Dipsadoboa kageleri (UTHMÖLLER, 1939)
Can you confirm these amateur observations of Dipsadoboa kageleri?
|Higher Taxa||Colubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)|
|Common Names||E: Kageler’s Tree Snake|
|Synonym||Dipsadoboa hotamboeia kageleri UTHMÖLLER 1939|
Crotaphopeltis hotamboiea tornieri UTHMÖLLER 1937
Dipsadoboa shrevei kageleri — BROADLEY & HOWELL 1991: 31
Dipsadoboa kageleri — BRANCH et al. 2019
|Distribution||Tanzania (Vicinity of Mount Kilimanjaro)|
Type locality: Sanya, Tanzania, 1350 m elevation.
|Types||Holotype: ZSM 254/1937 (originally private collection W. Uthmöller Nr. 93), adult male|
|Diagnosis||Diagnosis (kageleri): A dry savanna form of Dipsadoboa which is apparently endemic to the Kilimanjaro area and which has the following character combination: dorsals in 17-17-13 rows; ventrals 191 and 195, male and female, respectively; anal divided; subcaudals 72 + x and 76 + x, male and female, respectively; 14 + II + 1 maxillary teeth, color similar to the adult color of the nominate subspecies.|
Dipsadoboa shrevei kageleri inhabits the most xeric habitat of any member of the genus, and also shows a combination of characters that differentiate it from all known Dipsadoboa, and particularly from D. s. shrevei. These include 17-17-13 dorsal scale rows (19-19-15 in D. s. shrevei), lower ventral counts in males (191 vs. 203–210 in D. shrevei) and females (195 vs. 199–210 in D. s. shrevei), lower subcaudal counts in males (72 v 74–91 in D. s. shrevei) and females (68–76 vs. 75–91 in D. s. shrevei; excluding high counts for Mtene females, see below), a divided anal (entire in D. s. shrevei), and possibly size (total length 670 mm vs. 1241 mm in D. s. shrevei). The genetic material available also shows species level divergence from all other Dipsadoboa sampled (Table 2, Fig. 2), notably that it is divergent from typical D. s. shrevei (16.5% for cyt b), and supports the considerable morphological differences between the two taxa (Table 4, Branch et al. 2019).
|Comment||Synonymy: mainly after Rasmussen 1986.|
|Etymology||Named after the owner of the coffee plantation where the type was found, Mr. G. Kageler.|
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