I agree with Jan Stipala, K. multituberculata are very common in shrubs and trees along roadways. They can also occasionally be found in tea plantations (which for some reason are less intensively farmed in the West Usambaras than in the East Usambaras: in the West there is often space between each tea plant with grass and weeds growing, while in the East the tea plants are tightly packed together) and invasive Eucalyptus trees. In 3 evenings of recreational surveys in Mazumbai forest, I did not see any K. multituberculata in the forest interior, but dozens along road and forest edges.
I've only spent a short time in the West Usambara's (2 or 3 nights) but there were lots in the forests, and they werent that hard to observed. My impression is tha they are more common in the forest than in the transformed landscape. So I would agree they can utlise the forest edges, but given my own observations, plus talking to others who've spend a significant amout of time there, the forest is the primary habitat.
The trade background and status of K. multituberculata is complicated by its taxonomic history. K. multituberculata was only recognized as a full species by CITES in 2010 at CITES CoP15 (CITES 2013b). Prior to this, is was considered a subspecies of K. fischeri, along with K. matschiei, K. uluguruensis, K. vosseleri and true K. fischeri. Strictly speaking, K. multituberculata was first issued an annual CITES export quota in 2013 for 120 captive born individuals from Tanzania (CITES 2013a). Through the first half of 2013, however, K. multituberculata actually represents in excess of 95% of all trade reported as K. fischeri (Anderson, personal observation).
Annual CITES export quotas for K. fischeri between 2000 and 2013 have been fixed to 3,000 wild collected individuals and 10-400 (125-400 between 2000 and 2012) captive born individuals per year from Tanzania (CITES 2013a). CITES Trade Data indicates that between 1977 and 2011 (2012 and 2013 trade data is incomplete or unavailable) a total of 78,801 live individuals were exported from Tanzania for the pet trade (total of all undeclared, captive breeding, personal and commercial exports), of which 1,158 were reported as either captive bred or captive born (UNEP-WCMC 2013). All these individuals were exported from 1985 to 2011, with the captive bred or born individuals having been exported from 1999 to 2011, with the exception of a single export of captive bred individuals in 1995 (UNEP-WCMC 2013). An additional 336 individuals were reportedly exported from Kenya from 1980 to 2011 (6 individuals in 1980, 56 individuals in 2001, and 330 farmed or confiscated individuals in 2011) (UNEP-WCMC 2013). With the exception of those exports from Kenya, in excess of 95% of all this documented trade likely relates to K. multituberculata (Anderson, personal observation).
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