Download Dragonflies and Damelflies of South Africa (Pensoft Series by Michael J. Samways PDF

By Michael J. Samways

Dragonflies are a gorgeous, vital and conspicuous component to freshwater, no matter if nonetheless or flowing. also they are vital signs of freshwater caliber and situation, that's major for present and destiny conservation tasks in South Africa. The country's dragonflies are rather fascinating as many are targeted or endemic to the world, making it part of the realm of serious conservation importance. unfortunately in spite of the fact that, a lot of those endemic species are hugely threatened, specially through invasive alien bushes which coloration out their habitat. This booklet is set this intriguing dragonfly fauna. along with aiming at expanding expertise of those stunning and delicate bugs, it permits their identity, utilizing numerous ways, from uncomplicated flick-through to using entire id keys.Each species is additionally given a Dragonfly Biotic Index, protecting a spectrum from the most typical, common and tolerant species via to the main threatened, infrequent and delicate ones.Michael Samways is Professor and Chair of the dept of Conservation Ecology and Entomology, Stellenbosch collage. he's a Fellow of the Royal Society of South Africa and a Fellow of the collage of KwaZulu-Natal. He has released 260 clinical papers and written numerous books on insect biology and conservation, the latest of that is Insect variety Conservation, Cambridge collage Press. He has received a number of awards, and within the final years, those contain the Stellenbosch collage Rector's Award for learn Excellence, the toilet Herschel Medal from the Royal Society of South Africa, and the Senior Captain Scott Medal from the South African Academy for technology and artwork. Michael is on numerous overseas editorial forums and concerned with quite a few overseas committees dedicated to invertebrate conservation. certainly, his study group is devoted to the conservation of invertebrates and different biodiversity, which so increase our planet.

Show description

Read or Download Dragonflies and Damelflies of South Africa (Pensoft Series Faunistica) PDF

Similar entomology books

The Bees of the World

We actually were not as delighted approximately this publication as we notion we might. would not spend that sort of cash in this booklet if we had previewed it first.

Simon & Schuster's Guide to Insects (Fireside Book)

No matter if you're a beginner or skilled collector, pupil, farmer, or weekend gardener, you'll find Simon & Schuster's advisor to bugs a hugely authoritative, startlingly appealing box consultant to 350 insect species normally came across all through North the USA. The creation to the textual content explains the anatomy and behaviors of those amazingly varied creatures, in addition to the simplest, best demeanour within which to maintain and mount your insect assortment.

A Master of Science History: Essays in Honor of Charles Coulston Gillispie

New essays in technological know-how historical past ranging around the complete box and comparable in such a lot example to the works of Charles Gillispie, one of many field's founders.

Honey bee colony health : challenges and sustainable solutions

Content material: Honey bee well-being: the aptitude function of microbes -- Seasonal microflora, in particular iciness and spring -- assessment of Varroa mite tolerance in honey bees -- prestige of breeding practices and genetic range in household U. S. honey bees -- international prestige of honey bee mites -- demanding situations for constructing biopesticides opposed to Varroa -- Molecular forensics for honey bee colonies -- Honey bee viruses and their impact on bee and colony future health -- PCR for the research of Nosema in honey bees -- Nosema ceranae detection via microscopy and antibody exams -- Chalkbrood re-examined -- serious transition temperature (CTT) of chalkbrood fungi and its importance for illness occurrence -- Small hive beetle (Aethina tumida) contributions to colony losses -- insecticides and honey bee toxicity within the usa -- mobile reaction in honey bees to non-pathogenic results of insecticides -- variations between fungicides focusing on the important fungi linked to honey bee colonies -- Fungicides decrease symbiotic fungi in bee bread and the helpful fungi in colonies -- Interactions among threat components in honey bees -- knowing the influence of honey bee issues on crop pollination -- Calculating and reporting controlled honey bee colony losses -- Conservation of plant-pollinator mutualisms.

Additional info for Dragonflies and Damelflies of South Africa (Pensoft Series Faunistica)

Sample text

Wide savanna rivers with trees. Localised in the Kruger National Park. 203 - Medium sized. Deep reddish brown with bright red abdomen, with a black stripe running its length. Vagrant at Kosi Bay. 202 - Very small to small. All bright red, with black ladder along abdomen. Localised at pools in low-lying, hot areas. 168 - Small to medium sized. Red head and thorax, but yellow and black abdomen, and orange patches at bases of wings. Shallow pools in hot areas. 199 - Medium sized. Stout, bright red with large dark red spiky basal patch on hindwing.

Hot coastal swamp forest. Rare. 200 - Medium sized. Blackish hindwing patches. Striking dark blue and black body. Pools in hot areas. 161 - Very small. Brown and yellow wing splashes. Body brown and powdery blue. Common at marshy edges of rivers. 165 - Small. Forewing usually with blackish streak with smoky extensions. Pterostigmas black and white. Pale blue, slender body. Common in marshes in hot areas. 160 - Small. Blackish streak and spot on forewing. Body pale blue with black tip. Localised in marshy pools in hot savanna.

L. in N of Drakensberg. C. draconicus distinguished from clear-winged C. fasciatus by its finelymarked, yellow 'V' on thorax, and fine yellow spots between wing bases (green, brown, black with pruinescence in C. fasciatus). C. draconicus has a fine, dorsal yellow line along abdomen, which C. fasciatus does not. These two species can be confused, so it is essential to compare appendages. The superior appendages in side view are almost straight in C. draconicus but distinctly downcurved in C. fasciatus.

Download PDF sample

Rated 4.38 of 5 – based on 14 votes