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2013-06-11 René Navarro 
OdonataMAP Batch 6 Identified

Palpopleura lucia by A. Manson (record 4539)
Palpopleura lucia by A. Manson, 4539
Warwick Tarboton is OdonataMAP's expert and he has identified another batch of records. Here is his report:

"There were 691 records in batch 6 : one was an ant-lion, 10 were from north Africa (Sudan etc) and I didn't venture into their identification, 87 were only identifiable to genus level, not species, and the remaining records, 593 of them, comprise 72 species. Two of these, Yellow Presba, photographed by Alan Manson at the Groot River bridge near Nature's Valley, and Gracious Whisp, photographed in KZN by Rob Dickinson, are new species to the collection, and there are other nice records of several elusive or scarce dragonflies like Evening Hawker (photographed by Rob again and Dawie de Swardt, both in KZN) and FitzSimon's Jewel (by Sharon Stanton). The most frequently photographed species were, as usual, Red-veined Dropwing and Broad Scarlet, both of these now showing for the first time distributions that extend deep into the central Karoo; also high on the list were Julia and Two-striped Skimmer and Navy Dropwing.
Overall about 11% of the photographs submitted can't be identified to species level because a detailed view of the creatures appendages or secondary genitalia are needed, so many potential records are not getting identified beyond the level of Orthetrum sp, Trithemis species, etc. A couple of photographers are now catching awkward species like these and using a macro-lens to show this detail sufficiently to identify them - look for example at John Wilkinson's Strong Skimmer (3953) and Acacia Sprite (4549) records. Chris Willis continues to top the charts with the most records submitted (1300 records comprising 76 species) with Alan Manson close behind (1096 records and 89 species). Watch out, dragonfly twitching has got underway in South Africa!"
 
2013-04-16 Megan Loftie-Eaton 
Sappi Tree Tuesday – we are featuring the African Wattle

Sappi Tree Tuesday African Wattle

Hooray! Today is Sappi TREE TUESDAY!!! And we are featuring the African Wattle Peltophorum africanum tree. Peltophorum africanum is one of South Africa's most wonderful flowering indigenous trees. With its dense, spreading, rounded crown and showy golden yellow flowers the African Wattle is a great tree to plant in dry or windy areas. The spectacular flowers of this hardy tree provide a high yield of pollen and nectar which is perfect for bee keeping. One of the common names for this charming tree, 'Weeping wattle,' refers to the moisture that drips from the branches before the first rains. This is caused by nymphs or small frog hoppers called spittle bugs that suck sap from the trees which they excrete as almost pure water. Butterflies, bees and birds are all attracted to this tree which provides them with food and shelter, especially in urban settings. The bright yellow flowers with crinkled petals appear at the ends of the branches in showy upright sprays from November to February.

 
2013-04-07 Megan Loftie-Eaton 
Snake Sunday! – Black-headed Centipede Eater

Black-headed Centipede Eater ReptileMAP 3872

Black-headed Centipede Eater ReptileMAP distributionHappy Snake Sunday! The Black-headed Centipede Eater Aparallactus capensis can be identified by its distinctive black head and collar, its small thin body and strictly nocturnal lifestyle. It grows to an average length of 30 cm and a maximum length of 40 cm. The Black-headed Centipede Eater is found throughout the eastern half of South Africa (as well as throughout Lesotho and Swaziland), as shown on the ReptileMAP distribution map. It is also present in southern and central Mozambique, Zimbabwe and eastern Botswana. It favours the following habitats: moist savanna, lowland forest and grassland where it is typically found in termite mounds.

Although venomous, it is not thought to be dangerous to man and due to the small size of its teeth it is unable to pierce the skin when biting.

This photo is Record 3872 in the ReptileMAP Virtual Museum. This Virtual Museum currently contains 8255 georeferenced photographs of reptiles; together with 126 584 specimen records going back more than a century, it is the most complete electronic database of reptiles records. This is the database that can be used to examine the distributions of species and how they are changing. Every record is a valuable contribution, and helps us build the 21st century distributions of these species. Without up to date information on distributions and how they are changing, it is near-impossible to know which species need conservation interventions, and how to prioritize these.

So please continue to upload your photographs of reptiles to the ADU's ReptileMAP Virtual Museum at vmus.adu.org.za.

Reference: Marais, J. 2004. A Complete Guide to Snakes of Southern Africa. Struik Publishing, Cape Town.

 

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Department of Biological Sciences - University of Cape Town

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