This superb reference, which will be eagerly welcomed by entomologists, presents up-to-date, comprehensive keys to the 125 genera of the Zygoptera in North, Central, and South America. Descriptions, especially diagnostic characters, open the chapters...Daugiau...
As Garrison (California Department of Food and Architecture, US), Ellenreider (National Scientific and Research Council, Argentina), and Louton (Smithsonian Institution, US) note in the preface, taxonomic knowledge of Mexican, Central American, and S...Daugiau...