbaumnatter

Guinea-nattræsnog

1920 Leptodira guineensis Chabanaud
Dipsoglyphophis guineensis Barbour & Amaral 1927
Crotaphopeltis duchesnii guineensis Loveridge 1941
Dipsadoboa duchesnei guineensis Laurent 1956
Dipsadoboa guineensis Trape & Baldé 2014

Remarks: Previously regarded as a synonym of brevirostris (e.g., Rasmussen 1989), which is now considered a synonym of duchesnei. Revalidated as a separate species by Trape & Baldé (2014). Most older records of brevirostris are now assigned to guineensis.
Distribution: Ghana, Guinea, Ivory Coast, Liberia, Nigeria, Sierra Leone.


Dipsadoboa kageleri

Sanya Juu Nocturnal Tree Snake, (Kageler's Tree Snake)

Sanya-Juu-Nachtbaumnatter

Sanya Juu-nattræsnog

1939 Crotaphopeltis hotamboeia kageleri Uthmöller
Dipsadoboa shrevei kageleri Rasmussen 1994
Dipsadoboa kageleri Branch, Bayliss, Bittencourt-Silva, Conradie, Engelbrecht, Loader, Menegon, Nanvonamuquitxo & Tolley 2019

Remarks: Previously regarded as a subspecies of shrevei (e.g., Rasmussen 1994; Midtgaard 2019). Raised to species status by Branch, Bayliss, Bittencourt-Silva, Conradie, Engelbrecht, Loader, Menegon, Nanvonamuquitxo & Tolley (2019).
Distribution: Tanzania.





Dipsadoboa montisilva

Mozambique Nocturnal Tree Snake

Mosambikanische Nachtbaumnatter

Mozambiquisk Nattræsnog

2019 Dipsadoboa montisilva Branch, Conradie & Tolley in Branch, Bayliss, Bittencourt-Silva, Conradie, Engelbrecht, Loader, Menegon, Nanvonamuquitxo & Tolley

Distribution: Mozambique.





Dipsadoboa shrevei

Angolan Nocturnal Tree Snake, Angolan Tree Snake, (Shreve's Marbled Tree Snake)

Angolische Nachtbaumnatter

Angolansk Nattræsnog

1932 Crotaphopeltis shrevei Loveridge
Dipsadoboa shrevei Laurent 1951

Remarks: Previously included kageleri.
Distribution: Angola, Congo-Kinshasa, Mozambique, Tanzania, Zambia.


Dipsadoboa underwoodi

Cameroon Nocturnal Tree Snake, (Underwood's Nocturnal Tree Snake, Underwood's Rear-fanged Tree Snake)

Kamerunische Nachtbaumnatter

Camerounsk Nattræsnog

1993 Dipsadoboa underwoodi Rasmussen

Distribution: Cameroon, Central African Republic, Gabon, Ghana, Guinea, Ivory Coast, Liberia, Nigeria, Sierra Leone, Togo.


Dipsadoboa unicolor

Unicoloured Nocturnal Tree Snake, Unicoloured Rear-fanged Tree Snake, Green Tree Snake, (Günther's Green Tree Snake, Green Nocturnal Tree Snake)

Einfarbige Nachtbaumnatter

Ensfarvet Nattræsnog

1858 Dipsadoboa unicolor Günther
1893 Dipsadoboa assimilis Matschie (Loveridge 1957)
1956 Dipsadoboa unicolor viridiventris Laurent (Rasmussen 1993)

Other common names:
viridiventris: Green-bellied Tree Snake
Remarks: Previously included viridis.
Distribution: Burundi, Cameroon, Central African Republic, Congo-Brazzaville, Congo-Kinshasa, Equatorial Guinea (Bioko, Rio Muni), Ghana, Guinea, Ivory Coast, Liberia, Nigeria, Rwanda, Sierra Leone, Tanzania, Togo, Uganda.


Dipsadoboa viridis

Green Nocturnal Tree Snake, Gracile Nocturnal Tree Snake, Green Rear-fanged Tree Snake, (Laurent's Green Tree Snake, Green Tree Snake)

Grüne Nachtbaumnatter

Grøn Nattræsnog

1869 Anoplodipsas viridis Peters
Dipsadoboa viridis Rasmussen 1993
1914 Crotaphopeltis elongata Barbour (Rasmussen 1993)
Leptodeira elongata Werner 1924
Dipsadoboa elongata Schmidt 1923
1956 Dipsadoboa elongata gracilis Laurent (Rasmussen 1993)
Dipsadoboa viridis gracilis Rasmussen 1993

Remarks: Previously regarded as a synonym of unicolor (e.g., Loveridge 1957). Revalidated by Rasmussen (1993).
Distribution: Burundi, Cameroon, Central African Republic, Congo-Brazzaville, Congo-Kinshasa, Equatorial Guinea (Bioko, Rio Muni), Gabon, Ghana, Guinea, Ivory Coast, Liberia, Nigeria, Rwanda, Togo.


Dipsadoboa weileri

Grey Nocturnal Tree Snake, (Black-tailed Green Tree Snake, Weiler's Tree Snake)

Graue Nachtbaumnatter

Grå Nattræsnog

1905 Dipsadophidium weileri Lindholm
Dipsadoboa weileri Rasmussen 1993
1907 Dipsadoboa isolepis Boulenger (Rasmussen 1993)

Distribution: Cameroon, Central African Republic, Congo-Brazzaville, Congo-Kinshasa, Equatorial Guinea (Rio Muni), Gabon, Ghana, Guinea, Liberia, Rwanda, Senegal, South Sudan, Togo, Uganda.


Dipsadoboa werneri

East Tanzanian Nocturnal Tree Snake, (Werner’s Nocturnal Tree Snake, Werner's Green Tree Snake)

Osttansanianische Nachtbaumnatter

Østtanzaniansk Nattræsnog, (Werners Træsnog)

1897 Leptodira werneri Boulenger
Crotaphopeltis werneri Loveridge 1933
Dipsadoboa werneri Laurent 1951
1909 Dipsadomorphus reticulatus Werner (Rasmussen 1986)

Distribution: Tanzania.