Metamorphosis Metamorphosis
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METAMORPHOSIS JOURNAL OF THE LEPIDOPTERISTS' SOCIETY OF AFRICA Volume 22 NumberNumber 22 •• JuneJune 20112011 •• www.lepsoc.org.zawww.lepsoc.org.za ISSN 1018 6490 ISSN 1018 6490 LEPIDOPTERISTS' SOCIETY OF AFRICA LEPIDOPTERISTS' SOCIETY OF AFRICA www.lepsoc.org.za www.lepsoc.org.za ELECTED COUNCILLORS EDITORIAL POLICY píÉîÉ=t ççÇÜ~ää mêÉëáÇÉåí ëíÉîÉKïççÇÜ~ää]ëçëKÅçKò~ j~êíáå=hêćÖÉê pÅáÉåíáÑáÅ=^Çîáëçê=C=gçìêå~ä=bÇáíçê= âêìÖÉê]ÇáíëçåÖKçêÖKò~ a~îÉ=bÇÖÉ qêÉ~ëìêÉê Ç~îÉÉÇÖÉ]ñåÉíëKÅçKò~ j~åìëÅêáéíë =ÇÉ~äáåÖ=ïáíÜ=~åó=~ëéÉÅí=çÑ=íÜÉ=ëíìÇó=çÑ=^ÑêçíêçéáÅ~ä=iÉéáÇçéíÉê~=ïáää=ÄÉ=ÅçåëáÇÉêÉÇK _ÉååáÉ=`çÉíòÉê p^_`^ =mêçàÉÅí= ÄÉååáÉ]åÉìíÉÇçéKÅçKò~ ============ ^åÇêÝ=`çÉíòÉê a~í~=mêçÅÉëëáåÖ=L=tÉÄã~ëíÉê= ~åÇêÉ]åÉìíÉÇçéKÅçKò~ j~åìëÅêáéíë=åçí=ÅçåÑçêãáåÖ=íç=íÜÉ=áåëíêìÅíáçåë=ÄÉäçï=ã~ó=ÄÉ=êÉàÉÅíÉÇ=~åÇ=êÉíìêåÉÇ=íç=íÜÉ= dê~Ü~ã=eÉååáåÖ `çåëÉêî~íáçå= ë~ÑëÜÉåå]ãïÉÄKÅçKò~ ~ìíÜçêK=^ää=ã~åìëÅêáéíë=çÑ=ëÅáÉåíáÑáÅ=é~éÉêë=ïáää=ÄÉ=Éî~äì~íÉÇ=Äó=~í=äÉ~ëí=çåÉ=êÉîáÉïÉêK=mêççÑë= a~îÉ=jÅaÉêãçíí bñíÉêå~ä=`çããìåáÅ~íáçåë 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& Ray Murphy ..................................................3 2 The Mulanje Tiger Moth Callioratis grandis Prout, 1922, new status, a critically endangered species from Malaŵi (Lepidoptera: Geometridae: Diptychinae) By Hermann Staude, Julian Bayliss & Pasi Sihvonen ....................... 49 One fine day in the Mulanje Crater By Hermann Staude & Julian Bayliss ............................................... 65 Front cover: Callioratis grandis ♀: H. Staude Back cover: Mulanje Crater: H. Staude 32 METAMORPHOSIS, VOL. 22, No. 2 June 2011 The geometrid fauna (Lepidoptera: Geometridae) of Mount Mulanje, Malaŵi and the importance of Mount Mulanje as an area of conservation priority Hermann Staude12 & Ray Murphy 1 P.O. Box 398, Magaliesburg, 1791, South Africa. E-mail: [email protected] 2 P.O. Box 914, Mzuzu, Malaŵi. E-mail: [email protected] Abstract One hundred and forty-three species of Geometridae occurring in the greater Mount Mulanje area, thirty-one of which probably undescribed, are reported. This is a high number considering that only a few of the available habitats have been surveyed. Mount Mulanje, being a significant climate changing inselberg, probably harbours a high diversity of habitats. It is argued that inselbergs, such as Mount Mulanje, allow for a high diversity of micro-climatic conditions to persist. This in turn allows for the survival of a high diversity of micro-habitats, the communities of each uniquely adapted to different climatic conditions. This makes Mount Mulanje well equipped to survive future climate change and the area should be preserved at all cost. Micro-habitat diversity is often difficult to define. It is shown that Geometridae are excellent indicators of habitat diversity. Introduction The Mount Mulanje massif (15°50ʹ - 16°03ʹS/35°30ʹ - 35°47ʹE) is a granitic inselberg that rises over 2 kms from the surrounding plains, with the highest peak (Sapitwa) reaching 3000 m. It is situated in the south western corner of Malaŵi on the Mozambique border. It is the highest mountain in tropical southernAfrica, and the second highest in southern Africa. The mountain covering an area of approximately 650 km2 is an essential water catchment area with at least 9 rivers originating from the plateau. The Mountain was formed about 130 million years ago. The area was made a Forest Reserve in 1927. It was designated a UNESCO 'Man and the Biosphere Reserve' in 2000 (Mulanje Mountain Conservation Trust, 2005). The following information on the bio-diversity of the mountain is available: 1330 vascular plant species of which about 70 are strict endemics; 180 bird species (1 endemic subspecies, 6 near endemic species); 250 butterflies (8 June 2011 METAMORPHOSIS, VOL.