1 Many wetland complexes around the world are highly influenced by human activity (chiefly
land conversion for agriculture). Measuring the impact of such activity hinges not only upon …

Some structural characters, such as wing venation, have been used in odonates to
differentiate taxa. In Cordulegaster boltonii, a species widely distributed throughout the …

A synopsis of the Neotropical genus Protoneura is presented, including an identification key
to its 22 species accompanied by illustrations of diagnostic characters, and …

Most species have evolved adaptations to reduce the chances of predation. In many cases,
adaptations to coexist with one predator generate tradeoffs in the ability to live with other …

As degradation of wetlands continues to occur as a result of human activities, it is important
to identify aquatic and amphibious species' extinction risks and the relative hospitalities of …

Cordulegaster sarracenia is described from spring seepages in pitcher plant bogs of
southeast Texas and western Louisiana. It is most closely related to C. sayi of the C …

Playas represent the only natural source of above-ground freshwater in the southern High
Plains of North America; there are> 20,000 such wetlands in the Panhandle of Texas (area …

Chrysobasis is synonymized with Leptobasis. The latter is diagnosed by the combination of
rounded frons, CuP reaching hind margin of wing, CuA relatively short, and supplementary …

Despite a proliferation of regional faunistic treatments throughout North America in recent
years, knowledge of the Odonata fauna of Missouri has lagged behind that of other …

Some structural characters, such as wing venation, have been used in odonates differentiate
taxa. In Cordulegaster boltonii, a species widely distributed throughout the western …