@article {50717, title = {THE INFLUENCE OF FIRE ON SALTATORIA DIVERSITY IN COASTAL HABITATS NEAR PANGANI, TANZANIA (EAST AFRICA)}, journal = {Ecotropica}, volume = {11}, year = {2005}, pages = {53-61}, chapter = {53}, abstract = {

In burnt coastal grasslands, fire-disturbed forest remnants, and undisturbed coastal forests of the Pangani area (Tanzania) 61 Saltatoria species were recorded. Comparing open-land habitats with forest and forest edge habitats, diver- sity rises in open-land habitats, as nearly 60\% of the recorded species were found within grasslands. However, the share of endemic and near-endemic species decreases, as only 5\% of the species occurring in open-land habitats were endemics, 14\% are distributed throughout East Africa, and the majority (81\%) are widespread forms. Forest and forest edge habitats, on the other hand, had 60\% endemic species, 32\% species restricted to East Africa, and only 8\% widespread Saltatoria. The majority of the coastal endemics are highly endangered by the ongoing destruction of indigenous forest. Tangana asymmetrica was one of the few coastal endemics that also occurred in fire-influenced forest remnants, while most other forest species were exclusively found in closed undisturbed forest communities of the Gendagenda forest reserve. The new record of Parepistaurus pygmaeus in the Gendagenda reserve offers an explanation of the hitherto disjunct distribution of this flightless species.

}, keywords = {biodiversity, conservation, endemism, fire influence, indigenous tropical lowland forest, Orthoptera, Saltatoria, Tanzania, tropical coastal grasslands}, author = {Claudia Hemp} } @article {50695, title = {A new genus of African Acrometopini (Tettigoniidae: Phaneropterinae) based on morphology, chromosomes, acoustics, distribution, and molecular data, and the description of a new species}, journal = {Zoological Journal of the Linnean Society}, volume = {158}, year = {2010}, month = {Jan-01-2010}, pages = {66 - 82}, abstract = {

A new genus, Altihoratosphaga, is erected for species formerly assigned to Horatosphaga Schaum, 1853, and a new species is described. Four species are included in Altihoratosphaga: Altihoratosphaga nomima (Karsch, 1896), Altihoratosphaga montivaga (Sj\östedt, 1909), Altihoratosphaga nou (Hemp, 2007) and Altihoratosphaga hanangensis sp. nov. All four species are restricted to Tanzanian localities, and, except for A. nomima, for which no ecological data are available, are confined to montane forest habitats. Data on ecology, acoustics, chromosomes, and molecular relationships are provided, as well as a key to Altihoratosphaga species. The present-day distribution of Altihoratosphaga species suggests former migration events at times when wetter and colder climatic fluctuations favoured connections between montane forest communities, which today are isolated, enabling flightless taxa such as Altihoratosphaga and Monticolaria to spread.

}, keywords = {Altihoratosphaga, bush crickets, Horatosphaga, montane forest, speciation, Tanzania}, issn = {00244082}, doi = {10.1111/zoj.2010.158.issue-110.1111/j.1096-3642.2009.00542.x}, url = {http://blackwell-synergy.com/doi/abs/10.1111/zoj.2010.158.issue-1https://academic.oup.com/zoolinnean/article-lookup/doi/10.1111/j.1096-3642.2009.00542.x}, author = {Claudia Hemp and Kjetil Lysne Voje and Klaus-Gerhard Heller and Warcha{\l}owska-{\'S}liwa, El{\.z}bieta and Hemp, Andreas} } @article {47344, title = {Review of the Plangia graminea (Serville) complex and the description of new Plangia species from East Africa (Orthoptera: Phaneropteridae, Phaneropterinae) with data on habitat, bioacoustics, and chromosomes}, journal = {Organisms Diversity \& Evolution}, volume = {15}, year = {2015}, month = {Jan-09-2015}, pages = {471 - 488}, abstract = {

The Plangia graminea complex is partly reviewed and two new species of Plangia are described, Plangia multimaculata n. sp. from savanna habitats and Plangia satiscaerulea n. sp. from the submontane zones in northern Tanzania. Plangia compressa (Walker 1869) is synonymized with P. graminea (Serville, 1838). Data on habitat, bioacoustics, and chromosomes are provided. Both analyzed Plangia species showed the same chromosomal number. Compared to other investigated African Phaneropterinae, Plangia had a reduced chromosome number and thus shows a derived condition in its genome. The sex chromosomes differed morphologically in both investigated species of Plangia suggesting different mechanisms leading to these differences. Niche specialization and the male calling song are discussed as drivers for speciation in fully alate and thus mobile taxa.

}, keywords = {bioacoustics, chromosomes, Eastern Arc Mountains, Mount Kilimanjaro, new species, speciation, Tanzania}, issn = {1439-6092}, doi = {10.1007/s13127-015-0216-8}, url = {http://link.springer.com/10.1007/s13127-015-0216-8}, author = {Claudia Hemp and Klaus-Gerhard Heller and Warcha{\l}owska-{\'S}liwa, El{\.z}bieta and Grzywacz, Beata and Hemp, Andreas} } @article {47334, title = {Biogeography, ecology, acoustics and chromosomes of East African Eurycorypha St{\r a}l species (Orthoptera, Phaneropterinae) with the description of new species}, journal = {Organisms Diversity \& Evolution}, volume = {13}, year = {2013}, month = {Jan-09-2013}, pages = {373 - 395}, abstract = {

Although Eurycorypha is the most species-rich Phaneropterinae genus in Africa, little is known about the distribution and the ecology of the species. In this study data on distribution, ecology, song and on chromosomes of some East African species are provided. The nymphs of some species are shown, famous for their ant-like appearance and behaviour. The male of E. punctipennis Chopard and three species of Eurycorypha are newly described. These are E. resonans n. sp. and E. combretoides n. sp. occurring in different habitats on Mount Kilimanjaro, and E. conclusa n. sp from forest habitats along the Tanzanian coast. Bioacoustically, the four recorded species are unusually divers, presenting non-resonant and resonant songs. As four Eurycorypha species occur syntopically on geological young Mount Kilimanjaro, the biogeographical pattern and possible speciation mechanisms in the genus Eurycorypha are discussed in context of the climatical history of eastern Africa.

}, keywords = {bioacoustics, Biogeography, chromosomes, ecology, Mount Kilimanjaro, new species, Orthoptera, Phaneropterinae, speciation, Tanzania}, issn = {1439-6092}, doi = {10.1007/s13127-012-0123-1}, url = {http://link.springer.com/10.1007/s13127-012-0123-1}, author = {Claudia Hemp and Klaus-Gerhard Heller and Warcha{\l}owska-{\'S}liwa, El{\.z}bieta and Grzywacz, Beata and Hemp, Andreas} }